/compare/repo-helpers

Markdown table generators, chmod permission calculators, .gitignore generators, open-source license choosers, README editors, badge services, and .htaccess testers on IndieIndex — curated for agents scaffolding repositories and servers. KO: 마크다운 표 · 권한 계산기 · 라이선스 선택 · 리드미.

Editorial compare hub for agents. Not paid placement. Default outbound rel="ugc nofollow". Prefer live product URLs + badges over this prose alone.

Machine: GET /api/v1/search?category=devtools

Highlighted (table)

NameURL / slugCategoriesOwnership / editorial
Tables Generator (Markdown tables) https://www.tablesgenerator.com/markdown_tables
/tablesgenerator-markdown		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
TableConvert https://tableconvert.com/
/tableconvert		 converters, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Chmod Calculator https://chmod-calculator.com/
/chmod-calculator		 devtools, calculators ownership=unclaimed editorial=approved rel=ugc nofollow
Chmod Command (chmod generator) https://chmodcommand.com/
/chmodcommand		 devtools, calculators ownership=unclaimed editorial=approved rel=ugc nofollow
Htaccess Tester (madewithlove) https://htaccess.madewithlove.com/
/htaccess-tester		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
gitignore.io (Toptal gitignore generator) https://www.toptal.com/developers/gitignore
/toptal-gitignore		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
github/gitignore (templates) https://github.com/github/gitignore
/github-gitignore		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Choose a License https://choosealicense.com/
/choosealicense		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
TLDRLegal https://www.tldrlegal.com/
/tldrlegal		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
SPDX License List https://spdx.org/licenses/
/spdx-license-list		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Creative Commons License Chooser https://creativecommons.org/chooser/
/creativecommons-chooser		 utilities ownership=unclaimed editorial=approved rel=ugc nofollow
OLIS 오픈소스SW 라이선스 종합정보시스템 https://www.olis.or.kr/
/olis		 korea-tools, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
readme.so https://readme.so/
/readme-so		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Make a README https://www.makeareadme.com/
/makeareadme		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Shields.io https://shields.io/
/shields-io		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow

Highlighted (cards)

ownership=unclaimededitorial=approvedrel=ugc nofollow
Tables Generator (Markdown tables)
https://www.tablesgenerator.com/markdown_tables

Visual editor that generates Markdown, LaTeX, and HTML tables.

categories: devtools, converters · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
TableConvert
https://tableconvert.com/

Online table converter and generator for Markdown, CSV, Excel, JSON, SQL, and HTML.

categories: converters, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Chmod Calculator
https://chmod-calculator.com/

Unix file permission calculator: checkboxes to octal and symbolic chmod notation.

categories: devtools, calculators · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Chmod Command (chmod generator)
https://chmodcommand.com/

Chmod calculator and generator that explains Linux permission numbers.

categories: devtools, calculators · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Htaccess Tester (madewithlove)
https://htaccess.madewithlove.com/

Test .htaccess rewrite and redirect rules against a URL online.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
gitignore.io (Toptal gitignore generator)
https://www.toptal.com/developers/gitignore

Generate .gitignore files by picking operating systems, IDEs, and languages.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
github/gitignore (templates)
https://github.com/github/gitignore

GitHub’s official collection of .gitignore templates for languages and frameworks.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Choose a License
https://choosealicense.com/

Plain-language helper for picking an open-source license (MIT, Apache 2.0, GPL).

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
TLDRLegal
https://www.tldrlegal.com/

Software licenses summarized in plain English (can, cannot, must).

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
SPDX License List
https://spdx.org/licenses/

Canonical list of SPDX license identifiers and full license texts.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Creative Commons License Chooser
https://creativecommons.org/chooser/

Interactive tool to pick a Creative Commons license for creative work.

categories: utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
OLIS 오픈소스SW 라이선스 종합정보시스템
https://www.olis.or.kr/

Korean open-source license information portal (Korea Copyright Commission).

categories: korea-tools, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
readme.so
https://readme.so/

Drag-and-drop editor for writing a project README.md.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Make a README
https://www.makeareadme.com/

Explainer and template for writing a good README file.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Shields.io
https://shields.io/

Badge service for README files: build, version, license, and custom badges.

categories: devtools · .md · .json

Others in devtools

NameURL / slugCategoriesOwnership / editorial
Arvow https://arvow.com
/arvow		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
ASCIIFlow https://asciiflow.com/
/asciiflow		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Base64 Encode https://www.base64encode.org/
/base64encode		 converters, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Bcrypt Generator https://bcrypt-generator.com/
/bcrypt-generator		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Beautifier.io https://beautifier.io/
/beautifier		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
C-SSH https://c-ssh.com/
/c-ssh		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net IP Subnet Calculator https://www.calculator.net/ip-subnet-calculator.html
/calculator-net-ip-subnet		 devtools, calculators ownership=unclaimed editorial=approved rel=ugc nofollow
Can I use https://caniuse.com/
/caniuse		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Carbon https://carbon.now.sh/
/carbon		 devtools ownership=unclaimed editorial=unreviewed rel=ugc nofollow
Cena Advisory https://www.cenaadvisory.com
/cena-advisory		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Chance.js https://chancejs.com/
/chancejs		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
ChangeCrab https://changecrab.com
/changecrab		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
ChartSense AI https://chartsenseai.com
/chartsense-ai		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
CIDR.xyz https://cidr.xyz/
/cidr-xyz		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Claude Code Surface Audit https://kit.sdvsignal.com/#cc-surface-audit
/claude-code-surface-audit		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Claude Code Reset Tracker https://claude-resets.com
/claude-resets		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
CleanCSS CSS Beautify https://www.cleancss.com/css-beautify/
/cleancss-css-beautify		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
热核算力 https://www.codexhot.com
/codexhot		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Colour Contrast Checker https://colourcontrast.cc/
/colourcontrast		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
CORS Test (codehappy) https://cors-test.codehappy.dev/
/cors-test-codehappy		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
crontab guru https://crontab.guru/
/crontab-guru		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Cryptii https://cryptii.com/
/cryptii		 converters, privacy-local, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
CSVJSON https://csvjson.com/
/csvjson		 converters, utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
CyberChef https://gchq.github.io/CyberChef/
/cyberchef		 devtools, privacy-local, converters ownership=unclaimed editorial=approved rel=ugc nofollow
da.gd https://da.gd/
/dagd		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
diagrams.net https://app.diagrams.net/
/diagrams-net		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
DNS Checker https://dnschecker.org/
/dnschecker		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Instant SQL Formatter https://www.dpriver.com/pp/sqlformat.htm
/dpriver-sqlformat		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
DummyJSON https://dummyjson.com/
/dummyjson		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Online Tools (SHA hash) https://emn178.github.io/online-tools/sha256.html
/emn178-sha256		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Endpoint Index https://endpointindex.com
/endpoint-index		 devtools, privacy-local ownership=unclaimed editorial=approved rel=ugc nofollow
Excalidraw https://excalidraw.com/
/excalidraw		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
ExtendsClass JSON Generator https://extendsclass.com/json-generator.html
/extendsclass-json-generator		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
ExtendsClass SQL Formatter https://extendsclass.com/sql-formatter.html
/extendsclass-sql-formatter		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
EZ Car Fix https://ezcarfix.com/
/ez-car-fix		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Faker.js https://fakerjs.dev/
/fakerjs		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
favicon.io https://favicon.io/
/favicon-io		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Google Fonts https://fonts.google.com/
/google-fonts		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
GUID Generator https://www.guidgenerator.com/
/guidgenerator		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
DriveSync by HJ CYBERX https://hjdrivesync.hjcyberx.com
/hj-cyberx-drivesync		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
HJ CYBERX Plugins https://plugins.hjcyberx.com
/hj-cyberx-plugins		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
HOL Guard https://hol.org/guard
/hol-guard		 devtools, privacy-local, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
HOL Plugins https://hol.org/plugins
/hol-plugins		 devtools, privacy-local, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Hoppscotch https://hoppscotch.io/
/hoppscotch		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
httpbin https://httpbin.org/
/httpbin		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
HuDy https://www.hudy.co.kr/
/hudy		 korea-tools, devtools ownership=unclaimed editorial=unreviewed rel=ugc nofollow
ImageToSTL https://imagetostl.im/
/imagetostl		 converters, devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
IndieIndex https://indieindex.xyz/
/indieindex		 utilities, devtools ownership=verified editorial=approved rel=ugc nofollow
ipify https://www.ipify.org/
/ipify		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
IT Tools https://it-tools.tech/
/it-tools		 utilities, devtools, privacy-local ownership=unclaimed editorial=approved rel=ugc nofollow
JSON Generator https://json-generator.com/
/json-generator		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
JSON Crack https://jsoncrack.com/
/jsoncrack		 devtools ownership=unclaimed editorial=unreviewed rel=ugc nofollow
JSON Formatter https://jsonformatter.org/
/jsonformatter		 converters, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
JSONLint https://jsonlint.com/
/jsonlint		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
JSONPlaceholder https://jsonplaceholder.typicode.com/
/jsonplaceholder		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
jwt.io https://jwt.io/
/jwt-io		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Kit by SDV Signal https://kit.sdvsignal.com/
/kit-by-sdv-signal		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
LaTeX Autofill https://community.obsidian.md/plugins/latex-autofill
/latex-autofill		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Liberty Agent Settlement https://liberty-amber.vercel.app
/liberty-agent-settlement		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
LiveMaply https://livemaply.com/
/livemaply		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
MD5 Hash Generator https://www.md5hashgenerator.com/
/md5hashgenerator		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Mermaid Live Editor https://mermaid.live/
/mermaid-live		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Metatags.io https://metatags.io/
/metatags-io		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Mockaroo https://www.mockaroo.com/
/mockaroo		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
NoReason https://www.noreason.io/generate
/noreason		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Online YAML Tools (YAML→JSON) https://onlineyamltools.com/convert-yaml-to-json
/onlineyamltools-yaml-json		 converters, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Orkas https://orkas.ai/?source=dir_indieindex
/orkas		 devtools, privacy-local ownership=unclaimed editorial=approved rel=ugc nofollow
Prettier Playground https://prettier.io/playground/
/prettier-playground		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
QuietForgeTools https://mamonasr789-png.github.io/quietforgetools/
/quietforgetools		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Randommer https://randommer.io/
/randommer		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Random User Generator https://randomuser.me/
/randomuser		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Regex101 https://regex101.com/
/regex101		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
SchemaExtract https://schemaextract.shop
/schemaextract		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Slugify Online https://slugify.online/
/slugify-online		 utilities, converters, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Social Share Preview https://socialsharepreview.com/
/socialsharepreview		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
sqlformat https://sqlformat.org/
/sqlformat		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
SSL Labs Server Test https://www.ssllabs.com/ssltest/
/ssllabs-ssltest		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
sudoai Launch Ops Toolkit https://sudoai.net/tools/
/sudoai-launch-ops-toolkit		 utilities, privacy-local, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Swagger Editor https://editor.swagger.io/
/swagger-editor		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Tale https://tale.dev
/tale		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
TechnicalSEO robots.txt tester https://technicalseo.com/tools/robots-txt/
/technicalseo-robots		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
TinyURL https://tinyurl.com/
/tinyurl		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Toptal CSS Minifier https://www.toptal.com/developers/cssminifier
/toptal-cssminifier		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
Transform https://transform.tools/
/transform-tools		 converters, devtools ownership=unclaimed editorial=unreviewed rel=ugc nofollow
TrxAPI https://trxapi.com/
/trxapi		 devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Unminify https://unminify.com/
/unminify		 devtools, converters ownership=unclaimed editorial=approved rel=ugc nofollow
URL Encode Decode https://www.urlencoder.org/
/urlencoder		 converters, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
UserAgentString.com https://useragentstring.com/
/useragentstring		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
UUID Generator https://www.uuidgenerator.net/
/uuidgenerator		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
UUID Tools https://www.uuidtools.com/
/uuidtools		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
WebAIM Contrast Checker https://webaim.org/resources/contrastchecker/
/webaim-contrast		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Webhook.site https://webhook.site/
/webhook-site		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
WHOIS.com Lookup https://www.whois.com/whois/
/whois-com		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
WordPress Enquiry Path Checklist https://mamonasr789-png.github.io/quietforgetools-wp-enquiry-checklist/
/wp-enquiry-checklist		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
Wrenda https://wrenda.ai
/wrenda		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
XML-Sitemaps.com https://www.xml-sitemaps.com/
/xml-sitemaps		 utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
YAMLlint https://www.yamllint.com/
/yamllint		 converters, utilities, devtools ownership=unclaimed editorial=approved rel=ugc nofollow
ownership=unclaimededitorial=approvedrel=ugc nofollow
Arvow
https://arvow.com

AI agents that help you rank on Google and get cited by AI search.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
ASCIIFlow
https://asciiflow.com/

Draw ASCII diagrams in the browser.

categories: utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Base64 Encode
https://www.base64encode.org/

Encode and decode Base64 strings in the browser.

categories: converters, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Bcrypt Generator
https://bcrypt-generator.com/

Generate and verify bcrypt password hashes in the browser.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Beautifier.io
https://beautifier.io/

js-beautify playground for JavaScript, HTML, and CSS.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
C-SSH
https://c-ssh.com/

SSH and Windows RDP workspace for server operations across desktop and Android.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Calculator.net IP Subnet Calculator
https://www.calculator.net/ip-subnet-calculator.html

IP subnet calculator for IPv4 networks and masks.

categories: devtools, calculators · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Can I use
https://caniuse.com/

Browser support tables for web platform features.

categories: devtools · .md · .json
ownership=unclaimededitorial=unreviewedrel=ugc nofollow
Carbon
https://carbon.now.sh/

Turn source code into a shareable image.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Cena Advisory
https://www.cenaadvisory.com

Custom software and mobile apps for Australian businesses

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Chance.js
https://chancejs.com/

Minimalist JavaScript library for random / fake helpers.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
ChangeCrab
https://changecrab.com

Customer-facing changelogs and release notes for software teams

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
ChartSense AI
https://chartsenseai.com

Decision-support software for digital-asset market structure and risk scenarios

categories: utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
CIDR.xyz
https://cidr.xyz/

Interactive visual CIDR and IP range calculator.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Claude Code Surface Audit
https://kit.sdvsignal.com/#cc-surface-audit

Paste-only Claude Code surface audit — contradiction map + fix list in ≤48h. $79.

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Claude Code Reset Tracker
https://claude-resets.com

Track Claude Code reset windows and usage limits

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
CleanCSS CSS Beautify
https://www.cleancss.com/css-beautify/

CSS formatter / beautifier for readable stylesheets.

categories: devtools, converters · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
热核算力
https://www.codexhot.com

Chinese-language paid GPT API access for developers

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Colour Contrast Checker
https://colourcontrast.cc/

Simple WCAG colour contrast checker for design and UI pairs.

categories: utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
CORS Test (codehappy)
https://cors-test.codehappy.dev/

Quick browser CORS header / cross-origin test helper.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
crontab guru
https://crontab.guru/

Plain-English explainer for cron schedule expressions.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Cryptii
https://cryptii.com/

Modular encoding/decoding pipelines that run in your browser.

categories: converters, privacy-local, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
CSVJSON
https://csvjson.com/

Convert CSV ↔ JSON and related data formats in the browser.

categories: converters, utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
CyberChef
https://gchq.github.io/CyberChef/

Browser “Cyber Swiss Army Knife” for encoding, decoding, and data transforms.

categories: devtools, privacy-local, converters · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
da.gd
https://da.gd/

Minimalist curl-friendly URL shortener and helpers.

categories: utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
diagrams.net
https://app.diagrams.net/

Free browser diagram editor (draw.io) for flowcharts and architecture.

categories: utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
DNS Checker
https://dnschecker.org/

Global DNS propagation checker for A/AAAA/TXT/MX and more.

categories: utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Instant SQL Formatter
https://www.dpriver.com/pp/sqlformat.htm

Instant SQL Formatter & Beautifier for many SQL dialects.

categories: devtools, converters · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
DummyJSON
https://dummyjson.com/

Free fake REST API with products, users, carts, and more.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Online Tools (SHA hash)
https://emn178.github.io/online-tools/sha256.html

Browser SHA-256 and related hash calculators.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Endpoint Index
https://endpointindex.com

Independent SMB endpoint security database — sourced prices, lab results, Fit Score

categories: devtools, privacy-local · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Excalidraw
https://excalidraw.com/

Open-source virtual whiteboard for hand-drawn diagrams.

categories: utilities, devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
ExtendsClass JSON Generator
https://extendsclass.com/json-generator.html

Online fake JSON data generator with templates.

categories: devtools, converters · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
ExtendsClass SQL Formatter
https://extendsclass.com/sql-formatter.html

Free online SQL statement formatter for developers.

categories: devtools, converters · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
EZ Car Fix
https://ezcarfix.com/

Free DIY car repair guides with steps and videos

categories: devtools · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Faker.js
https://fakerjs.dev/

JavaScript library to generate massive amounts of fake data.

categories: devtools, utilities · .md · .json
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favicon.io
https://favicon.io/

Generate favicons from text, image, or emoji.

categories: utilities, devtools · .md · .json
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Google Fonts
https://fonts.google.com/

Open-source font library with web font embedding.

categories: utilities, devtools · .md · .json
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GUID Generator
https://www.guidgenerator.com/

Simple online GUID / UUID generator with bulk copy.

categories: utilities, devtools · .md · .json
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DriveSync by HJ CYBERX
https://hjdrivesync.hjcyberx.com

Sync and manage Google Drive workflows for sites and teams

categories: devtools, utilities · .md · .json
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HJ CYBERX Plugins
https://plugins.hjcyberx.com

Practical WordPress and WooCommerce plugins for stores

categories: devtools, utilities · .md · .json
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HOL Guard
https://hol.org/guard

Policy checks on agent tools, before the command runs

categories: devtools, privacy-local, utilities · .md · .json
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HOL Plugins
https://hol.org/plugins

Open-source plugin catalog securing AI agent tools for HOL Guard

categories: devtools, privacy-local, utilities · .md · .json
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Hoppscotch
https://hoppscotch.io/

Open-source API development and request playground.

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httpbin
https://httpbin.org/

HTTP request & response testing service for developers.

categories: devtools, utilities · .md · .json
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HuDy
https://www.hudy.co.kr/

대한민국 공휴일·영업일 API와 MCP 서버.

categories: korea-tools, devtools · .md · .json
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ImageToSTL
https://imagetostl.im/

Turn any photo into a textured printable 3D STL

categories: converters, devtools, utilities · .md · .json
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IndieIndex
https://indieindex.xyz/

Agent-native public product registry for indie software — search, llms.txt, queue-only submit.

categories: utilities, devtools · .md · .json
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ipify
https://www.ipify.org/

Simple public IP address lookup API and web helper.

categories: utilities, devtools · .md · .json
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IT Tools
https://it-tools.tech/

Open-source collection of client-side developer utilities.

categories: utilities, devtools, privacy-local · .md · .json
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JSON Generator
https://json-generator.com/

Template-based online JSON fake data generator.

categories: devtools, converters · .md · .json
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JSON Crack
https://jsoncrack.com/

Visualize JSON as an interactive graph.

categories: devtools · .md · .json
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JSON Formatter
https://jsonformatter.org/

Format, validate, and convert JSON in the browser.

categories: converters, devtools · .md · .json
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JSONLint
https://jsonlint.com/

Validate and format JSON with clear lint errors.

categories: utilities, devtools · .md · .json
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JSONPlaceholder
https://jsonplaceholder.typicode.com/

Free online REST API for testing and prototyping with fake data.

categories: devtools, utilities · .md · .json
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jwt.io
https://jwt.io/

JWT decoder / debugger — decode and inspect JSON Web Tokens in the browser.

categories: devtools · .md · .json
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Kit by SDV Signal
https://kit.sdvsignal.com/

Free ops and kit hub for small teams

categories: utilities, devtools · .md · .json
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LaTeX Autofill
https://community.obsidian.md/plugins/latex-autofill

Type English or Chinese meaning inside Obsidian math — get a full LaTeX template

categories: utilities, devtools · .md · .json
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Liberty Agent Settlement
https://liberty-amber.vercel.app

Self-serve agent-job escrow and credits demo (money:false)

categories: devtools · .md · .json
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LiveMaply
https://livemaply.com/

Live visitor maps, website traffic analytics and operator-initiated chat

categories: utilities, devtools · .md · .json
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MD5 Hash Generator
https://www.md5hashgenerator.com/

Generate MD5 hashes from text in the browser.

categories: devtools, utilities · .md · .json
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Mermaid Live Editor
https://mermaid.live/

Write Mermaid diagrams as text and preview them live.

categories: devtools · .md · .json
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Metatags.io
https://metatags.io/

Preview Open Graph / Twitter card meta tags before you ship.

categories: devtools, utilities · .md · .json
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Mockaroo
https://www.mockaroo.com/

Realistic fake data generator for CSV, JSON, SQL, and Excel.

categories: devtools, utilities · .md · .json
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NoReason
https://www.noreason.io/generate

Chaos as a Service — one script tag, instant website delight.

categories: devtools, utilities · .md · .json
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Online YAML Tools (YAML→JSON)
https://onlineyamltools.com/convert-yaml-to-json

Convert YAML to JSON in the browser (Online YAML Tools).

categories: converters, devtools · .md · .json
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Orkas
https://orkas.ai/?source=dir_indieindex

Open-source, local-first desktop AI workforce coordinated by a Commander through one chat.

categories: devtools, privacy-local · .md · .json
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Prettier Playground
https://prettier.io/playground/

Official Prettier playground — format JS, JSON, CSS, HTML, Markdown, and more.

categories: devtools, converters · .md · .json
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QuietForgeTools
https://mamonasr789-png.github.io/quietforgetools/

Small practical WordPress diagnostics and offline utilities

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Randommer
https://randommer.io/

Random data APIs and generators for names, phones, misc fake data.

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Random User Generator
https://randomuser.me/

Free API for generating random user profiles as fake data.

categories: devtools, utilities · .md · .json
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Regex101
https://regex101.com/

Regex tester with explanation, substitution, and unit tests.

categories: devtools · .md · .json
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SchemaExtract
https://schemaextract.shop

Turn invoices and trade documents into typed JSON against your schema.

categories: devtools · .md · .json
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Slugify Online
https://slugify.online/

Turn titles into URL-safe slugs instantly.

categories: utilities, converters, devtools · .md · .json
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Social Share Preview
https://socialsharepreview.com/

Check how a URL renders across common social share cards.

categories: devtools, utilities · .md · .json
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sqlformat
https://sqlformat.org/

Online SQL formatter and beautifier for quick query cleanup.

categories: devtools, converters · .md · .json
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SSL Labs Server Test
https://www.ssllabs.com/ssltest/

Public SSL/TLS configuration grade for any HTTPS host.

categories: utilities, devtools · .md · .json
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sudoai Launch Ops Toolkit
https://sudoai.net/tools/

Free tools for makers shipping products — clean copy, cost before scale, pick stack.

categories: utilities, privacy-local, devtools · .md · .json
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Swagger Editor
https://editor.swagger.io/

Browser OpenAPI / Swagger editor and preview.

categories: devtools, utilities · .md · .json
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Tale
https://tale.dev

Collaborative project management for teams and AI agents

categories: devtools · .md · .json
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TechnicalSEO robots.txt tester
https://technicalseo.com/tools/robots-txt/

Test and validate robots.txt rules in the browser.

categories: utilities, devtools · .md · .json
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TinyURL
https://tinyurl.com/

Classic free URL shortener with custom aliases.

categories: utilities, devtools · .md · .json
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Toptal CSS Minifier
https://www.toptal.com/developers/cssminifier

Online CSS minifier and compressor with a simple API.

categories: devtools, converters · .md · .json
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Transform
https://transform.tools/

Client-side converters between JSON, types, and other data formats.

categories: converters, devtools · .md · .json
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TrxAPI
https://trxapi.com/

Rent TRON energy for USDT TRC-20 — don’t burn TRX

categories: devtools · .md · .json
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Unminify
https://unminify.com/

Unminify / beautify JS, CSS, HTML, XML, and JSON in the browser.

categories: devtools, converters · .md · .json
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URL Encode Decode
https://www.urlencoder.org/

URL-encode and URL-decode strings online.

categories: converters, devtools · .md · .json
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UserAgentString.com
https://useragentstring.com/

Parse and look up browser user-agent strings.

categories: devtools, utilities · .md · .json
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UUID Generator
https://www.uuidgenerator.net/

Online UUID / GUID generator (v1 and v4).

categories: utilities, devtools · .md · .json
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UUID Tools
https://www.uuidtools.com/

Online UUID / GUID generator and decoder utilities.

categories: devtools, utilities · .md · .json
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WebAIM Contrast Checker
https://webaim.org/resources/contrastchecker/

WCAG color contrast checker for foreground and background pairs.

categories: utilities, devtools · .md · .json
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Webhook.site
https://webhook.site/

Instant unique URLs to inspect HTTP webhooks and requests.

categories: utilities, devtools · .md · .json
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WHOIS.com Lookup
https://www.whois.com/whois/

Public WHOIS / domain registration lookup.

categories: utilities, devtools · .md · .json
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WordPress Enquiry Path Checklist
https://mamonasr789-png.github.io/quietforgetools-wp-enquiry-checklist/

Free offline checklist for broken WordPress enquiry paths

categories: utilities, devtools · .md · .json
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Wrenda
https://wrenda.ai

Control how AI sees your content.

categories: devtools, utilities · .md · .json
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XML-Sitemaps.com
https://www.xml-sitemaps.com/

Generate an XML sitemap for a public website.

categories: utilities, devtools · .md · .json
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YAMLlint
https://www.yamllint.com/

Free online YAML validator and reformatter.

categories: converters, utilities, devtools · .md · .json

Full category /c/devtools/