/compare/devtools

Short answer: This hub highlights 20 IndieIndex listings and shows 12 of 113 others in devtools (full list on /c/devtools/). Highlighted first: IT Tools — Open-source collection of client-side developer utilities; Regex101 — Regex tester with explanation, substitution, and unit tests; jwt.io — JWT decoder / debugger — decode and inspect JSON Web Tokens in the browser. Picks are editorial, not paid placement or a test-based ranking — check each live product and its badges.

Updated (latest listing change on this page): 2026-11-11

Developer utilities on IndieIndex — regex, JWT, JSON, cron, diagrams, encode/decode, and client-side IT tools.

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)

Name	URL / slug	Categories	Ownership / editorial
IT Tools	https://it-tools.tech/ /it-tools	utilities, devtools, privacy-local	ownership=unclaimed editorial=approved rel=ugc nofollow
Regex101	https://regex101.com/ /regex101	devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
jwt.io	https://jwt.io/ /jwt-io	devtools	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
crontab guru	https://crontab.guru/ /crontab-guru	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
SVGOMG	https://jakearchibald.github.io/svgomg/ /svgomg	utilities, converters	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
YAMLlint	https://www.yamllint.com/ /yamllint	converters, utilities, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
Excalidraw	https://excalidraw.com/ /excalidraw	utilities, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
Can I use	https://caniuse.com/ /caniuse	devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
Transform	https://transform.tools/ /transform-tools	converters, devtools	ownership=unclaimed editorial=unreviewed rel=ugc nofollow
sqlformat	https://sqlformat.org/ /sqlformat	devtools, converters	ownership=unclaimed editorial=approved rel=ugc nofollow
Prettier Playground	https://prettier.io/playground/ /prettier-playground	devtools, converters	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
Beautifier.io	https://beautifier.io/ /beautifier	devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
Unminify	https://unminify.com/ /unminify	devtools, converters	ownership=unclaimed editorial=approved rel=ugc nofollow
CIDR.xyz	https://cidr.xyz/ /cidr-xyz	devtools, utilities	ownership=unclaimed editorial=approved rel=ugc nofollow

Highlighted (cards)

ownership=unclaimededitorial=approvedrel=ugc nofollow

IT Tools

https://it-tools.tech/

Open-source collection of client-side developer utilities.

categories: utilities, devtools, privacy-local · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

Regex101

https://regex101.com/

Regex tester with explanation, substitution, and unit tests.

categories: devtools · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

jwt.io

https://jwt.io/

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

categories: devtools · .md · .json

ownership=unclaimededitorial=unreviewedrel=ugc nofollow

JSON Crack

https://jsoncrack.com/

Visualize JSON as an interactive graph.

categories: devtools · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

JSON Formatter

https://jsonformatter.org/

Format, validate, and convert JSON in the browser.

categories: converters, devtools · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

JSONLint

https://jsonlint.com/

Validate and format JSON with clear lint errors.

categories: utilities, devtools · .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

Mermaid Live Editor

https://mermaid.live/

Write Mermaid diagrams as text and preview them live.

categories: devtools · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

SVGOMG

https://jakearchibald.github.io/svgomg/

SVGO-powered SVG optimizer with live preview and toggles.

categories: utilities, converters · .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

YAMLlint

https://www.yamllint.com/

Free online YAML validator and reformatter.

categories: converters, utilities, devtools · .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

Can I use

https://caniuse.com/

Browser support tables for web platform features.

categories: devtools · .md · .json

ownership=unclaimededitorial=unreviewedrel=ugc nofollow

Transform

https://transform.tools/

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

categories: converters, devtools · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

sqlformat

https://sqlformat.org/

Online SQL formatter and beautifier for quick query cleanup.

categories: devtools, converters · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

Prettier Playground

https://prettier.io/playground/

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

categories: devtools, converters · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

Toptal CSS Minifier

https://www.toptal.com/developers/cssminifier

Online CSS minifier and compressor with a simple API.

categories: devtools, converters · .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

Unminify

https://unminify.com/

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

categories: devtools, converters · .md · .json

ownership=unclaimededitorial=approvedrel=ugc nofollow

CIDR.xyz

https://cidr.xyz/

Interactive visual CIDR and IP range calculator.

categories: devtools, utilities · .md · .json

Others in devtools

Showing 12 of 113 — most recently checked first.

Name	URL / slug	Categories	Ownership / editorial
da.gd	https://da.gd/ /dagd	utilities, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
mails0	https://mails0.com /mails0	devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
ModernCV	https://genedai.cv /moderncv	utilities, privacy-local, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
Chance.js	https://chancejs.com/ /chancejs	devtools, utilities	ownership=unclaimed editorial=approved rel=ugc nofollow
jsonl.co	https://jsonl.co /jsonl-co	devtools, converters, privacy-local	ownership=unclaimed editorial=approved rel=ugc nofollow
dochost	https://dochost.io/ /dochost	converters, utilities, devtools	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
SEOHabit	https://seohabit.com/ /seohabit	utilities, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
WeMotion	https://wemotion.ai/ /wemotion	utilities, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
edtr.md	https://edtr.md /edtr-md	utilities, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
Folklore MCP	https://folklore.helena.bio/integrations/mcp /folklore-mcp	devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
AppGuidelines	https://appguidelines.com/ /appguidelines	devtools	ownership=unclaimed editorial=approved rel=ugc nofollow

전체 보기 / View all — 132 listings in /c/devtools/