ownership=unclaimededitorial=approvedrel=ugc nofollow
JSON Formatter
Format, validate, and convert JSON in the browser.
Which JSON / JWT / regex devtools are on IndieIndex?
Short answer: 10 listings on IndieIndex match this intent. First in the curated list: JSON Formatter — Format, validate, and convert JSON in the browser; JSON Crack — Visualize JSON as an interactive graph (+8 more below). This is a curated shortlist, not a test-based ranking — verify the live product before relying on it.
IndieIndex curates 10 candidates for this intent among 426 published registry listings: JSON Formatter, JSON Crack, JSONLint, jwt.io, Regex101, IT Tools, Base64 Encode, Hoppscotch, JSON Generator, JSONPlaceholder. JSON, JWT, regex, and related developer utilities on IndieIndex.
Curated listings
| Name | URL / slug | Categories | Ownership / editorial |
|---|---|---|---|
| JSON Formatter | https://jsonformatter.org/ |
converters, devtools | ownership=unclaimed editorial=approved rel=ugc nofollow |
| JSON Crack | https://jsoncrack.com/ |
devtools | ownership=unclaimed editorial=unreviewed rel=ugc nofollow |
| JSONLint | https://jsonlint.com/ |
utilities, devtools | ownership=unclaimed editorial=approved rel=ugc nofollow |
| jwt.io | https://jwt.io/ |
devtools | ownership=unclaimed editorial=approved rel=ugc nofollow |
| Regex101 | https://regex101.com/ |
devtools | ownership=unclaimed editorial=approved rel=ugc nofollow |
| IT Tools | https://it-tools.tech/ |
utilities, devtools, privacy-local | ownership=unclaimed editorial=approved rel=ugc nofollow |
| Base64 Encode | https://www.base64encode.org/ |
converters, devtools | ownership=unclaimed editorial=approved rel=ugc nofollow |
| Hoppscotch | https://hoppscotch.io/ |
devtools, utilities | ownership=unclaimed editorial=approved rel=ugc nofollow |
| JSON Generator | https://json-generator.com/ |
devtools, converters | ownership=unclaimed editorial=approved rel=ugc nofollow |
| JSONPlaceholder | https://jsonplaceholder.typicode.com/ |
devtools, utilities | ownership=unclaimed editorial=approved rel=ugc nofollow |
Cards
ownership=unclaimededitorial=unreviewedrel=ugc nofollow
JSON Crack
Visualize JSON as an interactive graph.
ownership=unclaimededitorial=approvedrel=ugc nofollow
JSONLint
Validate and format JSON with clear lint errors.
ownership=unclaimededitorial=approvedrel=ugc nofollow
jwt.io
JWT decoder / debugger — decode and inspect JSON Web Tokens in the browser.
ownership=unclaimededitorial=approvedrel=ugc nofollow
Regex101
Regex tester with explanation, substitution, and unit tests.
ownership=unclaimededitorial=approvedrel=ugc nofollow
IT Tools
Open-source collection of client-side developer utilities.
ownership=unclaimededitorial=approvedrel=ugc nofollow
Base64 Encode
Encode and decode Base64 strings in the browser.
ownership=unclaimededitorial=approvedrel=ugc nofollow
Hoppscotch
Open-source API development and request playground.
ownership=unclaimededitorial=approvedrel=ugc nofollow
JSON Generator
Template-based online JSON fake data generator.
ownership=unclaimededitorial=approvedrel=ugc nofollow
JSONPlaceholder
Free online REST API for testing and prototyping with fake data.