
JSONFormatter.org
JSON Formatter & Validator
JSON Editor Online
FreeFormatter
Code Beautify JSON Validator
CodeBeautify
DevToys
JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.

Claude Code
GitHub Copilot
Cursor
OpenClaw
VS Code
Claude for Desktop
opencode
Codex is a VS Code extension that allows any engineer to attach comments, questions or any kind of content to specific lines of code.

Which is more popular?
Based on our record, JSONLint seems to be a lot more popular than Codex. While we know about 138 links to JSONLint, we've tracked only 1 mention of Codex.
Website, pricing, platforms and company facts side by side.
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| Website | jsonlint.com | usecodex.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Codex yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using JSONLint and Codex. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I've been maintaining jsonlint.com for years. It's a simple JSON validator that I enjoy hacking on every now and then. Nothing fancy, just a useful tool that developers seem to appreciate. - Source: dev.to / 8 months ago
Note: It is crucial that your batchinput.jsonl file is correctly formatted. You can use online JSON formatters and validators like jsonformatter.org or jsonlint.com to verify its integrity before proceeding. - Source: dev.to / about 1 year ago
Online Tools: Websites like JSONLint or jsonformatter.org let you paste JSON and get a minified version instantly. - Source: dev.to / about 1 year ago
Our company, Codex, is live on Product Hunt now and we'd love your support via an upvote! - Source: dev.to / about 4 years ago
When comparing JSONLint and Codex, you can also consider the following products.

Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
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Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.
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The JSON Formatter was created to help with debugging.
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Your AI pair programmer. With GitHub Copilot, get suggestions for whole lines or entire functions right inside your editor.
Compare GitHub Copilot to JSONLint or Codex:
View, edit and format JSON online
Compare JSON Editor Online to JSONLint or Codex:

The AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.
Compare Cursor to JSONLint or Codex: