
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.

OfflineUtils
JSONFormatter.org
10015.io
CyberChef
Code Beautify JSON Validator
CodeUtil.dev
ToolsOnline.run
Zero-upload, client-side developer utilities for formatting, validating, and converting JSON payloads locally.

Which is more popular?
Based on our record, JSONLint seems to be more popular. It has been mentioned 138 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | jsonlint.com | aptdot.com |
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What each product offers, as listed by its team.


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 Aptdot Developer Utilities yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using JSONLint and Aptdot Developer Utilities. 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
Tracking Aptdot Developer Utilities since Sep 2026.
When comparing JSONLint and Aptdot Developer Utilities, 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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A privacy-first suite of 100% local-browser utilities. Format JSON, decode JWTs, hash strings, generate passwords, edit PDFs, and more — without uploading a single byte. Free, no cookies.
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The JSON Formatter was created to help with debugging.
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View, edit and format JSON online
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10015.io is an all-in-one toolbox offering many tools from various categories.
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Freeformatter is a platform that contains free online tools for developers, including formatters (json, html, xml, sql, etc.), minifiers (css, javascript), compactors, validators, and much more.
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