JSONLinter Alternatives

JSONLinter is described as 'Simple JSON validator & formatter' and is an website in the development category. There are more than 25 alternatives to JSONLinter, not only websites but also apps for a variety of platforms, including Mac, Linux, Windows and Flathub apps. The best JSONLinter alternative is DevToys, which is both free and Open Source. Other great sites and apps similar to JSONLinter are JSON Sage, Omni Tools, CodePrettify and DevToys for Mac.

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Get a badge for your siteJSONLinter alternatives page was last updated Feb 15, 2026

JSON Hero
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JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀.
Cost / License
Free
Open Source (Apache-2.0)
Platforms
Online
+2
Good alternative?Is JSON Hero a good alternative to JSONLinter?
DevUtilHub
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DevUtilHub provides 24+ free online developer tools including regex tester, Base64 encoder/decoder, JWT debugger, JSON formatter, hash generators, and more. All tools run entirely in your browser for maximum privacy and speed. No signup required.
Cost / License
Free
Proprietary
Platforms
Online
Good alternative?Is DevUtilHub a good alternative to JSONLinter?
DataLensia
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DataLensia is a privacy-first, browser-based data toolkit that lets you visualize CSV datasets and work with JSON/NDJSON using tools like a JSON comparator, schema generator, editor, and converter — all processed locally.
Cost / License
Free
Proprietary
Application type
JSON Viewer
Platforms
Online
+9
Good alternative?Is DataLensia a good alternative to JSONLinter?
JSON Online Viewer
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JSON Online Viewer is a fast JSON tree visualizer. It is intended for small-to-medium sized JSON texts which are common in the online usage.
Cost / License
Free
Proprietary
Platforms
Online
+1
Good alternative?Is JSON Online Viewer a good alternative to JSONLinter?