Cost / License
- Free
- Proprietary
Platforms
- Online

JSONLint is described as 'JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format' and is an app in the development category. There are more than 25 alternatives to JSONLint for a variety of platforms, including Web-based, Mac, Linux, Self-Hosted and Flathub apps. The best JSONLint alternative is DevToys, which is both free and Open Source. Other great apps like JSONLint are JSON Sage, Omni Tools, JSON BANG! and DevToys for Mac.

UnblockDevs is a free suite of developer tools that runs 100% in your browser — nothing is sent to servers, no signup required.




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.




JSON Fixer is an online tool designed to save developers time by automatically fixing invalid JSON copied from logs, printed output, or other sources. Unlike traditional JSON formatters, JSON Fixer handles common issues specific to programming languages, such as Python’s None...

json formatter live - Quickly format or minify and edit JSON using keyboard shortcuts and find the app swiftly using the system-wide search after installation

JSONReader provides a suite of powerful tools to manipulate, format, validate, and beautify JSON data efficiently. Whether you're a developer, data analyst, or just working with JSON, our tools ensure a seamless experience.



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.

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.



