A free, fast, and clean web-based tool to format, validate, and minify JSON. No sign-ups, no ads, and no distractions — just paste your JSON and get instant results.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online



Alljson is described as 'AllJSON is a free, fast, browser-based tool for working with JSON. It validates messy JSON, lets you explore it as an interactive tree, and turns clicked fields into BigQuery / Snowflake-style SQL — all without sending data anywhere' and is a JSON Viewer in the development category. There are more than 25 alternatives to Alljson, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and SaaS apps. The best Alljson alternative is Grayslate, which is both free and Open Source. Other great sites and apps similar to Alljson are JSON BANG!, JSON Crack, Boop and json-log-viewer.
A free, fast, and clean web-based tool to format, validate, and minify JSON. No sign-ups, no ads, and no distractions — just paste your JSON and get instant results.



Visual JSON Editor is a JSON schema draft v4 based file editor for Windows: When opening a JSON file, the application auto-generates an editor GUI based on the provided JSON schema. The goal is to make JSON editing more effective and easier for users.


quicktype generates types and helper code for reading JSON in C#, Swift, JavaScript, Flow, Python, TypeScript, Go, Rust, Objective-C, Kotlin, C++ and more. Customize online with advanced options, or download a command-line tool.




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.



Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel.




HtmlStrip is a free tool designed for web developers who need a quick and simple solution for things in their day to day work.

Online Tools like Beautifiers, Editors, Viewers, Validators for Developers: HTML, XML, JSON, CSS, JavaScript.

Free and privacy-first online tools for developers, students, and creators — including IP lookup, Base64 decoder, JSON formatter, crontab generator and more.




A powerful online JSON formatter, editor and validator with multiple visualization modes including code, tree, table and graph views, making JSON debugging and manipulation effortless.




A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
JSON Sage is a free online tool that helps developers visualize, validate, format, and edit JSON data instantly. It features a clean and modern interface with both tree view and code editor view, making it easy to explore and manipulate complex JSON structures.


