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
JSON Sage Alternatives
JSON Sage is described as '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' and is a JSON Viewer in the development category. There are more than 25 alternatives to JSON Sage for a variety of platforms, including Web-based, Mac, Windows, Linux and Google Chrome apps. The best JSON Sage alternative is DevToys, which is both free and Open Source. Other great apps like JSON Sage are Grayslate, JSON Crack, DevToys for Mac and JSON BANG!.
Alternatives list
Cost / License
- Free
- Proprietary
Platforms
- Windows
- Linux
- Google Chrome
Json List is a lightweight, easy to use app that lets you open any JSON file and displays it in user-friendly list format. It supports Material You dynamic color.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Android
- F-Droid
+1
Online tool to Format, indent & beautify JSON text with syntax highlighting & ability to expand/collapse the objects in a tree like structure.
Cost / License
- Free
- Proprietary
Platforms
- Online
Need to convert a XML file to JSON? This online converter allows you to convert between XML and JSON within few seconds. While the XML format is a markup language designed to define encoding rules for documents the JSON format is focused on human readable text to transmit data...
Cost / License
- Free
- Proprietary
Platforms
- Online
ToolShelf is a lightweight collection of fast, browser-based developer utilities. All tools run entirely in your browser — no logins, no tracking, and full offline support.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Global
+4
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.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
Poland
EU
A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
Cost / License
- Free
- Proprietary
Platforms
- Online
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
Platforms
- Online
+9
JSONViewerTool is a free, browser-based suite of JSON utilities designed for developers, testers, and anyone working with APIs or structured data.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
India
A powerful macOS application designed for developers who work with JSON daily. Format and beautify messy JSON, validate syntax instantly, organize snippets in collections, convert between JSON and other formats, and quickly search through your saved snippets.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
Argentina
UnblockDevs is a free suite of developer tools that runs 100% in your browser — nothing is sent to servers, no signup required.
Cost / License
- Free
- Proprietary
Platforms
- Online
United States
+1
