/json-prettier

JSON formatter • JSON prettifier • JSON beautifier desktop app. Format messy JSON files instantly. Free JSON viewer and organizer for Windows, macOS, Linux.

Primary LanguageTypeScriptMIT LicenseMIT

JSON Prettier

JSON Prettier Logo

Version License


Main Interface

Download

macOS
macOS
DMG (Apple Silicon)
DMG (Intel)
App Bundle (Apple Silicon)
App Bundle (Intel)
Windows
Windows
Installer (.exe, x64)
MSI Installer (x64, en-US)
Linux
Linux
AppImage (amd64)
Debian Package (.deb, amd64)
RPM Package (x86_64)

⚠️ IMPORTANT FOR macOS USERS: macOS will show security warnings ("untrusted developer" or "app is damaged") on first launch. Right-click the app and select "Open" to bypass this. For persistent issues, check our Installation Guide.


What is JSON Prettier?

JSON Prettier is a simple desktop app that makes messy JSON data look clean and organized. Whether you're a developer, data analyst, or just someone who works with JSON files, this app will help you format and read JSON data easily.

Key Features

  • Open and save JSON files from your computer
  • Auto-save your formatting preferences
  • Dark and light themes available
  • Copy/paste support with keyboard shortcuts
  • Syntax highlighting for better readability
  • Instant JSON formatting and validation

Having Issues?

If something's not working right, create an issue and include:

  • Your operating system and version
  • What you were trying to do
  • What actually happened
  • Screenshots if helpful

For Developers

Want to contribute or build from source? Check out our Development Guide

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