JsonStudio

JsonStudio

A fast, modern, and efficient JSON desktop tool. Prettify, view, diff, convert, validate, and generate code — all in one app, powered by Tauri & Rust.

Download Now View on GitHub
$0
Free & Open Source
<1s
Launch Time
3
Platforms
10+
Themes
100%
Local & Private
JsonStudio Screenshot

Core Features

Built for daily JSON work: Prettify, Viewer, Diff, Converter, JSON Schema, Code Gen, and Minify/Escape.

EDITOR

Professional JSON Prettify & Viewer

Built on Monaco Editor (the engine of VS Code), delivering a top-tier JSON prettify and viewing experience.

  • Syntax highlighting with bracket pair colorization
  • Multi-tab editing with drag-and-drop reordering
  • Code folding, minimap, and find & replace
  • Auto-prettify on paste for instantly clean JSON
  • 10+ color themes including Dracula, Nord, and One Dark
JSON Editor
NAVIGATE

Tree View & JMESPath Query

Visualize complex JSON structures as an interactive tree. Navigate, search, and query with ease.

  • Collapsible tree with type-colored icons
  • Click any node to jump to its position in the editor
  • Copy path and value with one click
  • Full JMESPath query support with real-time highlighting
  • Resizable panel width for comfortable viewing
JSON Tree View
CONVERT

JSON Converter & Code Gen

Convert JSON to YAML, XML, TOML, and CSV, or generate type-safe code in your favorite language.

  • Bidirectional conversion: JSON ↔ YAML, XML, TOML, CSV
  • CSV rainbow column highlighting for readability
  • Generate TypeScript, Go, Python, Java, Rust, and more
  • Reverse conversion: paste code to extract JSON
JSON Converter Code Generation
SCHEMA

JSON Schema Generation & Validation

Generate JSON Schema from any JSON data, or validate your data against an existing schema — all in a dedicated view.

  • One-click schema generation from JSON data
  • Validate JSON against any JSON Schema with detailed error reports
  • Dedicated schema page with side-by-side editing
JSON Schema
EFFICIENCY

Shortcuts & Workflow Boost

Native desktop shortcuts that web tools simply can't offer — dramatically speed up your daily JSON workflow.

  • Global shortcut to launch or bring the app to front instantly
  • One-key paste & prettify: clean up clipboard JSON instantly
  • Window always-on-top toggle for multitasking
  • All editor shortcuts fully customizable in settings
  • File association: double-click .json to open directly
Settings & Shortcuts
TOOLS

JSON Diff, Minify/Escape & More Tools

A practical toolbox focused on JSON Diff, minify/escape, repair, and export.

  • Side-by-side diff with inline change highlighting
  • Diff line count statistics in status bar
  • Escape / unescape / minify utilities
  • Drag & drop JSON files to open instantly
  • Export JSON as beautiful images with syntax highlighting for easy sharing
JSON Diff

And Much More

Every detail is crafted for developer productivity.

JSON Repair

One-click auto-repair of invalid JSON — fix missing quotes, trailing commas, and more.

Lightweight

Small install size and low memory footprint, powered by Tauri and Rust.

Instant Launch

Launches in under a second. No loading screens, no waiting.

Cross-Platform

Available on macOS, Windows, and Linux with native look and feel.

10+ Themes

Dracula, Nord, One Dark, Solarized, and more. Switch between light and dark with one click.

Image Export

Export JSON as beautiful images with syntax highlighting for easy sharing, powered by Rust-native rendering.

JSON Statistics

Real-time display of key count, nesting depth, byte size, and line count.

i18n Support

Full Chinese and English interface with one-click language switching.

100% Offline

All data stays on your machine. No server, no upload, complete privacy.

Why JsonStudio?

See how JsonStudio compares to online JSON tools and other editors.

Feature Online Tools JsonStudio
Offline / No Internet Required
Data Privacy (100% Local)
Large JSON Data Performance
Multi-tab Editing
Tree View & JMESPath Query
Ad-Free Experience
Global Shortcuts & Custom Keybindings
Image Export
Local File Operations
Custom Settings (Theme, Font, Spacing, Shortcuts...)
JSON Schema Generation & Validation
Code Generation
JSON Converter (YAML/XML/...)
JSON Diff

Get Started in Seconds

No sign-up, no configuration. Download and start working with JSON immediately.

Download

Grab the installer for your platform from GitHub Releases.

Launch

Open the app — it launches in under a second.

Paste

Paste your JSON and it's auto-prettified instantly.

Done

Prettify, view, minify, diff, convert, and generate code — all at your fingertips.

Built with Modern Tech

Leveraging the best tools for performance, security, and developer experience.

Rust
Tauri 2.0
Svelte 5
Monaco Editor
Tailwind CSS

Ready to Supercharge Your JSON Workflow?

Free, open source, and available on all major platforms.

Download Now View on GitHub