A fast, modern, and efficient JSON desktop tool. Prettify, view, diff, convert, validate, and generate code — all in one app, powered by Tauri & Rust.
Built for daily JSON work: Prettify, Viewer, Diff, Converter, JSON Schema, Code Gen, and Minify/Escape.
Built on Monaco Editor (the engine of VS Code), delivering a top-tier JSON prettify and viewing experience.

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

Convert JSON to YAML, XML, TOML, and CSV, or generate type-safe code in your favorite language.
Generate JSON Schema from any JSON data, or validate your data against an existing schema — all in a dedicated view.

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

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

Every detail is crafted for developer productivity.
One-click auto-repair of invalid JSON — fix missing quotes, trailing commas, and more.
Small install size and low memory footprint, powered by Tauri and Rust.
Launches in under a second. No loading screens, no waiting.
Available on macOS, Windows, and Linux with native look and feel.
Dracula, Nord, One Dark, Solarized, and more. Switch between light and dark with one click.
Export JSON as beautiful images with syntax highlighting for easy sharing, powered by Rust-native rendering.
Real-time display of key count, nesting depth, byte size, and line count.
Full Chinese and English interface with one-click language switching.
All data stays on your machine. No server, no upload, complete privacy.
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 | ✓ | ✓ |
No sign-up, no configuration. Download and start working with JSON immediately.
Grab the installer for your platform from GitHub Releases.
Open the app — it launches in under a second.
Paste your JSON and it's auto-prettified instantly.
Prettify, view, minify, diff, convert, and generate code — all at your fingertips.
Leveraging the best tools for performance, security, and developer experience.
Free, open source, and available on all major platforms.