JSON Toolkit v1.0.0

JSON Toolkit — First Release

A local JSON utility with a clean desktop interface and command-line support.

Features

• Validate JSON with helpful error locations.
• Format, minify, and sort object keys.
• Compare documents with colored differences.
• Dark interface with syntax highlighting and line numbers.
• Copy results, open files, and save output.
• Keyboard shortcuts for common actions.

Getting started

Requires Python 3.9 or newer. Desktop mode also requires Tkinter.

Download and extract the source code, open a terminal in the project folder, and run:

python json_toolkit.py

On Windows, you can also use py json_toolkit.py.

All processing stays on your computer. No third-party Python packages are required.