JSON Translation Differ, Formatter & Minifier
Free online JSON tool: Compare translation files, format JSON, minify code, and find missing keys. The ultimate developer utility for i18n.
Paste or upload JSON files to compare, format, or minify
Supports nested JSON, minification, and formatting
Why use this JSON Tool?
Visual Diff & Compare
Color-coded differences make it easy to spot added, removed, and changed keys between two JSON files.
Format & Minify
Instantly format messy JSON into readable code (Prettify) or minify it for production use to save space.
Structure Flattening
Automatically flattens nested JSON structures to compare deep keys easily.
How to use
Paste your original JSON in the left panel.
Paste the modified JSON in the right panel.
Click 'Format' to clean up the code or 'Minify' to compress it.
View the difference summary below to see what changed.
Frequently Asked Questions
What is a JSON Differ?
A JSON Differ is a tool that compares two JSON objects and highlights the differences. It helps developers spot changes, missing keys, or value updates in configuration or translation files.
Why usage JSON Minification?
Minification removes whitespace and comments from JSON code, reducing file size for faster loading in web applications. It is essential for production performance.
Is my data secure?
Yes, all processing happens locally in your browser. Your JSON data is never uploaded to any server.