Excel & CSV Tools
Excel File Comparator
Diff two Excel or CSV files and see what changed.
JSON Prettifier and Formatter
Turn minified API responses into readable JSON. Choose indent size, optionally sort keys alphabetically, fix formatting errors, or compress JSON for production.
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Tool workspace
Paste JSON or open a .json file. Formatting runs in your browser. Nothing is uploaded.
How it works
- Paste JSON or load a .json file from your device.
- Click Prettify to beautify with your chosen indent, or Minify to compress.
- Copy the result or download a .json file. Validation errors point to the problem line.
Features
- Beautify with 2-space, 4-space, or tab indentation
- Optional sort keys for stable, readable output
- Minify and validate in one click
- Copy and download. Processing stays in your browser
Readable JSON in one click
Developers, students, and analysts paste API responses, config files, and log snippets here to expand nested objects into an easy-to-read tree with consistent indentation.
Optional key sorting makes diffs and code reviews simpler when two JSON files should match.
JSON Prettifier FAQ
No. Formatting and validation run entirely in your browser.
It highlights syntax errors so you can edit the text. It does not guess missing commas automatically.
Prettify adds line breaks and indentation for humans. Minify removes extra whitespace for smaller files and APIs.
Two spaces is the most common style in JavaScript projects. Four spaces is popular in enterprise configs. Tabs work when your team prefers them.