JSON Formatter
Format, validate and minify JSON with clear error messages.
How to use the JSON Formatter
- 1Paste JSONFrom an API response or file.
- 2Choose format, minify or sortThe result appears instantly.
- 3Copy or downloadUse it in your code.
What is the JSON Formatter?
Minified JSON from an API is hard to read and easy to break. This formatter pretty-prints JSON with 2 spaces, 4 spaces or tabs, minifies it into one line, sorts keys and validates it with a clear error message showing the line and column of any mistake.
Paste JSON to pretty-print it or squeeze it into one line.
When to use it
- Debugging API responses.
- Editing configuration files.
- Preparing JSON for documentation.
Questions
Is my JSON sent to a server?
No, formatting happens in your browser.
Is the JSON Formatter free?
Yes. It is completely free with no sign-up and no watermark. Use it as often as you like.
Are my files uploaded to your server?
No. This tool runs inside your browser, so your files and text stay on your own phone or computer.
Does it work on mobile?
Yes, it works in Chrome, Safari and other modern browsers on Android, iPhone, Windows and Mac.
Need the full premium tools?
Get Ahrefs, Semrush, ChatGPT Plus, Canva Pro and 50+ more premium tools at group-buy prices. Pay with bKash, Nagad, Rocket or card and get access in minutes.
chatgpt$3.27/30 Days
Claude$6.15/30 Days
gemini$2.87/30 Days
deepseek$2.04/30 Days
Ahrefs$7.38/30 Days
semrush$2.45/30 Days