Free
Utility
Browser tool
JSON Formatter
Format JSON text, validate structure, and minify output.
Quick facts
-
Best forfast everyday workflows
-
Resultcopy-and-paste output
-
NoteRuns in your browser with no sign-up required.
About this Tool
JSON text can look like a giant block of messy words. This tool automatically arranges it with clean line breaks and spaces so you can easily read, check, or fix your data.
Why people use this tool
- Makes hard-to-read data look neat and organized in one click.
- Helps you spot missing commas or wrong characters right away.
- Lets you shrink your text size (minify) when you want to send data faster.
How to use it
- Paste your messy JSON text into the top box.
- Click 'Run' to format it, or check 'Minify' if you want a compact version.
- Copy your clean text and use it in your code or documents.
Frequently Asked Questions
JSON is a simple way computers share list data and information using curly brackets and quotes.
No, everything is processed directly in your web browser. Your data stays private.
It usually means a quotation mark or comma is missing in your input text. Double check your formatting!