JSON Formatter

Online JSON Formatter

Format, validate and simplify JSON data with our free online JSON Formatter. Beautify messy JSON, compress data with Minify, sort object keys and quickly identify syntax errors. No installation or registration required. Everything runs directly in your browser.

Ready. Paste JSON or open a .json file.
Lines: 1 Characters: 2 Size: 2 B

Your data stays in your browser. Nothing is uploaded or stored.

How to Use the JSON Formatter

  1. Enter your JSON: Paste your JSON code into the input editor or open a .json file from your computer.

  2. Choose indentation: Select your preferred indentation using 2 spaces, 4 spaces or tabs.

  3. Format JSON: Click Format JSON to organize your data into a clean, readable structure.

  4. Minify JSON: Use Minify JSON to remove unnecessary spaces and line breaks.

  5. Validate JSON: Click Validate to check your code for syntax errors.

  6. Sort keys: Optionally sort object keys alphabetically.

  7. Copy or download: Copy the formatted result or save it as a JSON file.

Tip: If your JSON contains an error, check for missing commas, quotation marks or closing brackets.

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