JSON Minifier

Minify JSON by removing whitespace and newlines.

JSON input

Minified output

Minified JSON will appear here.

What is JSON Minifier?

A JSON minifier reduces file size by removing unnecessary whitespace, newlines, and indentation. Useful for APIs and configs where size matters.

1. Paste your JSON in the input box.

2. Click Minify. Copy the single-line output if needed.

Format, validate, and beautify JSON with syntax highlighting.

Validate JSON syntax and get clear error messages.

Convert JSON array to CSV format.

Convert CSV text to JSON array.

Convert JSON to XML format.

Format JSON with indentation for readability.

Format, validate, and beautify JSON with syntax highlighting.

Test regular expressions and highlight matches.

Encode text to Base64.

Generate UUID v4 identifiers.

Decode and inspect JWT header and payload.