JSON Formatter
Validate, format, indent and minify JSON source strings. Clean developer browser assistant.
// JSON Output will display here
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Processed entirely in your browser. Nothing was uploaded. Your file is ready to download.
About This Tool
Format, validate, and minify JSON data with our developer-friendly tool. Indent, compress, and fix JSON syntax.
Key Features
- Pretty-print with custom indentation
- Minify JSON for production use
- Syntax validation and error detection
- Supports large JSON structures
- Copy formatted output with one click
No. FileForge processes all files locally inside your browser
tab using JavaScript and WebAssembly. Your documents never
leave your device.
Yes, completely free. Since processing uses your own device's
CPU and memory, there are no server costs or usage limits.