About Online JSON Formatter
Our Mission
Online JSON Formatter was created to provide developers with a fast, secure, and privacy-focused tool for working with structured data formats. We believe that essential developer tools should be free, accessible, and respect user privacy.
What We Offer
- JSON Formatter & Validator - Format, beautify, minify, and validate JSON data with syntax highlighting
- XML Formatter - Pretty-print and validate XML documents
- YAML Validator - Validate YAML syntax and convert to JSON
- Properties Editor - Work with Java properties files
Privacy First
Unlike many online tools, we process everything in your browser. Your code never leaves your device. There are no servers receiving your data, no logging of your input, and no storage of your files. Your data stays yours.
Features
- Auto-detection of data format (JSON, XML, YAML, Properties)
- Syntax highlighting with multiple themes
- Minify & beautify with customizable indentation
- Sort keys alphabetically (A-Z or Z-A)
- JSON stringify/unstringify for escaped strings
- Tree view for JSON data exploration
- Drag & drop file upload
- Copy output with one click
- Dark mode support
- Mobile responsive design
Contact
Have feedback, suggestions, or found a bug? We'd love to hear from you at [email protected].