Hi everyone, I'm the maker of JSON Formatter. Most online JSON formatters have two major flaws. First, they send your potentially sensitive payload data to a remote server, which is a massive privacy risk. Second, they choke on anything larger than a few megabytes, leaving you staring at an unresponsive tab. I wanted a tool that felt as fast and secure as a native desktop app, but lived right in the browser. So I built one from scratch. My approach was simple: keep everything 100% client-side. No server uploads, no data collection. Just pure frontend processing optimized for speed. Here is what it does differently: * **Zero server processing**: Your data never leaves your machine. It's completely secure for sensitive work data. * **Handles large files**: The parser is optimized to process large datasets without crashing your browser. * **Auto-fixes syntax**: It detects and automatically corrects common errors like trailing commas, single quotes, and unquoted keys. * **Instant conversion**: One-click export from JSON to XML or YAML formats. * **Dark mode ready**: Includes multiple themes (Monokai, Dracula, etc.) to match your IDE setup. It's completely free, requires no registration, and works offline once loaded. I'd love for you to try it with your messiest, largest JSON files and let me know how it holds up. Feedback and bug reports are always welcome! #DeveloperTools #Productivity #WebDevelopment #Programming #JSON

Free JSON Formatter

Parse and fix large JSON files locally

Parse and fix large JSON files locally