A free, privacy-focused JSON content viewer that turns complex JSON data into beautifully formatted, human-readable documents. No sign-up required, no data collection, completely free forever.
Try It Now βYour JSON never leaves your device. Everything is processed locally in your browser.
Instant rendering with no server delays. Works offline once loaded.
Transforms JSON into color-coded, well-structured, easy-to-read documents.
No subscriptions, no ads, no hidden fees. Free forever.
Desktop, tablet, or mobile. Any modern browser works perfectly.
Handle any size JSON file. No file size restrictions or usage limits.
JSONViewer is a free web-based tool designed to make JSON data easy to read and understand. Whether you're a developer debugging API responses, a data analyst reviewing structured data, or anyone working with JSON files, JSONViewer transforms raw JSON code into beautifully formatted, color-coded documents that are easy to navigate and comprehend.
Unlike other JSON viewers that just show you the code structure, JSONViewer renders your JSON content as an actual document - showing objectives, key points, clinical notes, tables, and more in a professional, readable format. It's perfect for educational content, API documentation, data analysis, and any scenario where you need to present JSON data in a human-friendly way.
Key Features: Upload JSON files or paste directly β’ Color-coded syntax β’ Collapsible sections β’ Renders tables, lists, and formatted content β’ Works offline β’ No data collection β’ Open source
JSONViewer is completely free and will always remain free. If you find it useful and want to support its development and maintenance, consider making a Bitcoin donation. Every contribution helps keep this tool alive and ad-free!