JSON Formatter - JSONLY

Beautiful JSON formatter with modern UI - format, validate, and beautify JSON data

JSONLY - Beautiful, Fast, and Smart JSON Formatter Format, Beautify, Validate, and Explore JSON Instantly — All in Your Browser. Tired of messy, hard-to-read JSON data? JSONLY transforms raw JSON into a clean, structured, and visually appealing format — instantly. Whether you're a developer, tester, data analyst, or just working with APIs, JSONLY helps you understand and debug your JSON data faster and more efficiently. 🚀 Key Features: ✅ Instant JSON Formatting Auto-detects and beautifies JSON on any valid JSON page, local file, or API response. No need to copy-paste into third-party tools. 🎨 Clean & Modern UI Experience a clutter-free, beautifully designed interface with collapsible trees, syntax highlighting, and intuitive layout. 🌗 Light & Dark Themes Switch between light and dark modes effortlessly. Choose from multiple themes to suit your preference or match your system setting. 🧭 Tree View Navigation Explore deeply nested structures with ease using collapsible sections and clear indent guides. 🔗 Clickable URLs JSONLY automatically detects URLs in your JSON and makes them clickable — open links directly without copying. 🖼️ Image & Color Previews Detects image URLs and color codes in your JSON and shows inline previews or color swatches. 🕒 Human-Readable Timestamps Instantly convert UNIX or ISO timestamps into human-readable formats. ⚙️ Multiple Viewing Modes Toggle between Raw, Formatted Raw, and Parsed views with a single click or keyboard shortcuts. 📁 Works Locally & Offline Works on local files and doesn't require internet access. Enable file URL access in extension settings to use locally. 🔐 100% Privacy-Focused No tracking, no data collection, no ads. All processing happens in your browser — your JSON data never leaves your device. 🎯 Who Is JSONLY For? Developers working with REST APIs or webhooks QA/Testers validating JSON responses Analysts & Data Engineers exploring structured data Students & Learners understanding JSON format easily Whether you're inspecting API responses or debugging deeply nested data, JSONLY makes it effortless to parse and interact with JSON directly in Chrome. 🧩 Pro Tips Collapse/Expand All: Use shortcuts to fold or unfold large trees. Persistent Theme Settings: Your chosen theme is remembered every time. Export to JSONLint: Need to edit your JSON? Easily export it for validation or sharing. ⚙️ Setup Tips To ensure JSONLY works on all sites and local files: Go to Extension Settings Enable "Allow access to file URLs" for local JSON files Set permission to “On all sites” for JSON on webpages 🌍 Open Source & Actively Maintained JSONLY is proudly open source and built with care for developers like you. Feedback, bug reports, or contributions are always welcome! 🧪 Try JSONLY Now! Install JSONLY and instantly transform chaotic raw JSON into clean, structured, and interactive data. Boost your productivity and enjoy a better way to view, analyze, and work with JSON — directly in Chrome. JSON doesn’t have to be ugly. With JSONLY, it’s beautifully simple.