JSON Formatter - JSONLY

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.