Free & Secure

The Best JSON Viewer
Chrome Extension

Parsy transforms raw API responses, config files, and tokens into beautiful, interactive views — instantly. No copy-pasting, no external tools.

Install on Chrome Use Web Version
Parsy JSON tree view
Supported Formats

One extension, 10 formats

Parsy automatically detects and renders the right view — no configuration needed.

JSON
Interactive tree view
XML / RSS
Attribute display
Sitemap
URL table view
CSV / TSV
Table + filter
YAML
K8s, Docker, configs
TOML
Rust, Hugo, npm
INI / ENV
Environment files
JWT
Decoded + expiry check
Markdown
GitHub-flavored preview
File Viewer
Drag & drop any file
Features

Built for developers

Every feature is crafted for speed and productivity. No bloat, no tracking.

Interactive Tree View

Collapsible nodes at every level. Click any value to copy it instantly. Auto-expand depth configurable from settings.

Real-Time Search

Press Ctrl+F to search across all keys and values. Navigate matches with Enter and Shift+Enter for lightning-fast inspection.

Dark & Light Themes

Premium glassmorphism design in both modes. Switch themes instantly from the toolbar or popup panel.

JWT Decoder

Navigate to a JWT and see decoded header, payload claims with human-readable timestamps, and visual expiry status.

File Viewer

Open the built-in viewer to drag & drop local files. Supports all formats — CSV, YAML, TOML, and more. 100% local.

Zero Dependencies

100% pure JavaScript. No external libraries, no network requests, no tracking. Your data never leaves your browser.

See it in action

Premium developer experience

Every pixel is designed to reduce friction and enhance readability.

JSON tree view
JSON Tree View — Dark Mode
CSV table view
CSV Table View — Filterable
File viewer
File Viewer — Drag & Drop
10
Formats supported
0
Dependencies
0 B
Data sent externally
∞
Files you can view

Stop squinting at raw data

Install Parsy in one click. Free forever, no account needed.

Install on Chrome — It's Free

Why is Parsy the Best JSON Viewer Chrome Extension?

As a developer, you encounter raw JSON APIs and config files daily. The default browser view is an unreadable wall of text. Parsy acts as an intelligent JSON Formatter and Viewer that automatically beautifies JSON data directly in your browser tab.

Enjoy a highly interactive tree view where you can collapse deeply nested objects, copy specific paths or values with a single click, and use the lightning-fast search (Ctrl+F) to pinpoint exactly what you need. It completely replaces the need for online JSON formatters that compromise your privacy.

Secure and Offline

Your JSON data never leaves your computer. Parsy processes everything locally using pure JavaScript. With no tracking, zero external dependencies, and a beautiful dark mode, it's the premium developer tool you've been waiting for.