Free & Secure

Local Markdown Preview
Chrome Extension

Render and preview Markdown files instantly in your browser with GitHub-flavored styling and dark mode.

Parsy JSON tree view

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

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.

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

The Best Markdown Preview Chrome Extension

Need to quickly read a `README.md` or a local documentation file without opening a heavy IDE? Parsy acts as a lightning-fast Markdown Viewer Chrome Extension that renders `.md` files beautifully right inside your browser.

We use GitHub-flavored styling to ensure your tables, code blocks, lists, and blockquotes look exactly as you expect. Simply drag and drop any local Markdown file into your browser, or navigate to a raw `.md` URL, and Parsy will render it instantly.

Built for Readability

With support for both dark and light modes, Parsy provides a premium reading experience. It runs completely offline with zero dependencies, making it the most secure and efficient way to read Markdown documentation on the go.