Free & Secure

The Best CSV Viewer
Chrome Extension

View, search, and filter CSV data in a clean, interactive table directly in your browser. No upload required.

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 Ultimate CSV Reader Chrome Extension

Reading raw CSV or TSV files in a browser usually results in a messy wall of text. Parsy solves this by acting as a powerful CSV Viewer Chrome Extension that instantly parses tabular data and presents it in a clean, readable table format directly in your active tab.

Forget about downloading files and opening them in Excel or Google Sheets just to take a quick look. Parsy automatically detects delimiters, handles large datasets efficiently, and provides real-time filtering so you can easily analyze data dumps, logs, and exports on the fly.

Fast, Local, and Secure

Because Parsy processes everything locally in your browser using pure JavaScript, it's incredibly fast and 100% secure. Whether you're a data scientist, developer, or analyst, this tool will dramatically speed up your workflow without compromising data privacy.