File Previewer icon

File Previewer

by prajapatijenil126@gmail.com · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 21 Oct 2026

Preview CSV, NPY, ZIP files directly in your GitHub side panel without any external tools & file download, along with theme support

Users
12
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#188K
#157K among extensions
Version
1.0.0
updated 1 Jan 2026

Users

monthly, 10 months
02,5005,000Jan 2026Jun 2026Oct 2026
Latest, 21 Oct 2026: 12 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months
001Jan 2026Jun 2026Oct 2026
Latest, 21 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About File Previewer

This extension is designed to solve the "download hassle" by allowing you to inspect complex data and compressed archives directly within the GitHub interface. By using a powerful preview engine in your side panel, it eliminates the need to constantly download, extract, and open files in external software just to verify their contents. What the extension does Numpy (.npy) Inspection: It provides an instant view of array data, including dtype and shape metadata, and allows for the conversion of these files into text or JSON formats. ZIP Archive Exploration: It features a VS Code-like nested file explorer that lets you browse inside .zip files without downloading them. Selective Access: You can view the size of individual files and folders within a ZIP and choose to download or preview only the specific items you need. Data Conversion: It converts CSV files into clean JSON previews and allows for quick "on the fly" exports. UI Integration: The tool blends into GitHub's native UI and supports Dark, Light, and System modes to match your environment. Why you should install it Save Time and Bandwidth: You no longer need to download large archives or data files only to realize they weren't the ones you were looking for. Streamlined Workflow: By keeping everything inside the GitHub tab, it prevents the disruption of switching between your browser, terminal, and local file explorer. Instant Visibility: It acts as "X-ray glasses" for GitHub, giving you immediate visibility into raw data formats like .npy that GitHub natively displays as "View Raw". Local Privacy: All parsing and processing happen locally in your browser’s memory, ensuring your data never leaves your machine. Efficient File Management: The size-tracking feature for folders and files within ZIPs helps you manage local storage by avoiding unnecessary bulk downloads.

Growth

WindowUsersChangeRatingsRating
7 days+3+33.3%00.00
30 days+1+9.1%00.00
6 months+9+300.0%00.00

Version history

1 versions recorded
1.0.01 Jan 2026

Details

Category
Tools
First seen
1 Jan 2026
Size
167 KB
Languages
en
Pricing
Free
Privacy policy
github.com
Support
github.com
Extension ID
ajfdibbbjmcnaomaoenoeelmhecbpkgb

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
sidePaneltabsstoragescriptingunlimitedStorage
Site access
https://github.com/*https://raw.githubusercontent.com/*

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