GitHub File Size Viewer

by Abhay · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Displays file and folder sizes on GitHub repositories (accurate folder size calculation included)

Users

100

+54 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#84K

#70K among extensions

Version

1.0

updated 21 Mar 2025

Users

monthly, 2 years

Latest, 16 Oct 2026: 100 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 16 Oct 2026: 1 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 GitHub File Size Viewer

GitHub File Size Viewer is a lightweight extension that displays the size of each file and folder in GitHub repositories. It uses the GitHub API to fetch details, including recursive folder sizes, making it easy to see the total size of nested directories. Features - Shows file sizes in KB, MB, or GB. - Recursively calculates folder sizes. - Uses your GitHub Personal Access Token to avoid rate limits. - Open-source and easy to set up. How to Use 1. Install the extension from the Chrome Web Store. 2. Upon first install, you’ll be prompted to enter your GitHub token (optional, but recommended). 3. Visit any GitHub repository’s file list. The sizes will appear next to each file/folder.