Best GitHub, GitLab & code hosting Chrome extensions (2026)
The 20 most-used GitHub, GitLab & code hosting on the Chrome Web Store, ranked by real store users. Listings rated under 3 stars on 20+ ratings are left out. GitHub file trees, PR review helpers, diff tools, repository stats, GitLab/Bitbucket helpers, Jira/Linear links, code snippets.
Top 20 GitHub, GitLab & code hosting, ranked
- 1
JSON Formatter
Makes JSON easy to read
≈2M users4.3★ from 2.1K ratingsUpdated 5 months ago3 permissions - 2
Violentmonkey
An open source userscript manager that supports a lot of browsers
≈1M users4.6★ from 750 ratingsUpdated 4 weeks ago15 permissions - 3
Microsoft Multimedia Redirection
Redirection of multimedia content when using Azure Virtual Desktop and Windows 365.
≈600K users5.0★ from 1 ratingUpdated 3 weeks ago2 permissions - 4
Markdown Viewer
Dark Mode • Themes • Autoreload • Mermaid Diagrams • MathJax • ToC • Syntax Highlighting
≈500K users4.3★ from 427 ratingsNot updated for 2+ years3 permissions - 5
Passbolt - Open source password manager
Passbolt extension for the open source password manager for teams.
≈400K users4.1★ from 105 ratingsUpdated 4 weeks ago12 permissions - 6
Octotree - GitHub code tree
GitHub on steroids
≈200K users4.9★ from 1.1K ratingsUpdated 8 days ago6 permissions - 7
My Assistant
My Assistant — AI assistant available on any page.
≈200K usersNot rated yetUpdated 3 months ago10 permissions - 8
Markdown Here
Write your email in Markdown, then make it pretty.
≈100K users4.5★ from 373 ratingsUpdated 15 months ago4 permissions - 9
Open in Colab
Open a Github-hosted notebook in Google Colab
≈100K users3.7★ from 26 ratingsUpdated 11 months ago1 permissions - 10
Violentmonkey BETA
An open source userscript manager that supports a lot of browsers
≈100K users4.3★ from 20 ratingsUpdated in the last day16 permissions - 11
Markdown Reader
The best way to preview Markdown in your browser.
≈100K users4.7★ from 132 ratingsUpdated 8 days ago3 permissions - 12
Refined GitHub
Simplifies the GitHub interface and adds useful features
≈100K users4.8★ from 271 ratingsUpdated 11 days ago7 permissions - 13
Local Explorer - Open File Links in Chrome
Enable local file links to hard disk, Azure AD & company shared folders, mapped network drive directly in corporate/local host site.
≈100K users3.6★ from 324 ratingsUpdated 6 months ago2 permissions - 14
Katalon Recorder (Selenium tests generator)
Selenium IDE alternative to record and export Selenium scripts. With reports & screenshots. Fast & open-source.
≈100K users4.1★ from 268 ratingsUpdated 5 weeks ago15 permissions - 15
Tabs Outliner
The Next Generation Session Manager; A Really Working Too Many Open Tabs Solution; And Your Browsing Notebook.
≈100K users4.4★ from 3.3K ratingsUpdated 3 months ago6 permissions - 16
Markdown Preview Plus
Converts and previews markdown files (.md, .markdown) to HTML(include TOC) right inside Chrome and support live reload
≈90K users4.1★ from 236 ratingsUpdated 4 months ago3 permissions - 17
Read Frog - AI Translation & Flashcards
Bilingual AI translation for web pages and YouTube, Netflix and X subtitles. Save new words and review them as flashcards.
≈90K users4.7★ from 115 ratingsUpdated in the last day12 permissions - 18
JetBrains Toolbox Extension
Clone and open projects from GitHub, GitLab, Gitee, and Bitbucket in JetBrains IDEs right from your browser
≈80K users3.9★ from 121 ratingsUpdated 14 months ago8 permissions - 19
Screenshot Helper
Screenshot Helper — минималистичный инструмент для скриншотов с областями Screenshot Helper — это лёгкое и open-source расширение,…
≈70K users4.3★ from 28 ratingsUpdated 17 months ago3 permissions - 20
Jira Assistant: Worklog, Sprint report, etc
Help to track & upload work done on a Jira Ticket on timely basis and generate Worklog, Sprint and other custom reports.
≈70K users4.8★ from 206 ratingsUpdated 13 months ago6 permissions
Head-to-head comparisons
GitHub, GitLab & code hosting: questions
What is the most popular GitHub, GitLab & code hosting Chrome extension?
JSON Formatter is the most used, with ≈2M users and a 4.3-star rating. Violentmonkey is next with ≈1M users.
Which GitHub, GitLab & code hosting extension has the best rating?
Of the listings with 100+ ratings, Octotree - GitHub code tree rates highest: 4.9 out of 5 from 1.1K ratings.
Are these GitHub, GitLab & code hosting still maintained?
8 of the 20 listed here were updated in the last 30 days. Each card shows how recently it was updated.