Awesome browser extensions for GitHub 
A collection of awesome browser extensions for GitHub.
Table of Content
- Codecov: Code Coverage Overlay
- Contributors on GitHub
- Follow Me or Not
- GifHub
- GitHub AST Viewer
- GitHub Awesome Autocomplete
- GitHub Categoric
- GitHub Email Extractor
- GitHub Extended
- GitHub Grouped News
- GitHub Highlight Selected
- GitHub Hovercard
- GitHub Markdown Outline Extension
- GitHub Omnibar
- Github Plus
- GitHub Pr Filter
- Github Repo Size
- Github Travis Stat
- github.expandinizr
- Gitter Helper
- Hide files on GitHub
- Isometric Contributions
- Lovely forks
- MiniGitHub
- News Feed for GitHub
- Notifier for GitHub
- npm-hub
- Octo Mate
- OctoLinker
- Octomerge
- OctoPreview
- Octotree
- Pages2Repo
- PR file filter for Github
- Refined GitHub
- Review on GitHub
- Show All GitHub Issues
- Tab Size on GitHub
- Twitter for GitHub
- Where is it?
- ZenHub
Codecov: Code Coverage Overlay
Overlay code coverage in Github and Bitbucket. Supporting commits, blobs, blame, compare, pulls and more. Free for open source repositories.
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Contributors on GitHub
Show the # of PRs and other contributors stats in the Issues/PRs tab. Can be helpful for maintainers that want to know if it's a contributor's first PR.
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Follow Me or Not
Chrome extension to check if the GitHub profile you are visiting, follows you or not in a Twitter-like UI
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GifHub
A Chrome extension that adds a button on GitHub comment toolbars, allowing you to search for (and include) GIFs in comments.
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GitHub AST Viewer
View the abstract syntax tree (AST) of code on GitHub.
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GitHub Awesome Autocomplete
Simple and discreet extension that enhances GitHub's search, letting you search for repositories and people faster than ever.
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GitHub Categoric
Categorize your mixed GitHub notifications
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GitHub Email Extractor
Chrome extension to fetch the email ID of a user even if they haven't made it public on their GitHub profile
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| Before | After | | --- | --- | |  |  |GitHub Extended
A Chrome extension to discover more repositories
GitHub Grouped News
Group stars, forks, and other events in your dashboard/news feed.
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GitHub Highlight Selected
Highlight selected word in GitHub source view like Sublime Text.
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GitHub Hovercard
Neat user/repo/issue hovercard for GitHub.
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GitHub Markdown Outline Extension
Displays a clickable outline of all topic headers for markdown documents on GitHub
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GitHub Omnibar
Omnibar for GitHub just like bitbucket's
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Github Plus
Displays size of each file, download link and an option of copying file contents directly to clipboard
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GitHub Pr Filter
Add ability to filter files in pull requests.
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Github Repo Size
Automatically adds repository size to GitHub's repository summary.
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Github Travis Stat
This extension is to display travis-ci status for repos in github. There is a visual chart which shows build status and duration changes for recent 10 times.
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github.expandinizr
Add breakpoints at 1400px, 1600px and 1800px for full GitHub experience on large screens. Also removes the truncating of file and directory names in the repository browser.
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Gitter Helper
Makes it easy to see if a GitHub project has a Gitter room.
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Hide files on GitHub
Hide dotfiles from the GitHub file browser.
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Isometric Contributions
Allows you to toggle between the normal GitHub contribution chart and an isometric pixel art version.
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Lovely forks
See forks with the most stars under the names of repositories.
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MiniGitHub
An add-on for a quick gist of Github.
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News Feed for GitHub
A Chrome and Firefox extension that shows notifications when something happens in your GitHub news feed.
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Notifier for GitHub
Displays your GitHub notifications unread count. Supports GitHub Enterprise and an option to only show unread count for issues you're participating in. You can click the icon to quickly see your unread notifications.
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npm-hub
When viewing a repository on github.com that has a package.json file, this extension will introspect the dependencies in package.json and display links and description for each dependency, just below the repo's README.
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Octo Mate
Adds various useful features to GitHub:
- Download any file by clicking the file icon.
- Show tooltip of your unread notifications.
- Show Repo size.
- Show 'GH Page' link button if it has GitHub Pages.
- Tab size customising between 2/4/8 whitespace.
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OctoLinker
Octo-Linker is a Browser Extension which links NPM, bower, Composer & Duo dependencies to their GitHub repository page. It also solve require() statments in a .js, .jsx, .coffee or .md file.
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Octomerge
A missing button for automatic merge on build succeeds on Github. If you've reviewed a merge request, but the CI builds are still running, it can be annoying to have to wait for them to finish. This way, you don't have to wait for the builds to finish and remember to merge the request manually. Less waiting, more reviewing!
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OctoPreview
Displays live previews of Markdown comments while you type. Works with Issues + Pull Requests.
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Octotree
Useful for developers who frequently read source in GitHub and do not want to download or checkout too many repositories.
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Pages2Repo
Makes it easy to access repository info from a GitHub pages website.
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PR file filter for Github
This Chrome extension extends the file search of a pull request to allow for actual filtering with globs.
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Refined GitHub
Extension that simplifies the GitHub interface and adds useful features.
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Review on Github
Review repositories on GitHub like a Pull Request. This extension adds the ability to github.com to make notes in files and add them as a compiled list to an issue.
Show All GitHub Issues
Show both Issues and Pull Requests in the Issues tab by default. As it previously did.
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Tab Size on GitHub
Make tab indented code more readable by forcing the tab size to 4 instead of 8.
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Twitter for GitHub
Infers or tries to find GitHub users' Twitter handles and present them to you in the GitHub interface.
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Where is it?
Whereisit makes code navigation on GitHub easier. Look up and jump around class/method definitions with a single click.
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ZenHub
ZenHub is the first and only project management suite that works natively within GitHub; enhancing your workflow with features built specifically for startups, fast-moving engineering teams, and the open-source community. The product is a browser extension that injects advanced functionality including real-time drag-and-drop Issue Task Boards, peer feedback via a +1 button, and support for uploading any file type directly into the GitHub interface. ZenHub makes it easy to centralize all processes into GitHub, keeping your team lean and agile.