Note: This addon is designed to be used in conjunction with the open-source application ShareX (https://getsharex.com) to integrate with Firefox.
Adds 'Upload with ShareX' button to image, video, audio and text selection context menu.

ShareX Firefox Add-on: Seamless Sharing Experience
ShareX is an innovative Firefox add-on, designed to work in sync with the open-source application ShareX. It enhances the sharing experience, adding an 'Upload with ShareX' button to the context menu for images, videos, audio, and text selections. By integrating ShareX with your browser, you can quickly upload and share various types of content with ease.
Add-on stats
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User reviews
Pros
- Excellent screenshot software
- Superior replacement to other screenshot apps
- Works well once set up
Cons
- Requires activation in desktop app settings to function
- Not well explained or documented
- Addon alone does not provide functionality without the desktop app
Most mentioned
- Must enable 'Firefox Addon Support' in ShareX desktop app settings
- Communication with the desktop application is necessary for functionality
- Add-on doesn't work independently
User reviews
by Kanaan, 2025-01-21
by Razor, 2025-01-16
by Astone, 2024-10-26
Add-on safety
Risk impact
ShareX requires very minimum permissions.
Risk impact analysis details
- Medium Facilitates communication between extensions and native applications, usually low risk if managed correctly.
- Low ******* ****** ** *** ********* ********
Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of ShareX. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
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