Save an entire web page—including images and styling—as a single HTML file.

SingleFile: Save Entire Webpages as HTML in Firefox
"SingleFile" is a Firefox add-on created to simplify the process of saving webpages. It allows users to save the entire webpage, including its images, styling, frames, fonts and more into a single HTML file. It also offers a range of features from processing multiple tabs at once, aut0-saving loaded pages, customizable shortcuts, to options for saving directly to Google Drive or GitHub.
Add-on stats
Manifest V2
By: gildas
Rating: 4.76
3 new ratings
(923)
Weekly download count: 1,928
Firefox on Android: Yes
Permissions:
- identity
- menus
- downloads
- storage
- tabs
- <all_urls>
Size: 1.10M
Email: gi*****@gmail.com
URLs: Website ,Privacy policy
Full description: See detailed description
Ranking
# 270 ▲ 2
Other platforms
Not available on Android
User reviews
Pros
- Works as advertised
- Useful for archiving webpages
- Saves online data locally
- Lightweight alternative to PDFs
Cons
- Inconsistent performance on Android
- Some users experienced errors saving pages
- Limited save success rate on certain pages
Most mentioned
- Works as advertised
- Useful for archiving
- Issues with Android version
User reviews
by Firefox user 18860237, 2025-03-11
by Trainor, 2025-03-10
by Richard Liu, 2025-03-09
Add-on safety
Risk impact
SingleFile requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
- High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
- Medium ****** ********** ** ******** ********** *** ********* ******* ******** ****** ******** ****** ********
- Medium ****** ** ********* ****** ********* *** **** ****** **** **** ** ******* ** ********** **** ***********
- Low ******* ****** ** *** ********* ********
Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of SingleFile. Use it at your own risk.
Risk likelihood analysis details
- High This extension was recently updated in the past month. New updates may not be stable or safe.
- Medium **** ********* *** ****** **** ****** ********* ********** *** *** ** ****** ** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details