SingleFile
Save a complete web page as a single HTML file with SingleFile, a browser extension for keeping a copy of the page.
About SingleFile
SingleFile saves a complete web page into a single HTML file. It is built as a web extension and also as a command line tool. The project is open source under the AGPL-3.0 license, and its code is hosted in a GitHub repository.
Pricing is not clearly stated.
Key features
- Works in Chrome, Firefox, Edge, Safari and other browsers
- Saves the current tab, selected content, or a selected frame
- Processes selected, unpinned, or all tabs in one click
- Annotates pages by highlighting text, adding notes, or removing content
- Auto-saves pages after they load
- Uploads saved pages to Google Drive or GitHub when enabled
- Adds a proof of existence by linking a SHA256 hash to the blockchain when enabled
Watch out for
- Cloud upload and proof of existence need to be enabled in the options page
SingleFile at a glance
- Category
- Software & Utilities › Browser Extensions
- Type
- App
- Pricing
- Not confirmed. Check the site
- Platforms
- Browser extension, Android, iOS, macOS
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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SingleFile FAQ
Where can I install SingleFile?
It can be installed from browser extension stores, including Firefox, Firefox for Android, Chrome, Safari for macOS and iOS, and Microsoft Edge. The project also describes a manual install from a downloaded zip file.
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