SingleFile
Operator: Gildas Lormeau
Free browser extension that saves web pages, including images and layout, as a single HTML file.
Evidence Preservation
Product
SingleFile
Availability and source date
Active
As of: 17 October 2026.
No functionality test has been performed.
Use in OSINT research
Saves web pages with their images, fonts and layout as files that can be read locally. Highlights and notes can be kept in the saved copy.
Queries
| Input | Result | Result type |
|---|---|---|
| URL | A single HTML file of the web page with embedded images, fonts and page styling. | Retrieved |
Features
- Save the current page, selected content or several browser tabs as individual files.
- Save web pages as HTML or self-extracting ZIP files.
- Highlight text, add notes and remove content before saving.
- Save pages automatically when they load or close, and process URL lists in batches.
- Optionally save to GitHub, Amazon S3, Google Drive or a WebDAV server.
- Automate web page capture on Windows, macOS and Linux with the companion SingleFile CLI.
Categories
- Evidence Preservation
- Web archives
Coverage
Dataset
Processes the current web page and its resources. It has no search database of its own.
Access
Installation and deployment
Browser extension · Locally installable
Saves locally in the browser. The companion SingleFile CLI runs on Windows, macOS and Linux; deployment with Docker is also documented.
Requirements
Browser extension for Chrome, Edge, Firefox or Safari. Local use does not require a SingleFile account. The companion command-line tool requires a supported browser.
Export
A single HTML file or a self-extracting ZIP file containing page resources. Optional storage on GitHub, S3, Google Drive or WebDAV.
Provider
Gildas Lormeau
Country of establishment
Unknown
Interfaces
No API, MCP or AI integration is documented.
Maintenance
Licence
AGPL-3.0
Latest activity
Release 10/2026
Stars
22,619 (as of 17 October 2026)
Legal note
Limitations
- Interactive maps, carousels and other JavaScript content may not work in saved pages with the default settings.
- Browsers block extensions on certain pages, including add-on marketplaces.
- SingleFile saves HTML or self-extracting ZIP files, rather than WARC files.
Guides and practical reports
Official · SingleFile: getting started and saving options
Gildas Lormeau · EN
Explains how to save pages and tabs, add highlights and notes, and enable automatic saving.