head to head · open source

SingleFile vs thorium

SingleFile has 22,811 GitHub stars, 1,432 forks, 101 open issues and last shipped yesterday. thorium has 7,620 stars, 297 forks, 140 open issues and last shipped 23 days ago. SingleFile leads on adoption by 199% (22,811 vs 7,620 stars). SingleFile is written in JavaScript under AGPL-3.0; thorium is written in C++ under BSD-3-Clause. SingleFile has attracted 6% as many forks as stars, thorium 4%. SingleFile was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chrome), so they are genuine substitutes rather than adjacent tools.

Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.

SingleFile ★ 23K thorium ★ 7.6K category Productivity & Utilities

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Side by side

SingleFile thorium
GitHub stars ★ 23K ★ 7.6K
License AGPL-3.0 BSD-3-Clause
Written in JavaScript C++
Last push 2026-11-02 2026-10-11
Forks ⑂ 1.4K ⑂ 297
Self-hosting Yes Yes
Data ownership Your server Your server

pick SingleFile if

  • You weight community size — 23K stars and counting
  • You want the AGPL-3.0 license terms
  • Your stack matches JavaScript
  • You value the larger contributor base for long-term maintenance

full SingleFile profile →

pick thorium if

  • You want the thorium feature set and don't need the biggest community
  • You prefer the BSD-3-Clause license terms
  • Your stack matches C++
  • You evaluated both and thorium fits your workflow better

full thorium profile →

About SingleFile

SingleFile SingleFile helps you to save a complete web page into a single HTML file. SingleFile is a Web Extension (and a CLI tool) compatible with Chrome, Firefox (Desktop and Mobile), Microsoft Edge, Safari, Vivaldi, Brave, Waterfox, Yandex browser, and Opera. Table of Contents SingleFile Table of Contents Demo Install Getting started Additional notes FAQ Release notes Known Issues and Troubleshooting Command Line Interface (SingleFile CLI) Integration with user scripts File format comparison Projects using/compatible with SingleFile Privacy Policy Contributors Code derived from third party projects Icons…

read the full SingleFile overview →

About thorium

Thorium Chromium fork for linux named after radioactive element No. 90. Windows/MacOS/RasPi/Android/Other builds see below. Always built with the latest LTS version of Chromium. Intended to behave like and have the featureset of Google Chrome, with differences/patches/enhancements listed below. Compiler optimizations such as LTO, CFlag, LDFlag, LLVM Loop, and PGO, to make it FAST. :boom: In addition, we release builds tailored to different CPUs with different SIMD instructions, for even more execution speed. We offer SSE3, SSE4, AVX, and AVX2 builds, named as such in the Releases. If you are unsure which one to…

read the full thorium overview →

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Frequently asked questions

Is SingleFile or thorium more popular?

SingleFile has 22,811 GitHub stars and thorium has 7,620. SingleFile has the larger community by that measure.

Are SingleFile and thorium free?

Both are open source. SingleFile is licensed under AGPL-3.0 and thorium under BSD-3-Clause. Neither carries a licence fee.

What is the difference between SingleFile and thorium?

SingleFile is written in JavaScript and thorium in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.

Which should I choose, SingleFile or thorium?

Choose SingleFile if you want the larger community (22,811 stars) or its AGPL-3.0 licence terms. Choose thorium if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.