head to head · open source
hyperframes vs img2css
hyperframes has 77,640 GitHub stars, 7,133 forks, 200 open issues and last shipped yesterday. img2css has 2,500 stars, 187 forks, 5 open issues and last shipped 4 days ago. hyperframes leads on adoption by 3,006% (77,640 vs 2,500 stars). hyperframes is written in TypeScript under Apache-2.0; img2css is written in JavaScript under BSD-3-Clause. hyperframes has attracted 9% as many forks as stars, img2css 7%. hyperframes was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| hyperframes | img2css | |
|---|---|---|
| GitHub stars | ★ 78K | ★ 2.5K |
| License | Apache-2.0 | BSD-3-Clause |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 7.1K | ⑂ 187 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick hyperframes if
- You weight community size — 78K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick img2css if
- You want the img2css feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches JavaScript
- You evaluated both and img2css fits your workflow better
About hyperframes
Write HTML. Render video. Built for agents. Quickstart Showcase Playground Catalog Docs Discord HyperFrames is an open source framework for turning HTML, CSS, media, and seekable animations into deterministic MP4 videos. Use it locally with the CLI, from AI coding agents with skills, or as the rendering core behind hosted authoring workflows. Quick Start With an AI coding agent Install the HyperFrames skills, then describe the video you want: The picker opens with nothing pre selected — the Core Skills group is all you need: the /hyperframes router installs each creation workflow on demand. Agents and non…
read the full hyperframes overview →
About img2css
img2css Convert any image to pure CSS. To use it go to Looking for a programmatic way to do this? See I also made a per pixel animation experiment, see How does it work? It has two different outputs, pure css shadow matrix [1] and base64 embedded image [2]. Pure CSS : This output was created by resizing and setting each pixel as a box shadow of a single pixel div, so no img tag or background image is needed. This can result in huge outputs, and the use of this output is not recommended for production unless there is no other option. Base64 : The entire image file is embedded inside the tag using base64, so no…
read the full img2css overview →
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Frequently asked questions
Is hyperframes or img2css more popular?
hyperframes has 77,640 GitHub stars and img2css has 2,500. hyperframes has the larger community by that measure.
Are hyperframes and img2css free?
Both are open source. hyperframes is licensed under Apache-2.0 and img2css under BSD-3-Clause. Neither carries a licence fee.
What is the difference between hyperframes and img2css?
hyperframes is written in TypeScript and img2css in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, hyperframes or img2css?
Choose hyperframes if you want the larger community (77,640 stars) or its Apache-2.0 licence terms. Choose img2css if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.