Open Source Acknowledgments

H264.online is built on the shoulders of giants. We are deeply grateful to the open source community and the following projects that make our service possible.

🎯 Our Commitment to Open Source

We are committed to full compliance with all open source licenses. All video processing happens locally in your browser - we do not run FFmpeg on our servers, ensuring we respect the LGPL license and your privacy.

Core Technologies

🎬

FFmpeg.wasm

The heart of our video processing capabilities. FFmpeg.wasm is a pure WebAssembly port of FFmpeg, enabling video processing directly in your browser.

License: LGPL v2.1+

Version: 0.12.x

Website: ffmpegwasm.netlify.app

GitHub: github.com/ffmpegwasm/ffmpeg.wasm

✅ License Compliance: We use FFmpeg.wasm client-side only. All processing happens in your browser. We do not modify or redistribute FFmpeg binaries. Source code is available at the links above.

🎥

FFmpeg

The legendary multimedia framework that powers video processing worldwide. FFmpeg is the foundation upon which FFmpeg.wasm is built.

License: LGPL v2.1+ / GPL v2+

Website: ffmpeg.org

Source Code: github.com/FFmpeg/FFmpeg

About FFmpeg's "Hall of Shame":

FFmpeg maintains a Hall of Shame listing projects that violate the LGPL/GPL license. We are committed to staying off this list by fully complying with all license requirements, providing proper attribution, and using FFmpeg exclusively client-side.

🚀

Astro

The modern web framework that powers our static site generation and delivers blazing-fast performance.

License: MIT

Website: astro.build

⚛️

React

The JavaScript library for building interactive user interfaces and components.

License: MIT

Website: react.dev

🎨

Tailwind CSS

A utility-first CSS framework that powers our modern, responsive design system.

License: MIT

Website: tailwindcss.com

Additional Dependencies

Our project also relies on these excellent open source libraries:

TypeScript

Type-safe JavaScript development

Apache 2.0 License

Vite

Next generation frontend tooling

MIT License

@tailwindcss/typography

Beautiful typographic defaults for prose content

MIT License

@astrojs/sitemap

Automatic sitemap generation for better SEO

MIT License

License Information

LGPL Compliance Statement

This website uses FFmpeg.wasm, which is licensed under the LGPL v2.1+. We comply with the LGPL license by:

Using FFmpeg.wasm as a library without modification
Running FFmpeg entirely client-side in the user's browser
Not distributing FFmpeg binaries from our servers
Providing clear attribution and links to source code
Not imposing additional restrictions on users

Source Code Availability

In accordance with open source licenses, the source code for all LGPL/GPL components is available:

FFmpeg: github.com/FFmpeg/FFmpeg
FFmpeg.wasm: github.com/ffmpegwasm/ffmpeg.wasm

Our Gratitude

We are immensely grateful to all the developers, maintainers, and contributors of these open source projects. Their dedication and hard work make projects like ours possible. If you find our service useful, please consider supporting these projects:

⭐ Star their repositories on GitHub
💰 Sponsor or donate to the projects
🐛 Report bugs and contribute improvements
📢 Spread the word about these amazing tools

🤝 Standing with Open Source

We believe in the power of open source and are committed to being good citizens of the open source community. If you notice any license compliance issues, please contact us immediately.

Last updated: 11/26/2025
Questions? Contact us at admin@h264.online