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Open source credits

ToHD is built on open source work. Thank you to the people behind these projects.

websr

Fast mode uses websr by Sam Bhattacharyya, with its CNN 2x weights for real footage, under the MIT license.

MIT License

Copyright (c) 2023 Sam Bhattacharyya

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Real-ESRGAN

AI enhance and cloud processing use the realesr general x4v3 model from Real-ESRGAN by Xintao Wang and contributors, released under the BSD 3-Clause license. We converted the published weights to ONNX with fp16 compute for faster in-browser inference.

Video and AI runtime

  • Mediabunny by Vanilagy reads, decodes, encodes and writes the video files in your browser. Mozilla Public License 2.0; we use it unmodified, and its source is available at the link.
  • ONNX Runtime Web by Microsoft runs the AI model on your graphics card through WebGPU. MIT license.

Sample footage

The before and after examples come from free Pexels videos, which we scaled down and upscaled in our own tests:

Fonts and icons

  • Geist and Geist Mono by Vercel, SIL Open Font License 1.1.
  • Lucide icons, ISC license.