Open-source licenses
This site uses and ships the following open-source projects — thank you to their authors. Each is used under its license; the full license texts are included on this site (click “License text”).
| Project | Version | Copyright | License | Links |
|---|---|---|---|---|
| Pico CSS Base layout styles | 2.1.1 | Copyright (c) 2019-2025 Pico | MIT | Source code License text |
| Lucide Icons (lucide-static) Interface icons (inline SVG) | 1.55.0 | Copyright (c) Lucide Icons and Contributors (some icons derived from Feather, Copyright (c) 2013-2023 Cole Bemis) | ISC (Feather parts: MIT) | Source code License text |
| ONNX Runtime Web (onnxruntime-web) In-browser AI inference engine | 1.20.1 | Copyright (c) Microsoft Corporation | MIT | Source code License text |
| Real-ESRGAN realesr-general-x4v3 model AI image upscaling | v0.2.5.0 (ONNX export) | Copyright (c) 2021, Xintao Wang | BSD-3-Clause | Source code License text |
| U²-Net u2netp model AI background removal | u2netp (ONNX file from the rembg release) | Copyright (c) 2020 Xuebin Qin; ONNX file published by danielgatis/rembg (MIT) | Apache-2.0 | Source code rembg License text |
| PDF.js (pdfjs-dist, legacy) PDF to images | 3.11.174 | Copyright (c) Mozilla Foundation and contributors | Apache-2.0 | Source code License text |
| qrcode-generator QR code generation | 1.4.4 | Copyright (c) 2009 Kazuhiko Arase | MIT | Source code License text |
| jsQR QR code reading | 1.4.0 | Copyright (c) Cosmo Wolfe | Apache-2.0 | Source code License text |
| gif.js GIF animation encoding | 0.2.0 | Copyright (c) 2013-2018 Johan Nordberg | MIT | Source code License text |
Build tools (not shipped with the site)
The Simplified Chinese edition is converted with OpenCC(Apache-2.0) at build time and then proofread; the site itself contains no OpenCC code or dictionaries.
Original content
Apart from the third-party projects above, the site’s code (calculations, image processing, ZIP/EXIF/ICO/PDF generation, etc.), icons, design and text are original.
If you believe any content on this site infringes your rights, or a license notice is wrong, please tell us via Feedback or email ai2chuio@mail.grokbot.com and we will fix or remove it promptly.