| Component | Used for | License |
|---|---|---|
| @jsquash (jpeg, webp, avif, oxipng) Jamie Sinclair and contributors; MozJPEG, libwebp, libavif and oxipng authors |
High-quality JPEG, WebP, AVIF and PNG encoding | Apache-2.0 |
| ag-psd Agamnentzar |
Reading PSD files | MIT |
| Chart.js Chart.js contributors |
Chart tools | MIT |
| Delaunator Mapbox |
Low-poly effect | ISC |
| exifr Mike Kovařík |
Reading photo metadata | MIT |
| Fabric.js Fabric.js contributors |
Photo editor and text tools | MIT |
| fflate Arjun Barrett |
Creating ZIP files | MIT |
| gifenc Matt DesLauriers |
Encoding GIFs | MIT |
| gifuct-js Matt Way |
Decoding GIFs | MIT |
| ImageTracer.js András Jankovics |
Image to SVG tracing | Unlicense (public domain) |
| JBIG2 decoder (PDFium) The PDFium Authors |
JBIG2 images inside PDFs (via PDF.js) | BSD-3-Clause |
| js-md5 Yi-Cyuan Chen |
MD5 hashes | MIT |
| MODNet portrait matting model Zhanghan Ke et al.; ONNX conversion by Xenova (Joshua Lochner) |
Remove Background (one-click portraits) | Apache-2.0 |
| mp4-muxer Vanilagy |
Writing MP4 videos | MIT |
| ONNX Runtime Web Microsoft Corporation |
Running AI models in the browser (Remove Background, Blur Face) | MIT |
| OpenJPEG OpenJPEG contributors |
JPEG 2000 images inside PDFs (via PDF.js) | BSD-2-Clause |
| pdf-lib Andrew Dillon |
Creating PDF files | MIT |
| PDF.js Mozilla Foundation |
Reading PDF and AI files | Apache-2.0 |
| pica Vitaly Puzrin |
High-quality resizing | MIT |
| piexifjs hMatoba |
Editing photo metadata | MIT |
| qcms Mozilla Corporation, Marti Maria |
Color profiles inside PDFs (via PDF.js) | MIT |
| Segment Anything Model 2.1 (SAM 2.1) Meta Platforms, Inc.; ONNX export by the onnx-community project |
Remove Background (tap to select) | Apache-2.0 |
| StackBlur Mario Klingemann, Brett Zamir |
Fast blur | MIT |
| SunCalc Vladimir Agafonkin |
Golden hour times | BSD-2-Clause |
| SVGO SVGO contributors |
Optimizing SVG files | MIT |
| tessdata_best language data Tesseract OCR contributors |
Image to Text languages (converted to integer models) | Apache-2.0 |
| Tesseract OCR and tesseract.js-core Tesseract OCR contributors; Jerome Wu and contributors |
Image to Text engine | Apache-2.0 |
| Tesseract.js Project Naptha and contributors; Tesseract OCR by Google and contributors |
Image to text | Apache-2.0 |
| UPNG.js Photopea (Ivan Kuckir) |
Lossy PNG compression | MIT |
| UTIF.js Photopea (Ivan Kuckir) |
Reading and writing TIFF files | MIT |
| YuNet face detection model Shiqi Yu et al., OpenCV Zoo |
Blur Face | MIT |
The full license texts and copyright notices of every bundled package are in third-party-licenses.txt. Models, fonts and data files keep their license next to them in /models and /vendor.