PSDraw is built on open-source software. The components that process your files are listed here with their licenses. LibRaw's WebAssembly build ships as a separate file loaded only when a RAW file needs it; its source is not modified. This page does not use LibRaw or Adobe trademarks or logos.
RAW decoding, metadata, white balance / exposure / highlight recovery for full-quality develop
Reading EXIF (capture time, camera, lens, orientation)
Writing EXIF back into exported JPGs
High-quality JPEG encoding
WebP encoding
Reading and writing PSD files
ZIP packaging for batch and all-layers exports