- mozjpeg bindings (or libjpeg, turbo).
- Exposes extensive knobs for compression settings.
- Supports true RGB/CMYK jpeg files as image.* equivalents, and fuzzy image format coercions.
- Supports all image.YCbCr subsampling ratios.
- This is geared for high-concurrency transcoding servers.
- Soft-fails w/o cgo by wrapping std Go jpg codec.
- openjpeg (JPEG2000).
- Used for maps and medical imaging.
- Very slow, but quality can even surpass webp.
- Pictures only, no tiling atm.
- cgo mandatory.
Libraries for other formats are out there. Consult imports in this demo application.