Compressa
v1.0A batch image compressor that makes photos smaller and keeps them looking the same. Five compression modes, a live before and after preview, resizing and watch folders. Images only: for audio and video use our converters.
Not sure which Mac you have? Apple menu → About This Mac: Chip Apple M1, M2, M3… means M chip, Processor Intel… means Intel.
Features
What makes it great
Compresses JPEG, PNG, WebP, HEIC and AVIF, opens BMP, GIF, TIFF, ICO and SVG
Five modes: Auto, Target File Size, Reduce to %, Lossless and Smart
Smart mode measures SSIM and stops where the difference stops being visible
Live before and after preview with a draggable divider and a size estimate
Resize while compressing, plus Web, Email, Social and Archive presets
Watch folders optimize new images on their own; EXIF, GPS and ICC stay under your control
Screenshots
See it in action
Ready to get started?
Free to try. One-time purchase for $19.99 to unlock all features.