Set the output size
Choose a size limit, reduction percentage, or quality. Images compress automatically after you change settings, showing the actual file size.
IMAGE COMPRESSION FOR MAC
Compress images in batches
Set a file size limit
Set a limit such as 100 KB or 200 KB for a batch of images.
Or reduce file size by a percentage or adjust quality.
Coming to the Mac App Store¥9.9 One-time purchase. No subscription.
macOS 15+ · Intel & Apple Silicon · Fully offline
APP SCREENSHOTLIGHT AND DARK MODE
Export to new files without overwriting originals.JPEG · PNG · HEIC · WebP · AVIF
Compare before and after
Open the preview window to inspect details. Pan and zoom both images together, and compare file sizes and pixel dimensions.
Process locally, save a copy
Images are processed on your Mac with no uploads or account. Exports are saved as new files, with a number added if the name already exists.
FORMATS & DETAILS
Supported image formats
JPEG · PNG · HEIC / HEIF · WebP · AVIF · TIFF · BMP · RAW · GIF · APNG
Export still images as JPEG, PNG, HEIC, WebP, or AVIF; animations as GIF or WebP. RAW support depends on macOS and camera model. Output is sRGB SDR. Multi-page TIFF and animated AVIF are not supported.
Read the guide