Compress by format: pick the one you have
A page per format, with what each one throws away and how small it usually gets. JPG, PNG, GIF, WebP, AVIF, TIFF and PDF, all compressed on your Mac with nothing uploaded.
$29 once, updates included. No account, no subscription, works offline. Need 2, 5 or 10 Macs?
Compress JPG
JPG (also called JPEG) is the most common image format for photos. Compression reduces file size while maintaining acceptable visual quality.
Compress PNG
PNG files are lossless but can be very large. Compression optimizes the encoding without losing any quality.
Compress GIF
GIF animations can become very large. Compression reduces file size while preserving animation frames.
Compress WebP
WebP already offers good compression, but further optimization can reduce file sizes even more.
Compress TIFF
TIFF files are extremely large due to their lossless nature. Compression can significantly reduce storage needs.
Compress AVIF
AVIF already offers excellent compression, but Picmal can optimize encoding settings for even smaller files.
Compress PDF
PDF files with embedded images can be very large. Compression reduces the size of embedded images while keeping text sharp.
Guides
Compress images on Mac
The overview: how to make a photo smaller, what the quality slider costs you, and what to expect in MB.
How to reduce image file size on Mac
Resize, compress, convert, or strip metadata, with before and after numbers.
How to reduce your photo library size on Mac
Reclaim disk space without deleting photos.
Compress any file format with Picmal
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