Compresto - Video, Image & PDF Compression for macOS
Compresto v1.30 is here - Target File Size for Images, Custom GIF Dimensions & More!
Compress4K Videos
Formerly CompressX — now even faster
Compresto is a native macOS app that batch compresses videos, images, PDFs, and GIFs — up to 90% smaller with no quality loss, all offline on your Mac.
11,024+ professionals trust us to process 1,000,000 files, saving a massive 52,000 gigabytes in storage! 💾✨
4K video, a fraction of the size
Shrink MP4 and MOV files with hardware-accelerated compression — dramatically smaller, with no visible drop in quality.
Before: 32.1 MB, 4K
After: 13.3 MB, 4K
Lighter images, pixel-perfect
JPEG, PNG, and WebP compressed in seconds while keeping every detail crisp and sharp.
Before: 1 MB, JPEG
After: 408 KB, JPEG
Smooth GIFs, half the weight
Keep your loops buttery while cutting the file size in half — ideal for docs, chat, and the web.
Before: 16.7 MB, 640 × 360
After: 7.5 MB, 640 × 360
Smaller PDFs, same clarity
Compress image-heavy documents so they're easy to email and share — text stays sharp.
Before: 1.3 MB
After: 281 KB
Frequently Asked Questions
What is Compresto?+
Compresto is a native macOS app that batch compresses videos, images, PDFs, and GIFs. It reduces file sizes by up to 90% while preserving quality, and runs entirely offline on your Mac.
Which file types can Compresto compress?+
Compresto supports the most common media formats: MP4, MOV, and other major video codecs; PNG, JPEG, HEIC, WebP, TIFF, and GIF for images; and standard PDF files.
Does Compresto reduce image or video quality?+
Compresto offers multiple quality presets. At the Highest and High presets, quality loss is typically imperceptible to the naked eye. Lower presets trade more quality for smaller file sizes.
Does Compresto work offline?+
Yes. All compression happens locally on your Mac using Apple Silicon hardware acceleration. Your files never leave your device — there is no upload required.
Can Compresto batch compress multiple files?+
Yes. You can drop hundreds of files or entire folders into Compresto and it will process them in parallel with progress tracking.
How much can Compresto reduce file sizes?+
Typical reductions range from 50% to 90% depending on source format, codec, and the chosen quality preset. 4K videos often see the largest savings.