Image Compressor for Mac
Compress thousands of JPG, PNG, WebP, AVIF, and TIFF images on your Mac in one batch. 100% offline, zero cloud uploads, and natively optimized for Apple Silicon M1, M2, M3, M4 and Intel.
Free forever · macOS 11+ · Apple Silicon (M1–M4) & Intel · Universal DMG · No registration
Batch compress thousands of images on Mac
Browser tools throttle after 20 files. FastCompressor has no batch ceilings. Drop your entire client gallery, e-commerce catalog, or photography session and compress hundreds of images in seconds.
Optimized to leverage both Performance and Efficiency cores on Apple Silicon, compressing media silently without thermal throttling or fan noise.
Apple Silicon Advantage
Unified Memory Speed
Zero CPU-to-GPU memory transfer lag
Silent Operation
Runs whisper-quiet on MacBook Air
Sandboxed & Signed
Apple Gatekeeper verified distribution
Drop a folder. Compress everything inside.
Drag any Mac folder directly from Finder into FastCompressor. The app traverses every nested subfolder recursively, optimizes all supported images and videos, and saves the results preserving your original directory structure.
- Recursively optimizes nested folder hierarchies
- Mixes JPG, PNG, WebP, AVIF, and TIFF in one drag
- All CPU cores active simultaneously in parallel
- Save alongside original assets or to any custom folder
- Seamless macOS Finder drag-and-drop integration
macOS Folder-Level Automation
Recursive subfolder tree preservation
100% offline & private on your Mac
Zero cloud uploads. Zero remote tracking. Everything stays on your Mac.
Fully Offline Mac Execution
FastCompressor is a native macOS application. After downloading the DMG, zero internet is required. Compress media in studios, on planes, or on metered mobile hotspots without waiting for uploads.
- No Wi-Fi required after installation
- Zero network delay or server downtime
Total Privacy for Client Files
Online tools require pushing confidential photos to remote cloud servers. FastCompressor processes files purely on your Mac chip. Ideal for confidential brand designs and NDA work.
- Files never leave your Mac disk
- No user accounts or cloud tracking
Image compressor for Apple Silicon — M1, M2, M3, M4
FastCompressor ships as a Universal Binary. One download runs natively on every Apple Silicon chip with zero emulation overhead.
M1 / M1 Pro / M1 Max / M1 Ultra
MacBook Air, MacBook Pro, Mac mini, iMac, Mac Studio, Mac Pro (2020–2022)
M2 / M2 Pro / M2 Max / M2 Ultra
MacBook Air, MacBook Pro, Mac mini, Mac Studio, Mac Pro (2022–2023)
M3 / M3 Pro / M3 Max
MacBook Air, MacBook Pro, iMac (2023–2024)
M4 / M4 Pro / M4 Max
MacBook Air, MacBook Pro, Mac mini, iMac (2024–2025)
Intel 64-bit (Core i5 / i7 / i9)
Any Intel Mac running macOS 11 Big Sur or later
macOS version compatibility
Tested and verified across all modern macOS releases.
Supported formats on macOS
One native Mac app for your entire photo and video library.
JPG / JPEG
Camera & web photos
PNG
Lossless transparency
WebP
Modern web standard
AVIF
Next-gen compression
TIFF
16-bit RAW exports
GIF
Animated sequences
SVG
Vector graphics
Document compression
MP4
H.264 / H.265 video
MOV
QuickTime recordings
FastCompressor vs. ImageOptim
How FastCompressor compares to the traditional Mac image optimizer.
Images only
Not supported
Preset-only toggles
Flattens output
macOS only
Free only, no Pro tier
Real-world compression results on Mac
Typical before/after results using Smart Auto mode on Apple Silicon.
Original high-resolution camera photo before processing.
Lossless visual quality with 90% space reduction.
Frequently Asked Questions
Common questions about image compressor software for Mac.
Is this image compressor for Mac free?
Yes. FastCompressor is free to download for Mac. You can compress up to 20 files per session forever — no watermarks, no expiry, and no account required. An optional one-time $19 Pro upgrade unlocks unlimited batches.
Does this Mac image compressor support Apple Silicon (M1, M2, M3, M4)?
Yes. FastCompressor ships as a Universal Binary that runs natively on all Apple Silicon chips — M1, M2, M3, and M4, including Pro, Max, and Ultra variants — delivering full native performance without Rosetta translation.
Does this image compressor work on Intel Macs?
Yes. The Universal Binary also runs natively on Intel 64-bit Macs running macOS 11 Big Sur or later.
Which macOS versions are supported?
FastCompressor supports macOS 11 Big Sur through macOS 15 Sequoia. It is thoroughly verified on the latest macOS releases.
Can I batch compress thousands of photos on Mac?
Yes. Drop an entire folder of photos — iPhone shots, DSLR exports, design assets — and FastCompressor compresses every file simultaneously using your Mac's CPU cores. There is no per-file cap.
Does this Mac photo compressor work completely offline?
Yes, 100% offline. All compression runs on your Mac locally. No internet connection is needed after installation. Your files never leave your device.
How does FastCompressor compare to ImageOptim for Mac?
FastCompressor adds video compression (MP4, MOV), AVIF output, granular quality sliders per format, and an optional Pro tier for unlimited batches — none of which ImageOptim supports. Both are free to start, but FastCompressor also includes a Windows version under the same license.
Is there a Mac image compressor that supports WebP and AVIF?
Yes. FastCompressor supports JPG, PNG, WebP, AVIF, TIFF, GIF, SVG, PDF, MP4, and MOV — all from a single native macOS app.
Download the best free image compressor for Mac
Compress thousands of images in one batch on your Mac. Fully offline. Zero cloud uploads. No file size limits. Universal Binary for Apple Silicon M1, M2, M3 & M4.
Free forever · macOS 11+ · Apple Silicon & Intel · No account required