RasterFox - Image Optimizer 4+
Compress PNG, JPG, WebP images
Andrew Miller
-
- Free
- Offers In-App Purchases
Screenshots
Description
RasterFox is a crazy fast macOS app that optimizes and compresses your images (PNG, JPEG, WebP) using advanced compression algorithms while maintaining visual quality.
FEATURES:
• Crazy fast local processing - no internet required
• Multiple compression presets optimized for different use cases
• Batch processing for multiple images
• Smart format-specific optimization
• Side-by-side before/after preview
• Drag and drop interface
• Native Apple Silicon support
PERFECT FOR:
• Web developers optimizing site performance
• Photographers reducing file sizes
• App developers preparing assets
• Content creators managing storage
• Anyone looking to save disk space
COMPRESSION PRESETS:
• High Quality - Minimal compression for best quality
• Balanced - Optimal quality/size trade-off
• Small Size - Maximum compression
SMART OPTIMIZATION:
• PNG: Advanced compression and quantizing
• JPEG: Progressive encoding
• WebP: Lossy and lossless modes
• AVIF: Best and most modern image replacement format
• Automatic format detection
• Preserves metadata when needed
Privacy: https://rasterfox.app/privacy - All processing happens locally on your Mac. No images are uploaded to any server.
Terms of Use: https://rasterfox.app/terms
What’s New
Version 1.2.0
• All new and much improved custom PNG quantizer: QuantCrush for smoother gradients, and smaller sizes, same zoomy speed!
• Fixed zoom in preview to center on current viewport, not image center
Ratings and Reviews
Perfect replacement for ImageOptim
I’ve been using RasterFox for a while now and it’s quickly become my goto image optimizer. I used to rely on ImageOptim, but since that hasn’t seen updates in ages, RasterFox has stepped in and taken its place without missing a beat. It’s fast, reliable and does exactly what I need.
What I really appreciate is that it’s actively developed, you can tell there’s care and attention going into it. Solid app and an easy recommendation.
Developer Response ,
Thanks for the kind words. Check out 1.2.0 for much improved PNG optimization.
Trilby makes great products.
I am a huge fan of Trilby products—well thought out and well executed.
App Privacy
The developer, Andrew Miller, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Information
- Seller
- Andrew Miller
- Size
- 3.8 MB
- Category
- Graphics & Design
- Compatibility
-
- Mac
- Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- Languages
- Age Rating
- Learn More
- Copyright
- © 2025 Skulkworks
- Price
- Free
- In-App Purchases
-
- Pro Lifetime $9.99