OptiImage is described as 'Optimize images efficiently supporting PNG, JPEG, WebP, and SVG with flexible compression settings offering safe mode to prevent data loss' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to OptiImage for a variety of platforms, including Windows, Web-based, Mac, Linux and SaaS apps. The best OptiImage alternative is ImageMagick, which is both free and Open Source. Other great apps like OptiImage are Caesium Image Compressor, FileOptimizer, TinyFast and ImageOptim.
ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.
Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.
FileOptimizer is a lossless file size optimizer supporting AIR, APK, APNG APPX, BMP, CBZ, DOCX, DLL, EPUB, EXE, GIF, GZ, ICO, JAR, JPEG, MNG, MP3, MPP, PNG, PPTX, ODT, OGG, OGV, PDF, PUB, SCR, SWF, TIF, VSD, WEBP, XAP, XLSX, and ZIP file formats among others.
Compress images, videos, and PDFs directly on your Mac with local batch processing, no internet required, and full privacy. Features drag-and-drop workflow, smart quality preservation, on-device optimization, and subscription options for premium tools.
ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).
Compress images with pixel-perfect precision using advanced algorithms that preserve quality while dramatically reducing file sizes.
Free macOS tool for compressing images, videos, and PDFs—just drag and drop to support numerous formats, flatten or rewrite PDFs, remove metadata, set size targets, preserve quality, and save compressed files alongside originals without internet required.
Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then choosing the right parameters are the key factors of smaller files.
TrimrPix shrinks image file sizes on your Mac without visible quality loss. Supports JPEG, PNG, GIF, WebP, AVIF, and HEIC. Drag, drop, done — fully offline, no subscriptions.
Image Normalizer is a cross-platform command-line batch-processing tool that resizes and compresses images, transforming each image by:
Batch image compression for Mac — supports PNG, JPEG, GIF, WebP, SVG, HEIC with local processing, drag & drop, and quality preview.
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