Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.
ImageOptim Alternatives
ImageOptim is described as '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)' and is a popular Image Optimizer in the photos & graphics category. There are more than 100 alternatives to ImageOptim for a variety of platforms, including Windows, Web-based, Mac, Linux and SaaS apps. The best ImageOptim alternative is ImageMagick, which is both free and Open Source. Other great apps like ImageOptim are Caesium Image Compressor, Dinky, FileOptimizer and OptiImage.
Alternatives list
Simple local image converter for Windows and Linux, built to optimize images into WebP and AVIF without upload or download steps.
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Compress hundreds of images in seconds. Everything stays on your computer. No uploads, no accounts, no subscription.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Windows
- Online
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
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Compress Tool provides Free Online Web and Image Tools for JPG, JPEG, PNG, GIF, BMP, ICO, HEIC and WEBP! It supports all image formats for Compression and Converters!.
34 ETK Image Compressor Pro alternativesETK Image Compressor Pro is a fast, lightweight Windows app that drastically reduces image file sizes while keeping excellent visual quality. Supports adjustable quality for WebP,PNG, TGA, EXR, JPEG, batch compression, 8K images, and works fully offline.
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Free browser tool for compressing, converting, and resizing bulk JPEG, PNG, WebP, and AVIF images entirely locally with WebAssembly, offering fast, private, unlimited processing, multi-core support, offline use, and ZIP export that keeps folder structure.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)
Fast, 100% offline, privacy-first image compressor and HEIC/WebP converter running locally in your browser via WebAssembly.
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Modernize your WordPress media library with high-performance WebP/AVIF conversion, AI-powered auto-tagging, and zero-load cloud optimization.
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A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
Cost / License
- Free
- Proprietary
Platforms
- Online
LocallyTools is a free local toolbox, offering various practical tools such as image compression, PDF processing, developer tools, etc. 100% local processing, zero upload, zero risk, fully protecting privacy and security. Supports offline use, no registration required.
Cost / License
- Free
- Proprietary
Platforms
- Online
SciZone is an intelligently engineered media optimization tool designed for speed, quality, and absolute privacy. Unlike traditional online converters that upload your sensitive images to a server, SciZone uses advanced WebAssembly and multi-threading technology to process...
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