Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- npm
Russia

Apps similar to ECT - Efficient Compression Tool include Caesium Image Compressor, which is free and open source. Other options are Dinky, XnConvert, GetCompress and ImageOptim. There's no shortage of Image Optimizers like ECT - Efficient Compression Tool, with more than 50 alternatives for Windows, Mac, Linux, the web and Android.

With Image Optimizer you can losslessly optimize your PNG, JPEG and GIF files and thus save your bandwidth and your users' time! Kraken recompresses images with blazing speed and strips metadata with image quality intact.
A Sharper Scaling is a high quality image scaling technology mainly developed for upscaling.



Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.

Leanify is a lightweight lossless file minifier/optimizer. It removes unnecessary data (debug information, comments, metadata, etc.) and recompress the file to reduce file size. It will not reduce image quality at all.
optimus.io offers lossless compression of images available with a WordPress plugin and via API.




Don’t spend another second worrying about compressing your images. Install Imgbot into your GitHub projects, and focus on your application.

The ultimate image optimization tool to compress your images in JPEG and PNG formats for sharing and posting on web pages.

Free native macOS image compressor for Apple Silicon. Drop PNG, JPEG, GIF, SVG, WebP, AVIF or HEIC files onto the window and get smaller copies beside the originals.




ETK 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.




Compress or convert images on the web with offline support. Images are not uploaded on server and processed on client with webassembly. Support for formats like JPEG, PNG, WebP, AVIF and JXL.

jStrip is a free tool to reduce the file size of JPEG images without sacrificing image quality. High-traffic websites with many JPEG images can benefit from decreased bandwidth costs. Less hard disk space will be used by image collectors.

