Apps similar to Optimizt include ImageMagick, which is free and open source. Other options are Caesium Image Compressor, ImageOptim, TinyFast and FileOptimizer. You're spoiled for choice with Image Optimizers like Optimizt: we list more than 50 alternatives for Windows, Mac, the web, Linux and Android.
WP Smush strips hidden, bulky information from your images, reducing the file size without losing quality. The faster your WordPress site loads, the more Google, Bing, Yahoo and other search engines will like it.
Australia
Squeezer is a PNG optimizer for Mac OSX that recompresses image files to a smaller size, without losing any information.
Switzerland
The JPEG Reducer is a frontend of the command line utility jpegtran, which is the lossless transformations expert inside the Independent JPEG Group's JPEG software package. The JPEG Reducer provides a graphical user interface, batch processing, a preview of the optimization...
WinLep is a software that compresses JPG images to LEP saving 22%. WinLep compresses JPEG and decompresses LEP, moreover it can display JPEG and LEP compressed files.
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.
France
EU
Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!.
Ukraine
Squash is a simple, powerful app for compressing and converting images for the web and more. Simply drop an image into Squash and it reduces the filesize while maintaining its quality.
United Kingdom
Smaller Images, Faster Sites, Happier Visitors. Comprehensive image optimization that doesn't require a degree in rocket science.
Modernize your WordPress media library with high-performance WebP/AVIF conversion, AI-powered auto-tagging, and zero-load cloud optimization.
Canada
A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
ToolsForImage is free and open-source platform for image compression, resizing, cropping, format conversion, rotation, watermarking, face blurring, and more.
GermanyEU
IMAGEmini, a powerful photo resizer and optimizer, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality and png, jpg, gif formats.
China
India
