
OptiPNG Alternatives
OptiPNG is described as 'Command-line PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections' and is a Image Optimizer in the os & utilities category. There are more than 50 alternatives to OptiPNG for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best OptiPNG alternative is Dinky, which is both free and Open Source. Other great apps like OptiPNG are ImageOptim, GetCompress, TinyFast and OptiImage.
Alternatives list

MAZANOKE is a simple image compressor and converter that runs entirely in your browser. No external uploads, works offline as a web app, and is powered by Browser Image Compression.


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- 74 iLoveIMG alternatives
iLoveIMG is an online service to work with images completely free and easy to use. Compress images, resize, crop, convert and much more!.

- 80 pngquant alternatives
pngquant is a command-line utility and a library for lossy compression of PNG images.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
Oxipng is a multithreaded lossless PNG compression optimizer in Rust. It can be used via a command-line interface or as a library in other Rust programs.
Your ultimate collection of 100+ free online tools, designed to simplify everyday tasks in seconds. Fast, smart, and easy to use.
Cost / License
- Free
- Proprietary
Platforms
- Online
Experimental, fast Web PNG/JPG optimizer which offer lossless, visually lossless or lossy compression. it performs image reductions over iterations thanks to recursive multi-processing and multithreading systems.

Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .
Cost / License
- Free
- Open Source (GPL-3.0)
Application types
Platforms
- Linux
- Flathub
- GNOME
- Flatpak
- Linux Mobile


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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Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files.
Transform your images from MB to KB effortlessly with ImageMinify! Created by a dedicated developer, this user-friendly app compresses image files while maintaining their quality, making it perfect for anyone looking to reduce file size without sacrificing clarity.


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