Alternatives to PngOptimizer for all platforms with any license

  • ImageOptim icon

    ImageOptim

    ImageOptim optimizes images — so they take up less disk space and load faster — by finding best compression parameters and by removing...

    Open Source Mac

  • PNGGauntlet icon

    PNGGauntlet

    -Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF...

    Free Windows

  • Caesium icon

    Caesium

    Caesium features: - Resize your pictures up to 90% preserving the file format. The software use an intelligent file compressing...

    Open Source Windows

  • OptiPNG icon

    OptiPNG

    OptiPNG is a command-line PNG optimizer that recompresses image files to a smaller size, without losing any information. This program...

    Open Source Mac Windows Linux

  • pngcrush icon

    pngcrush

    Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a...

    Open Source Windows Linux

  • TinyPNG icon

    TinyPNG

    TinyPNG uses smart lossy compression techniques to reduce the file size of your PNG files. By selectively decreasing the number of...

    Free Web / Cloud

  • TruePNG

    TruePNG is one of the most advanced PNG optimizers available. It does the most exhaustive checks for reductions, that lets it to...

    Free Windows

  • Ralpha Image Resizer icon

    Ralpha Image Resizer

    Ralpha Image Resizer is a lightweight and portable program that can perform image operations in batch mode, such as resizing and...

    Free Windows

  • PNGOUTWin icon

    PNGOUTWin

    You can use PNGOUTWin, an easy-to-use PNG optimizer, to create smaller image files and speed up your website, reach more potential...

    Commercial Windows

  • IMAGEmini icon

    IMAGEmini

    IMAGEmini, a powerful photo resizer and optimizer, allows you to optimize all your photos by 80% ~ 20% comparing to their originals...

    Commercial Mac

  • Squeezer icon

    Squeezer

    Squeezer is a PNG optimizer for Mac OSX that recompresses image files to a smaller size, without losing any information. Super easy...

    Free Mac

  • SqueezeFile icon

    SqueezeFile

    Works with all common image formats like png, jpeg, bmp, tiff and Microsoft Office documents pptx, docx, xlsx.

    Free Mac Windows

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  • pngCrushrrr icon

    pngCrushrrr Discontinued

    Drag your PNGs onto PNGCrushrrr and get super-optimized files ready to be emailed or posted on the web! Supports one or more files...

    Free Mac