Alternatives to OptiPNG for all platforms with any license

Platforms

Desktop

Web / Online

Other Platforms

  • PNGGauntlet icon

    PNGGauntlet

    -Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF, TIFF, and BMP files to PNG -Ultra-configurable PNGGauntlet is a .NET program that uses Ken...

    Free Windows

  • TinyPNG icon

    TinyPNG

    TinyPNG uses smart lossy compression techniques to reduce the file size of your PNG files. By selectively decreasing the number of colours in the image, fewer bytes are required to store the data. The effect is nearly invisible but it...

    Free Web / Cloud

    No features added Add a feature
  • PngOptimizer icon

    PngOptimizer

    PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop. You can also paste a...

    Open Source Windows PortableApps.com

    No features added Add a feature
  • 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 UNIX or LINUX commandline.

    Open Source Windows Linux

  • TruePNG

    TruePNG is one of the most advanced PNG optimizers available. It does the most exhaustive checks for reductions, that lets it to optimize further, even if it uses a less efficient compression algorithm than others tools. Source:...

    Free Windows

  • optimus.io icon

    optimus.io

    optimus.io offers lossless compression of images available with a WordPress plugin and via API. Benefits: - The file size will be reduced but the image quality remains the same - Bulk optimization - Conversion also to WebP...

    Freemium Web / Cloud

    No features added Add a feature
  • pngquant icon

    pngquant

    pngquant is a command-line utility and a library for lossy compression of PNG images. The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency. Generated images are compatible...

    Open Source Mac Windows Linux

    No features added Add a feature
  • 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 customers, and decrease your bandwidth costs. You can convert and compress to PNG from TIFF, GIF, BMP...

    Commercial Windows

    No features added Add a feature
  • iLoveIMG icon

    iLoveIMG

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

    Freemium Web / Cloud

  • JPEG Resampler icon

    JPEG Resampler

    With JPEG Resampler you are able to change the resolution and size of JPEG images of a directory in one go and move them into another folder. Source as well as the destination location can be determined by the user freely. Before...

    Free Windows

  • 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 to use: Drag-and-drop PNG on squeezer.

    Free Mac

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  • SqueezeFile icon

    SqueezeFile

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

    Free Mac Windows

    No features added Add a feature
  • pngCrushrrr icon

    pngCrushrrr

    Drag your PNGs onto PNGCrushrrr and get super-optimized files ready to be emailed or posted on the web! Supports one or more files being dropped and instead of overwriting your original files, PNGCrushrrr outputs .crushed.png files...

    Free Mac

    No features added Add a feature
    • Discontinued Last version, 1.0, was released on April, 2005. It can be still downloaded from Wayback Machine.

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