The Best 19 OptiPNG Alternatives

  • 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.

    Free Open Source 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.

    Free Web

  • 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 available

    Freemium Web Wordpress

  • TruePNG icon

    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.

    Free Windows

    File compression PNG Compression
  • 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.

    Free Open Source Mac OS X Windows Linux

  • 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...

    Commercial Windows

  • 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.

    Free Windows

  • 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

  • Black Bird Image Optimizer icon

    Black Bird Image Optimizer

    Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!.

    Freemium

  • Tinybeest icon

    Tinybeest

    A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web.

    Freemium Mac OS X Web

  • AdvanceCOMP icon

    AdvanceCOMP

    A collection of recompression utilities for your ZIP archives, PNG snapshots, MNG video clips and GZ files.

    Free Open Source Mac OS X Windows Linux

  • Crunch icon

    Crunch

    Crunch - Insane(ly slow but wicked good) PNG image optimization. It combines selective bit depth, color type, and color palette reduction with zopfli DEFLATE compression...

    Free Open Source Mac OS X

  • 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...

    Free Mac OS X

  • 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...

    Free Mac OS X

  • SqueezeFile icon

    SqueezeFile

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

    Free Mac OS X Windows