The Best 36 PNGGauntlet Alternatives

  • RIOT - Radical Image Optimization Tool icon

    RIOT - Radical Image Optimization Tool

    Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then choosing the right parameters are the key factors of smaller files.

    Free Windows GIMP XnView IrfanView

  • XnConvert icon

    XnConvert

    XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux. It supports more than 400 file formats (jpeg, tiff, png, gif, camera raw, jpeg2000, WebP, OpenEXR, ...).

    Free Mac OS X Windows Linux

    Watermark images Batch processing
  • 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

  • FILEminimizer Pictures icon

    FILEminimizer Pictures

    FILEminimizer Pictures from balesio compresses digital images and photos with file size reductions by up to 98%. For example, a JPEG photo with a size of 5 MB can be...

    Free 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

  • 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

  • PictureBeaver icon

    PictureBeaver

    PictureBeaver is a WSH script for batch optimization PNG/JPEG/GIF images using optipng/jpegtran/gifsicle utilities.

    Free Open Source Windows GitHub

  • Photo Size Optimizer icon

    Photo Size Optimizer

    A powerful photo resizer and optimizer for Mac, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution...

    Freemium Mac OS X

  • SeaMonster icon

    SeaMonster

    .Net based application that does Content-Aware Image Resizing just like Photoshop CS4. See http://seamonster.codeplex.com/releases/view/10269 for Executable and...

    Free Open Source Windows