PNGGauntlet – Compress PNG/GIF/BMP images losslessly in batch

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Undoubtedly, PNG is the most popular image format in the present network environment, with the characteristics of high fidelity and transparent support, and thus inevitably it has a bigger file size. But as a nondestructive image format, it is more difficult if you want to reduce its file volume without loss in image quality.

Fortunately, there are a lot of tools specifically designed to compress the image file size. PNGGauntlet can compress the PNG, GIF, BMP image formats to a minimum degree under the premise of not reducing the image quality. And currently it is the best one in similar lossless compression tools for PNG image format.

PNGGauntlet is actually a graphical front end, and the real image compression process depends on the technology of the 3 built-in software (PNGOUT, OptiPNG and DeflOpt) to realize. BTW, other quality similar tools that are worth a try, like ImageOptim (for Mac OS X), Trimage (for Linux and other Unixes) and PNGOUTWin (Professional PNGOUT for Windows).

// Key Features //

  • 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
  • Drag & Drop file/folder support
  • Batch processing support

// System Requirements //

// Tips //

  • The more continuous same color one image has, the compression ratio is higher
  • Dragging the whole folder to PNGGauntlet will include all images in this folder and its subfolders

// Download URLs //

License Version Download Size
Freeware Latest n/a


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