PNGGauntlet Compresses PNG Images Without Sacrificing Quality [Windows]

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compress png imagesThough it’s a little difficult to gauge just how many webmasters browse MakeUseOf, any one that you talk to will let you know that image optimization and sparing every bit of bandwidth possible is a key to running a successful and affordable website.

The PNG is the FLAC of the world of images. We all love PNGs. They are a lossless replacement to the patent-locked GIF and make transparency look beautiful. A good portion of the images you’ll see in our articles, especially screenshots, are PNG. It’s a great alternative to the single-frame GIF and the JPG doesn’t even come close in the realm of quality. One thing that both other image formats do hold over top of the PNG is weight. PNG comes off a little heavy.

To help remedy that problem, we have PNGGauntlet. PNGGauntlet is the best tool that I’ve ever used when it comes to putting your PNG images on a diet.

PNGGauntlet

PNGGauntlet is a Windows application that combines the brilliant work of PNGOUT, OptiPNG, and DeflOpt into a single process that makes compressing PNG images drag-and-drop simple.

compress png images

From the above screenshot alone, it shouldn’t be difficult to eyeball the general procedure. Navigate to any folder within Windows Explorer and drop the images that you’d like to optimize into PNGGauntlet’s interface.

compress png images online

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Optionally, you can click Add Images to bring up a prompt that will allow you to manually browse your hard drive. Make sure you select an output directory, also. While we’ve got everything ready to go, now would be a good time to go over the configuration of PNGGauntlet.

Click Options under the Tools menu.

compress png images online

If you don’t have the beefiest machine, running compression on lower priority may be best. The last option on this window is in respect to the fact that PNGGauntlet will also convert JPG, GIF, TIFF, and BMP files to the PNG format.

The other tabs in this window will allow you to configure options to each plugin that PNGGauntlet uses.

compress png images online

As you can see, the options get very specific for PNGOUT. OptiPNG will allow you to set a level of compression and DeflOpt will allow you to preserve your images’ metadata.

After you’ve tweaked everything to your liking, go back to the main window and you can now feel safe to click Optimize.

I went ahead and hit Google for a picture of a cat in PNG format. Here’s what we’ve managed to do:

how to compress images

In just a click, PNGGauntlet was able to compress this image by 37%!

Here are those two images:

how to compress images

compress png images

If you can’t tell the difference, it’s because there is no visual difference! The PNG on the left is about 45 KB larger, though. This compression was made using the default options of PNGGauntlet.

If you’re looking for alternatives on OS X or Linux, the PNGGauntlet website offers those. ImageOptim is great for Mac and Trimage for Linux. I’ve not tried either of them, but if they’re anything like PNGGauntlet then they’re definite winners.

Let me know what you think about this image compression tool in the comments!

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Comments (6)
  • Raymond Beets

    I love PNGs, who doesn’t =) For game development and web development, this is definitely a tool I will be using extensively from her on forwards.

  • Silviu Despa

    Wow this will work great with my photoshop projects. Thank you!

  • muotechguy

    Bad example; PNG is only suitable for non-complicated images. For that specific image, I got the filesize down to less than 10kb with no loss of quality simply by encoding as JPG instead.

    ANYTHING photographic should always be optimized as a JPG, and PNG should be used to save vector type drawings, screenshots etc.

    Also, the app isn’t actually that good. The standard png export of photoshop was able to save it as a png of 24kb, significantly less than the 76kb this app did, with no visible loss of quality.

  • Sebastian Hadinata

    Another great tool! This might come in handy.. downloading :3

  • Roman Vávra

    Thanks for the article, PNGGauntlet is what Im looking for :)

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Affiliate Disclamer

This review may contain affiliate links, which pays us a small compensation if you do decide to make a purchase based on our recommendation. Our judgement is in no way biased, and our recommendations are always based on the merits of the items.

For more details, please read our disclosure.
Affiliate Disclamer

This review may contain affiliate links, which pays us a small compensation if you do decide to make a purchase based on our recommendation. Our judgement is in no way biased, and our recommendations are always based on the merits of the items.

For more details, please read our disclosure.