15 Best Free GIF Compressor Software For Windows

Here is a list of the best free GIF compressor Software for Windows. These freeware let you reduce the size of animated GIF files so that they take less space and load faster on websites. Some of these software incorporate lossy compression technique, while others incorporate lossless compression. The GIF files can be compress in a number of ways, like:

  • Reduce the resolution.
  • Reduce the aspect ratio.
  • Reduce the number of colors.
  • Reduce number of frames

While these can be done in a number of image editor software as well, but those software don’t work very well for GIF files.  If you try to compress GIF files using image editors, you are just displayed with a single frame of the animated GIF. The software included here keeps the nature of your GIF files intact.

My Favorite GIF Compressor Software:

Among the software enlisted here I like PhotoScape the most. It is due to the reason that along with compressing the GIF file it also shows the frames of the GIF file, which can be deleted and also new frames can be added. You can also modify the GIF files using this freeware.

Also check out the list of Video to GIF Converter Software, GIF Animator Software, and 2D Animation Software.

PhotoScape



PhotoScape is a good tool which can be used to compress GIF files. In order to do so, you have to navigate to the Animated GIF section. Add the file to be compressed.

  • The GIF file is displayed, with different frames and the time duration specified.
  • Time duration between two frames can be changed.
  • Effects between two frames can also be changed.
  • GIF file can be resized, as per the first photo size, big photo size, small photo size, and canvas size.
  • Option to resize based on percentage.
  • Resize ratio information is also displayed.
  • Background color can be changed.
  • Option to choose the photo options, like stretch, paper full, image full, and image full (no enlargement).
  • Photo align center can also be chosen from a number of predefined align options.
  • Can also delete photos, change display time for individual photos from frames, rotate photos, change photo location, and also add photos.
  • This freeware can also be used to create your own animated GIF file.
  • Option to preview the GIF file in the web browser.
  • Can combine a number of GIF files into one to make your own GIF.
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RIOT



RIOT is a good freeware to compress GIF files. Here you have to simply open the file, and select the GIF option, and play with different options that are available to achieve the desired results.

  • Provides the option of color reduction, to choose color number, resize the image, and interlacing options.
  • Can also choose the option to mask, and image adjustments where you can choose brightness, transparency, contrast, gamma, invert the colors, grayscale, etc. options.
  • Can also rotate and flip the GIF file.
  • Provides you the option to choose the compress to size option.
  • Both the original image and the compressed image are shown side by side along with their respective sizes, which lets you play with the settings till the desired result is achieved.
  • Option to choose either the Xiaolin Wu color, or the NeuQuant neural-net color quantization algorithm.
  • Using Batch optimizer option, you can choose the option to resize, and compress to size option to be applied to a number of files at the same time.
  • From a number of resampling filter options, any can be chosen based on the requirement and the time at hand.

It can also be used to resize other image formats, and convert one image format into other.

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Paint.net Plugin to Compress GIF



Paint.NET is a freeware which by itself cannot be used to compress GIF file by itself. If you try to do so, it just outputs the first frame, which doesn't meet our needs. In order to successfully compress the GIF file, you have to follow the steps given below:

  • Download "Paint.NET Animated Gif Plugin".
  • Extract and copy the DLL file to FileTypes folder of Paint.NET installation folder.
  • Change the file extension from GIF to AGIF.
  • Open the AGIF file in Paint.NET.
  • Here you can crop, edit, resize, add effects, make some adjustments to the file as per your requirements.
  • Make use of Resampling technique, which may be either best quality, Bicubic, Bilinear, or nearest neighbour.
  • Can make use of enable or disable anti-aliasing, in order to reduce the size.
  • Option to save the file as both GIF, and AGIF.
  • Option to select the loop count and delay in milliseconds.

The GIF file can be saved in other popular image formats also. You can also use this freeware to make animated GIF files.

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Light Image Resizer



Light Image Resizer is a simple tool which can be used to resize the GIF file and compress it as per the requirement. In order to do so:

  • Select the file that is to be compressed.
  • Select the options which you want to be incorporated into your files.
  • Choose the resolution from a number of predefined layout options or set your own dimensions.
  • Choose the resize mode to be used, i.e., to maintain aspect ratio or not.
  • Can also add some effects to the file that is to be output, like filtering, resize policy to be followed, output format, quality, size, resolution, filename mask, action to be followed and destination folder.
  • Along with it, you can also choose the option to add watermark, invert colors, convert to grayscale, add sepia effect, enhance, and auto enhance.
  • The file can be rotated, flipped, and added with various other effects.

You can also choose the option to resize other image formats.

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Pixillion Image Converter Free




Pixillion Image Converter Free is a simple free software to compress animated GIF files.

  • Add the file, and click on effects.
  • Then in the scale tab you can scale the GIF file, which in turn reduces the quality of the GIF, thereby also reducing its size on clicking the convert button.
  • The GIF file can be resized based on percentage, long side, original aspect ratio, predefined frame size, and custom frame size.
  • Based on your selection, you have to enter the percentage, long side in pixels, width in pixels, height in pixels, and predefined frame size.
  • You can also choose the option of DPI resolution, pixel width, background option, and overwrite options.
  • Filters can be chosen from the options sharp square pixels, and smooth blurry pixels.
  • GIF file can also be rotated and flipped.
  • The best feature is that you can preview the images before compression.

You can also convert other popular image formats, like: BMP, ICO, JPEG, PSD, TSG, TIFF, and many more.

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Moo0 Image Sizer



Moo0 Image Sizer is a simple freeware which can be used to compress GIF files. In order to do so, you have to simply drag and drop the GIF file in its Drop Box.

  • The option to create files of specific size, or various sizes at once.
  • Using advanced options you can also choose different options to reduce the size to a specified pixel, or reduce by percent.
  • The width/height ratio option can be maintained or ignored.
  • The option can also be chosen to either both enlarge/shrink, only enlarge, or shrink the file.
  • In various sizes at once option, you can choose the option to set the number of images to be created, range which may be set to maximum range or limited range.

This freeware can also be used to compress JPG, PNG, and BMP files as well.

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Trout's GIF Optimizer




Trout's GIF Optimizer is a simple tool to optimize GIF files.

  • On selecting the GIF file, the size is reduced on its own where the total size of the image, total bytes after, and bytes saved details are displayed.
  • If the default values does not meet your requirements, you can also choose the option of color reduction.
  • Option to choose the number of colors, choose from a list of predefined palette, max palette colors, and dithering option.
  • The palette option can be either monochrome, windows grayscale, grayscale, windows system, windows halftone, web palette, optimized windows, and optimized.
  • The dithering option can be chosen from a number of options.
  • Batch compression of the files can also be done.

But one needs to be quite careful in choosing the options because some settings tend to increase the size.

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GIF Optimizer



GIF Optimizer is a simple and easy to use freeware which can be used to compress GIF files.

  • Open the file to be compressed.
  • On clicking the optimize button: the original size, the reduced size, and saved percentage is displayed.
  • In case you are not satisfied with the generated results, you can go to the settings tab and play with various options, like: remove unused palette entries, move colors from global to local, remove redundant pixels, crop transparent images, and disable interlacing.
  • You can also choose the option to reduce colors as per your choice or choose the option to auto reduce colors.
  • It can also be used to play GIF files, where you can choose the option to play animation loop or play frame by frame.
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GIMP



GIMP is a powerful tool which can be used to compress GIF files. This can be done by following these steps:

  • Open the GIF file and resize it, or crop the image.
  • You can also add some other effects to the file, and make some minor edits to it.
  • You can choose to scale image based on percent, pixel, and many more.
  • The pixel density and interpolation option can also be set which may be either cubic, linear, or sinc.
  • Choose the option to export as GIF, which provides you the compressed image.
  • Then you can choose the option of interlacing, GIF comment, export as animation, loop forever, frame delays between unspecified, frame disposal methods, use delays entered, and use disposal entered.
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GIFmicro



GIFmicro is a simple and easy to use tool to compress GIF files. In order to do so, you have to simply add the file and choose the option from the specified options.

  • This freeware can also be used for batch conversion of the GIF files.
  • You can also choose and set the options for the GIF compression, like: optimization factor, interlacing options, lossy compression, color method, color limitation, resize, and transparency effect.
  • The details of the GIF files are displayed, where details like name, original size, new size, delta, status, and path is displayed.
  • Double clicking on the image shows the image preview.
  • You can choose whether to overwrite the file or make a new copy.
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xat.com Image Optimizer



xat.com Image Optimizer is a good software that lets you compress GIF files. Here you have to simply select the file to be compressed, and choose the option that suits you the best.

  • You can choose the option to crop the file, reduce the number of colors, or resize the image.
  • You can also rotate the image.
  • The size of the converted image is displayed along with its other details.
  • It can also be used to make some minor edits to the GIF file.
  • It can also be used to resize other image formats as well.

The conversion of popular image formats can also be done.

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FastIO (Fast Image Optimizer)



FastIO (Fast Image Optimizer) is a freeware which helps you compress GIF files.

  • Extract the software, drag and drop the image or the folder to be converted on FastIO.cmd file.
  • In the command prompt window displayed, you have to choose the option from either lossless compression, or lossy compression.
  • In lossy compression, you can choose the number of colors which may be either 224, 192, 128, 96, 64, 32, 16, or 8.
  • Then the details of the conversion are displayed, where the input file size, output file size, and reduction in file size, and file percentage is displayed along with the duration details.

This freeware can also be used to optimize PNG, JPG, and GIF files.

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SuperGIF



SuperGIF is a simple and easy to use lightweight software to compress GIF files. In order to do so, you have to simply select the file, after which the file is optimized.

  • In the end of the conversion, various details, like: name, size unoptimized, bytes saved in file, batch, and till date is displayed along with the percentage.
  • In the preferences tab you can choose the option to make a backup before optimizing files, overwrite old backups, record results in log file, log either all messages, or only the optimization results, and allow cropping of transparent areas in single image GIF's.
  • It makes use of lossless compression technique, and can reduce images over 50 percent.
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ScriptGIF



ScriptGIF is a simple command line freeware which helps you compress GIF files. In order to do so, you have to undertake the following steps:

  • Extract the software, drag and drop the image or the folder to be converted on ScriptGIF.cmd file.
  • Command prompt window is displayed where you have to choose the option for either lossless compression, or lossy compression.
  • In lossy compression, you can choose the number of colors, which may be either 224, 192, 128, 96, 64, 32, 16, or 8.
  • Then the details of the conversion are displayed, where the input file size, output file size, and reduction in file size, and file percentage is displayed along with the duration details.
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GIF Optimizer



GIF Optimizer is a simple freeware which can be used to compress GIF files. In order to do so, you have to select the GIF file or the folder containing the GIF files. Then on clicking the optimize button the GIF files are optimized.

  • The original size of the image, optimized size of the image, and the reduction percentage is also displayed.
  • If required the preview of the GIF file can also be viewed.
  • The data about the total bytes saved is displayed.
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