In other words there no guarantee that it is better than the normal 'optimize-frame' technique.įor some animations however you can get a vast improvement in the final animation size. There is the possibility that the change in the disposal style will result in a worsening in the optimization of later frames, though this is unlikely. If this does not improve the optimization (for the next frame only), it will fall back to the results of the previous normal 'optimize-frame' technique. The frames are added to attempt to separate the clearing of pixels from the overlaying of new additional pixels from one animation frame to the next. Optimize-plus: As 'optimize-frame' but attempt to improve the overall optimization by adding extra frames to the animation, without changing the final look or timing of the animation. However this does seem to do better than most other GIF frame optimizers seen. But then no reasonably fast GIF optimization algorithm can do this. There is no guarantee that the best optimization is found. Optimize-frame: Optimize a coalesced animation, into GIF animation by reducing the number of pixels per frame as much as possible by attempting to pick the best layer disposal method to use, while ensuring the result will continue to animate properly. The resulting sequence of images can be used to optimize an animation sequence, though will not work correctly for GIF animations when parts of the animation can go from opaque to transparent. Given a sequence of images all the same size, replace the second and later images, with a smaller image of just the area that changed relative to the previous image. Generally optimization of the gif size depends on the type of animation (Disposal Methods and transparency) and the basic methods are:ĭeconstruct: find areas that has changed between images. There are various basic methods in ImageMagick of "minimizing" file size in. The most important note: keep the original work as xcf - because the result may be unexpected. Ver 0.3 (due to lack of prospects of the "gif" format - for me the final version) conversion of animated webp to gif - result: small file but image very deformed. create gif from individual webp files - result: size larger than created from png. I completely agree with the with all comments - the future belongs to the webp format but sometimes gif is the only solution.įor the test I tried two variants of use ImageMagic with the webp format: Python-anim-gif.png Īnimated_gif_using_ImageMagick V-0.1.zip In menu Gimp: Filters->Animation->Animated gif using ImageMagick. ImageMagick is mainly used from the command line - but since python can replace it, you can try something for Gimp. This plugin is based on code (implemented) ofn-export-layers.py by Ofnuts: In this case, you can support Gimp with the great capabilities of ImageMagick. cwebp -q 80 file.png -o file.Gimp is not the best tool for creating animated gifs (instead of using the 256 color limit for the frame, this applies to the entire gif). You can increase or reduce it by specifying the -q argument for the encoder, as follows. The default quality for WebP is set to 75. To convert a PNG file to WebP, execute the following command: cwebp file.png -o file.webp In a number of situations, WebP provides a better compression ratio than PNG. The opposite conversion might also be useful. You might need to adjust its options and optimize the output file. Keep in mind that ffmpeg produces bigger files than the WebP encoder.
Unlike libwebp, ffmpeg is widely used and comes preinstalled in many distros. If you can't get libwebp installed, you can go with ffmpeg. So, if you need to get a JPEG image from your WebP file, you need to convert it to PNG first, and then convert the PNG image to JPG using a tool like GIMP or convert it using ImageMagicK.
Note: Unfortunately, dwebp only converts WebP to PNG, but not to JPG. The output file will be file.png in the PNG format.Type the following command: dwebp file.webp -o file.png.To convert a WebP image to PNG in Linux, do the following. gif2webp - a tool for converting GIF images to WebP.The package provides the following tools: On a Debian-based distro like Linux Mint, issue the command: # apt install webp You should install it manually by running the command as root: # pacman -S libwebp For example, in Arch Linux package dependencies are not strict, so libwebp doesn't get installed when you install the GUI. Convert PNG files to WebP Convert WebP to PNGĭepending on your distro, libwebp may be installed out-of-the-box, or not.