GIF Compressor - Free Online | FunToolX
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About this tool
GIF Compressor is a free online tool. Shrink GIF size via frame, dimension and color optimization.
After uploading the GIF file, the tool parses all frames and displays the current file size. There are three ways to compress: reduce quality (reduce the number of colors and optimize LZW encoding), reduce size (proportionally or specified width), and reduce the number of frames (interleave). The page displays the estimated compressed size in real time.
The core of GIF compression is to reduce the color table size and optimize LZW encoding. The tool re-encodes each frame on the browser side, using lossy GIF encoders such as giflosy to strike a balance between visual quality and file size. All processed locally.
GIF files are usually large, and a 5-second animation may weigh 5-10MB. After compression, the volume can be reduced by 50-80%, making it convenient to send in chat software or load on web pages.
Online GIF compression tool to reduce the size of GIF animation files, support quality adjustment, size reduction and frame extraction, and process it locally in the browser.