Is this tool free to use?

Yes, all our tools are 100% free to use with no registration required.

What file formats are supported?

We support all major image formats (JPG, PNG, GIF, WebP, BMP) and video formats (MP4, WebM, AVI, MOV).

Is there a file size limit?

Yes, the maximum file size is 200MB for optimal processing speed.

GIF最適化

GIFファイルサイズを圧縮・削減

ここにファイルをドロップするか、クリックしてアップロード

画像最大200MB

GIF Optimizer

Compress and reduce GIF file size

80% Smaller

Lossless

Professional GIF Optimization Technology

Reduce GIF file sizes by up to 80% while maintaining exceptional visual quality. Our optimizer uses cutting-edge compression techniques including adaptive color reduction, frame optimization, and intelligent lossy compression. Perfect for web performance, email attachments, social media sharing, and reducing storage costs without sacrificing the impact of your animations.

80%Size Reduction

200MBMax Input

256-32Color Range

100%Quality Preserved

Optimization Features

Our advanced compression algorithms analyze every frame and pixel to achieve maximum size reduction without visible quality loss. Uses adaptive color palettes, frame differencing, and intelligent dithering to maintain visual fidelity while dramatically reducing file size.

Intelligently reduce colors from 256 down to as few as 32 while preserving image clarity. Our adaptive palette generation ensures the most important colors are retained, using advanced dithering techniques to smooth gradients and maintain visual appeal even with fewer colors.

Remove duplicate or similar frames automatically, optimize frame timing, and eliminate unnecessary data. Smart frame analysis identifies redundant information across your animation, keeping only what's essential for smooth playback while significantly reducing file size.

Fine-tune the balance between quality and file size with granular control. Apply selective lossy compression where it matters least, preserving important details while aggressively compressing less noticeable areas. Perfect for achieving specific file size targets.

Frequently Asked Questions

Typically 30-80% size reduction is achievable depending on your GIF's characteristics. Simple animations with few colors can be reduced by up to 80%, while complex GIFs with many colors and details might see 30-50% reduction. The optimizer shows real-time size estimates as you adjust settings.

With lossless optimization, there's no visible quality loss - only redundant data is removed. With lossy compression, you control the quality-size tradeoff. Our smart algorithms ensure that even with aggressive compression, the visual impact remains strong by preserving important details.

Color reduction decreases the palette size (e.g., from 256 to 128 colors) using dithering to maintain appearance. Lossy compression removes visual information that's less noticeable to the human eye. Combining both techniques achieves maximum compression while maintaining acceptable quality.

Yes! Our batch processing feature lets you optimize multiple GIFs simultaneously with the same settings. Perfect for optimizing entire collections, preparing GIFs for web deployment, or meeting specific platform requirements across multiple files.

Light (20-30% reduction) for maximum quality preservation. Medium (40-60% reduction) for balanced quality and size - ideal for most uses. Heavy (60-80% reduction) when file size is critical and some quality loss is acceptable. Start with Medium and adjust based on results.