图片压缩器
在浏览器中压缩图片，无需上传。所有处理都在您的设备上本地进行。
80%
Drop images here or click to upload
PNG, JPG, WebP supported
Tips
- • WebP format typically provides the best compression
- • Quality 80% is usually a good balance of size and quality
- • Images are processed entirely in your browser - nothing is uploaded
- • For best results, don't compress already compressed images
Image Compression - 技术详情
Image compression reduces file size by removing unnecessary data and using efficient encoding. Lossy compression (JPEG, WebP) achieves smaller sizes but loses some quality. Lossless (PNG) preserves quality but with larger files.
命令行替代方案
# Compress with ImageMagick\nconvert input.jpg -quality 80 output.jpg\n\n# Compress with ffmpeg\nffmpeg -i input.png -compression_level 100 output.png\n\n# WebP conversion\ncwebp -q 80 input.png -o output.webp