减小图片体积
减小图片体积 — 免费在线图片压缩器
过大的图片浪费带宽并拖慢网站。将图片体积减小最多 80%,无可见质量损失——支持 JPEG、PNG 和 WebP,全程在浏览器中,无需上传、无需注册。
Why use this reduce image size tool?
Reduce JPEG, PNG and WebP file size
Up to 80% smaller with no visible quality loss
Batch reduce multiple images at once
Quality slider for the perfect size/quality balance
Before/after comparison slider
100% local, private, free, no signup
Frequently Asked Questions
How do I reduce image file size?
Drop your image onto the tool or click to browse. It is reduced instantly in your browser. Use the quality slider and comparison view, then download the smaller image.
How much can I reduce an image?
Typically 50–80% reduction with no visible quality loss. The exact ratio depends on the format and content of the image.
How do I reduce image size without losing quality?
Use quality 70–80 for photos or convert to WebP, which keeps the same visual quality at a much smaller file size. The comparison slider lets you verify the result.
Is reducing image size free?
Yes, completely free with no watermark, signup, or file limits. All processing happens locally in your browser.