免费图片压缩工具
在保持画质的同时缩小图片文件大小。改善网站加载速度，优化SEO。
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tools.image-compressor.input.selectFiles什么是图片压缩工具？
图片压缩工具在保持视觉质量的同时缩小图片文件大小。大图片会拖慢网站加载，影响用户体验和SEO。
本工具在浏览器内处理图片，无需上传到服务器。隐私受保护，处理速度快。
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图片优化建议
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照片用JPEG/WebP，透明图用PNG，现代浏览器用WebP。
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2000px宽的图片显示600px时，预先调整大小可大幅减小文件。
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WebP比JPEG小25-35%，所有现代浏览器支持。
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屏幕外图片添加loading='lazy'属性缩短初始加载时间。
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图片压缩：Kleap vs 替代方案
| 功能 | Kleap | TinyPNG | Squoosh | tools.image-compressor.comparison.compressorio |
|---|---|---|---|---|
| 价格 | 完全免费 | 免费（500张/月） | 免费 | tools.image-compressor.comparison.priceCompressorio |
| 隐私 | 浏览器内处理 | 上传到服务器 | 浏览器内处理 | tools.image-compressor.comparison.privacyCompressorio |
| tools.image-compressor.comparison.batchUpload | tools.image-compressor.comparison.batchUploadKleap | tools.image-compressor.comparison.batchUploadTinypng | tools.image-compressor.comparison.batchUploadSquoosh | tools.image-compressor.comparison.batchUploadCompressorio |
| tools.image-compressor.comparison.outputFormats | tools.image-compressor.comparison.outputFormatsKleap | tools.image-compressor.comparison.outputFormatsTinypng | tools.image-compressor.comparison.outputFormatsSquoosh | tools.image-compressor.comparison.outputFormatsCompressorio |
| tools.image-compressor.comparison.maxFileSize | tools.image-compressor.comparison.maxFileSizeKleap | tools.image-compressor.comparison.maxFileSizeTinypng | tools.image-compressor.comparison.maxFileSizeSquoosh | tools.image-compressor.comparison.maxFileSizeCompressorio |
| tools.image-compressor.comparison.qualityControl | tools.image-compressor.comparison.qualityControlKleap | tools.image-compressor.comparison.qualityControlTinypng | tools.image-compressor.comparison.qualityControlSquoosh | tools.image-compressor.comparison.qualityControlCompressorio |