压缩 JPEG
压缩 JPEG — 免费在线减小 JPG 体积
JPEG 照片往往比实际需要大得多。将 JPEG 文件压缩最多 80%,无可见质量损失——全程在浏览器中,无需上传、无需注册。拖入 JPG,立即下载更小的版本。
Why use this compress jpeg tool?
Reduce JPEG file size by up to 80%
No visible quality loss at recommended settings
Batch compress multiple JPEGs 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 compress a JPEG?
Drop your JPG onto the compressor or click to browse. It is compressed instantly in your browser. Use the quality slider and comparison view, then download the smaller JPG.
How much can I compress a JPEG?
Typically 60–80% reduction with no visible quality loss at quality 70–80. Even higher compression is possible for thumbnails or previews.
Will compressing JPEG reduce quality?
There is little to no visible difference at quality 70 or higher. The built-in comparison slider lets you verify the result before downloading.
Is JPEG compression free?
Yes, completely free with no watermark, signup, or file limits. All compression happens locally in your browser.