Compress for Email
Auto-compress toward 250 KB — private, no upload
Drop an image here or click to browse
One image at a time · Max 20 MB
Target output: ~250 KB (auto quality)
Original
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Output
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Compress Image for Email
Large photo attachments bounce back or clog inboxes. This preset targets ~250 KB — a practical balance for email — while keeping faces and text readable. Processing is 100% local.
How to Use
- Drop or select an image (JPG, PNG, or WebP — max 20 MB).
- Adjust settings if shown — output size updates automatically.
- Compare original vs output size in the badges above.
- Click Download. Your image never leaves your browser.
Frequently Asked Questions
What size for email?
Under 300 KB per image is safe for most providers; we target ~250 KB.
Multiple photos?
Use Batch Compressor for up to 5 images.
Related Tools
Try Compress to 200KB, Compress to 100KB, Batch Image Compressor.
压缩邮件图片附件
过大的照片附件容易被拒收或拖慢发送。本工具目标约 250KB，在可读性与体积间取得平衡，全程本地处理。
使用方法
- 拖放或选择图片（JPG、PNG、WebP，最大 20 MB）。
- 如有参数可调，修改后输出大小会自动更新。
- 对比上方原图与输出大小。
- 点击下载。图片仅在浏览器内处理，不会上传。
常见问题
邮件图片多大合适？
单张建议低于 300KB；本工具目标约 250KB。
多张怎么办？
使用批量压缩，一次最多 5 张。