在浏览器中使用压缩图片并减小文件大小。免费使用，无需注册。
直接在浏览器中处理文件，无需注册。
Image compression reduces the amount of data stored in an image. Smaller files are easier to attach to email, upload to websites, and keep organized on a computer.
FilePat lets you process images without installing an editor, making it useful for routine office work and quick web uploads.
FilePat is built for practical file work such as office administration, document preparation, data cleanup, and everyday file handling. Choose a tool, process the files in your browser, and save the result.
Yes. Smaller images can be easier to attach when an email service has size limits.
Compression can reduce file size by changing image encoding and, depending on settings, visual quality.
No account is required for the basic tool.
Useful context for preparing, processing, and checking files with this FilePat tool.
Large photos can be inconvenient for email attachments, forms, and websites. Image compression reduces file size while keeping enough visual quality for the intended use. The right balance depends on the image: photos usually tolerate compression better, while screenshots, diagrams, and text-heavy images can show artifacts sooner.
Keep the original image and use the compressed copy for sharing. After compression, check small text, edges, and important details rather than judging the result by file size alone.
Using FilePat: Start with the existing file tool above and review the result before sharing it.
Reduce image file size while choosing the output quality.
FILEPAT PRACTICAL GUIDE
这类文件处理如果先确定最终用途，通常就不需要做过多修改。保留原文件，并在处理完成后快速检查一次，也能让日常工作更稳定。
当照片、截图或资料图片太大，无法方便地通过邮件、上传表单或共享文件夹发送时，图片压缩就很有用。合适的大小取决于使用场景，因此网页图片和资料截图不一定需要相同的压缩程度。
压缩得越多并不一定越好。小字、图表、二维码和细线通常比普通照片更容易出现明显损失。如果目标服务有文件大小限制，可以先以限制值为参考，在满足限制的前提下尽量保留清晰度。
经常处理文件时，建议保留原图，只为发送或上传制作压缩副本。可以使用“原图”“网页”“邮件”等简单名称区分用途，避免覆盖原始文件。
完成压缩后，最好打开结果文件检查一次。重点看看文字、人脸、细线等真正重要的部分是否仍然清楚，这一步可以减少发送之后才发现问题的情况。
一个文件有时不只需要一次处理。如果有必要，可以继续下一步，例如先转换图片再调整尺寸或压缩，或者合并 PDF 后再重新整理页面顺序。每完成一步就检查一次结果，可以让重复性的文件工作更容易管理。
如果不知道该怎么设置，可以先想接收者真正需要什么。提交文件时可能更重要的是规定的尺寸或页面顺序，分享文件时则是能够正常打开和清楚阅读。只检查真正影响用途的项目，通常比增加不必要的处理更合适。