压缩 PDF — 保留字节,去掉冗余

选择质量预设。在浏览器中运行 — 无上传、无账户。

在此放置 PDF

或点击浏览

仅支持 PDF 文件

使用方法

1

Upload your PDF

Drop a PDF onto the upload zone or click to browse. Large files are fine — processing is local.

2

Pick a quality level

Choose from preset quality levels. Lower quality = smaller file. Higher quality = better image fidelity. The estimated output size updates live.

3

Compress & download

Click Compress. The file is processed in your browser and ready to download in seconds.

常见问题