免费 · PDF
PDF 压缩.
PDF 压缩 — 无需注册，即可在浏览器中使用免费工具。
使用方法: PDF 压缩
输入数据或选择文件，调整设置并生成结果。复制或下载之前，请检查结果。
限制与支持格式
输入内容在您的设备上处理。货币换算仅发送货币代码，以获取带日期的参考汇率。
英语技术说明
20 MiB combined input; 200 pages for structural operations, 60 seconds for QPDF operations. Lossless structural compression, not image downsampling. Already optimized PDFs may stay the same size or grow. Password-protected input must be unlocked first.
Rewrite and recompress PDF streams locally with QPDF. Lossless structural compression, not image downsampling. Already optimized PDFs may stay the same size or grow. Password-protected input must be unlocked first. Files are processed on your device; no PDF upload is required.
Choose a local PDF and adjust the displayed settings.