免费 · PDF
PDF 页数与元数据.
PDF 页数与元数据 — 无需注册，即可在浏览器中使用免费工具。
使用方法: PDF 页数与元数据
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. Encrypted PDFs must be unlocked first. Common metadata only; not a forensic inspection.
Read page counts, dimensions and common metadata from a local PDF. Encrypted PDFs must be unlocked first. Common metadata only; not a forensic inspection. Files are processed on your device; no PDF upload is required.
Choose a local PDF and adjust the displayed settings.