Add a password to protect your PDF file. Set user and owner passwords.
检查转换器服务...
拖拽到此处或
Supports PDF files
The protected PDF will be downloaded automatically after processing.
隐私： 此工具完全在您的浏览器中运行。数据不会发送到我们的服务器。我们不存储、分享或访问您在此处理的任何信息。
A: The user password is required to open the PDF. The owner password controls editing/printing permissions.
A: Yes, all processing happens in your browser. Your files are never uploaded.
Merge multiple PDF files into one. Drag and drop to reorder pages. Completely private — no uploads.
Split a PDF into individual pages or extract a specific page range. Download as ZIP or single PDF.
Reduce PDF file size by compressing and optimizing the document structure.
Convert Word documents (DOC, DOCX, RTF, ODT) to PDF format with high quality preservation.
Convert Excel spreadsheets (XLS, XLSX, ODS) to PDF with tables and charts intact.
Convert PowerPoint presentations (PPT, PPTX) to PDF with slide preservation.
Convert Apple Pages (.pages) documents to PDF format with preserved formatting.
Convert Apple Numbers (.numbers) spreadsheets to PDF format with tables and charts intact.
Convert Apple Notes (.notes) to PDF format for sharing and archiving.
Privacy: This tool runs entirely in your browser. No data is sent to our servers.