免费在线PDF工具

免费合并、拆分、压缩和转换您的PDF文件。无需注册。文件不会离开您的设备。

我们的PDF工具

Reduce PDF size to 100KB, 200KB, or custom limits. Optimize for uploads and email.

Combine multiple PDFs into one document locally. Drag, drop, reorder, and merge instantly.

Extract specific pages or split large documents. Visual page selector and range extraction.

Rotate PDF pages instantly. Fix sideways or upside-down PDF files online for free.

View PDF metadata instantly. Check author, title, creation date, and remove metadata securely online.

Insert page numbers into PDF documents instantly. Choose position, style, and format.

Add text or image watermarks to your PDF files instantly. Customize position, opacity, and rotation.

Convert JPG, PNG, WEBP, or HEIC into a single PDF. Arrange order and customize layout.

Extract pages from your PDFs into high-quality JPG or PNG images instantly.

Convert PDF files to editable Word documents instantly in your browser.

是的。所有处理在本地进行。您的文件不会上传到任何服务器。

可以！您可以按任意顺序合并任意数量的PDF文件。

没有严格限制，但超大PDF文件可能需要更长处理时间。

可以。我们的转换工具提取文本和格式并创建可下载的DOCX文件。