文档工具
免费在线工具，可在浏览器中合并、压缩、转换、旋转、添加水印和重新排序 PDF 文档。
Image to PDF Converter — Convert Images to PDF Online Free
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Compress PDF Online Free — Reduce PDF File Size
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Add Page Numbers to PDF Online Free — PDF Page Numbering
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Reorder PDF Pages Online Free
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Rotate PDF Pages Online Free — PDF Rotation Tool
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PDF to Image Converter — Convert PDF Pages to JPG or PNG Free
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PDF Merge & Split Tool — Combine or Extract PDF Pages Free
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Add Watermark to PDF Online Free — PDF Watermark Tool
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Free Online PDF Tools — No Upload Required
Working with PDFs usually means installing software, paying for a subscription, or uploading sensitive documents to an unknown server. Every tool in this category runs entirely in your browser — your files never leave your device.
The most common tasks are covered: compress an oversized PDF before emailing it, reorder pages that came out of the scanner in the wrong order, add automatic page numbers to a document before submitting it, or convert images into a single multi-page PDF. All of these take under a minute with no account required.
Which PDF tool should I use?
| I want to… | Use this tool |
|---|---|
| Make a large PDF smaller for email | PDF Compressor |
| Change the order of pages | PDF Page Reorder |
| Add page numbers to a document | PDF Page Numbers |
| Turn photos or images into a PDF | Image to PDF |