PDF One

Q: Why can't I edit text in my PDF file?

Scanned PDFs contain images, not editable text. PDF-one's built-in OCR technology can recognize text in scanned documents and make it editable in seconds.

Q: Is PDF-one really completely free?

Core features including text editing, annotation, and signatures are completely free with no registration required and no watermarks. AI-powered features are available as premium add-ons.

Q: How does PDF-one protect my privacy?

All uploaded files are protected with SSL encryption and automatically deleted from our servers after 12 hours. No account or personal information is required.

Q: Does PDF-one require software installation?

No. PDF-one works entirely in your browser — there is nothing to download or install. Just open the website and start editing your PDF immediately.

Q: Can I edit a scanned PDF with PDF-one?

Yes. PDF-one has built-in OCR (Optical Character Recognition) that detects and converts text in scanned or image-based PDFs into editable content.

扫描件也能免费编辑免费OCR识别，无需登录｜文件加密，12小时自动销毁

免费OCR识别

12小时自动销毁

无永久数据留存

SSL加密ISO27001认证已有 2,847,392 位用户信赖

如何免费编辑PDF？

无需注册，扫描件/图片也能快速编辑

上传文件:

自动 OCR 识别扫描件，转为可编辑文本。

在线修改:

支持编辑/修改文本、添加文本框和添加批注。

导出文件:

完成编辑，免费下载 PDF 或导出其他格式。

自动销毁:

文件处理完毕后，系统将在 12 小时自动

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立即免费编辑