How to merge multiple PDFs into one?

Use our "Merge PDFs" tool: select your files, drag to reorder, and click Process. Everything is done in your browser — no files are uploaded to any server.

How to compress a PDF without losing quality?

Our compression tool automatically reduces PDF file size while maintaining visual quality. Simply upload your file and download the result.

How to unlock a password-protected PDF?

Upload the protected PDF to our "Unlock PDF" tool. If the file only has copy/print restrictions, removal is automatic. For open passwords, you'll need to enter the password.

Is it safe to use online PDF tools?

Yes! At Unlocked PDF, all files are processed locally in your browser using WebAssembly. No files are ever sent to our servers.

Can I convert images to PDF for free?

Yes, our "Image to PDF" tool converts JPG, PNG, and WebP into multi-page PDF documents, completely free.

图像以什么格式生成？

高质量PNG，保持每页的保真度。

可以只提取某些页面吗？

可以。选择要转换的页面。

是的。高分辨率，适合打印和数字使用。

适用于扫描的PDF吗？

是的。每页变成一张单独的图片。

PDF 转图片

关于此工具

将PDF的所有页面提取为高质量PNG图像。非常适合演示文稿、社交媒体或图像编辑软件。

PDF 转图片

关于此工具

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