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.

Technology that converts text in images into editable, searchable digital text.

Does it work with scanned documents?

Yes. Exactly what OCR is designed for.

What languages are supported?

English, Portuguese, Spanish, and 100+ additional languages.

With well-scanned documents, accuracy reaches 95-99%.

Can I copy the extracted text?

Yes. Text can be copied, pasted, and searched normally.

OCR (识别文字)

关于此工具

Make your scanned PDFs searchable with Optical Character Recognition. Extract text from images and scanned documents for copying, pasting, and searching.

OCR (识别文字)

关于此工具

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