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OCR PDF

Use this free OCR PDF online tool to make scanned PDF documents searchable and copyable in English. It is built for students, teams, and professionals who need a clean result quickly. Upload, process, and download in a few clicks. Up to 50 MB per file.

Built & maintained by the OptaPDF Team Editorial standards Free · No sign-up · Files auto-deleted in 30 min
Secure TLS/SSL encryption 100% free, no signup Fast browser-based processing
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Drag & drop your files here

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Supported formats: .pdf (Max size: 50MB)

🔒 Secure temporary processing. Files are auto-deleted after 30 minutes.

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The processing step completed successfully. You can download your finalized file below.

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How to Use OCR PDF

Complete your task in four clear steps.

1

Step 1

Upload your scanned or image-only PDF file.

2

Step 2

The tool uses English language OCR automatically.

3

Step 3

Click 'OCR PDF' to run optical character recognition.

4

Step 4

Download your newly searchable PDF and easily select and copy text.

Why Choose OptaPDF for OCR PDF?

  • ✅ Turns flat, scanned images into searchable, copyable documents.
  • ✅ High-precision Tesseract OCR customized for English text recognition.
  • ✅ 100% free, secure, and auto-deletes files after 30 minutes.

Security Guarantee

Your upload is protected with TLS/SSL encryption. Files are automatically and permanently deleted from our servers after 30 minutes. We do not read, share, or store your content. OptaPDF works on iOS, Android, Chrome, Safari, Edge, and desktop browsers without an app installation.

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Frequently Asked Questions About OCR PDF

Get answers to common queries regarding security, speeds, and bounds of this tool.

To ensure maximum accuracy, our OCR service is optimized specifically for English text recognition.
No. The visual layout remains identical. The OCR engine places an invisible, searchable text layer directly on top of the original images.
Yes! There are no limits on the number of pages, subscription plans, or premium watermarks.
The processed PDF will be named with '_ocr.pdf' appended to the base filename (e.g., x_ocr.pdf).
We use the latest Tesseract OCR engine, which provides world-class accuracy for standard printed fonts.
Yes, once downloaded, you can highlight, copy, and search the text inside the PDF using any PDF reader.
For large documents, processing might take a little longer. Our background queues handle jobs reliably.
Yes, your files are encrypted in transit, never stored permanently, and auto-deleted after 30 minutes.
If the file is already a text-based PDF, running OCR is unnecessary, but doing so will not damage the file.
Yes, you can run OCR on scanned documents directly from your mobile browser.