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How OCR Works
1. Upload PDF
Upload your scanned PDF document
2. OCR Processing
AI extracts text from images with high accuracy
3. Searchable PDF
Download your text-searchable PDF
Premium OCR Features
High Accuracy
Advanced OCR engine for precise text extraction
Layout Preservation
Maintains original document formatting
100% Privacy Safe
All processing happens in your browser
Searchable Output
Find any text instantly with Ctrl+F
Turn Scanned PDFs Into Editable, Searchable Documents
Have a scanned PDF that you can't copy, search, or edit?
That's because scanned PDFs are just images. They look like documents, but the text inside isn't actually readable by your computer.
With AstraPDF's OCR PDF tool, you can convert scanned PDFs into searchable, selectable, and usable documents in seconds — without complicated software and without risky file uploads.
What Is OCR in a PDF?
OCR stands for Optical Character Recognition.
It's a technology that scans images inside a PDF and converts the visible text into real, searchable text.
After using OCR, you can:
- ✓Search for words inside the document
- ✓Copy and paste text
- ✓Highlight content
- ✓Use the file in document workflows
- ✓Convert it later to Word or other formats
If you've ever tried to search inside a scanned file and nothing happened — that PDF needs OCR.
Why Use OCR on a Scanned PDF?
Scanned PDFs are common for:
Without OCR, they're difficult to use.
Once processed, your PDF becomes:
If you need to reduce file size afterward, you can also use our Compress PDF tool.
When Should You Use OCR?
You should use OCR if:
- •You cannot select text inside your PDF
- •The file was created by scanning a physical document
- •Search inside the document doesn't work
- •You want to extract text from scanned pages
If your PDF contains multiple scanned files, you may first want to merge PDF files before applying OCR.
Improve Workflow After OCR
Once your file becomes searchable, you can:
OCR is often the first step in a complete PDF workflow.
Frequently Asked Questions
Is this OCR tool free?
OCR is available as part of AstraPDF Pro. Basic PDF tools remain free.
Can I edit the text after OCR?
OCR makes the text searchable and selectable. Advanced editing features may require exporting or additional tools.
Does OCR reduce file quality?
No. OCR adds a text layer without reducing visible quality.
Can OCR recognize handwriting?
The current version works best with clearly printed text.
Why Choose AstraPDF OCR?
There are many OCR PDF tools online. Here's why users choose AstraPDF:
No unnecessary signup
Simple, clean interface
Designed for real workflows
Privacy-focused processing
Works directly in your browser
We focus on doing one thing well — turning scanned PDFs into usable documents.
Start Converting Your Scanned PDF Now
If your document is not searchable, it's time to fix it.
Use AstraPDF's OCR PDF tool to convert scanned files into searchable, usable documents in seconds.