OCR PDF Recognize Text

Convert scanned PDFs into searchable documents and extract editable text in your browser.

Related PDF Utilities:

Scan to PDF Compress PDF Repair PDF Merge PDF

How to OCR and Extract Text from PDF Documents

Scanned PDFs and photographed paperwork usually trap important information inside flat images, preventing text selection or search. AWSM Tools OCR PDF scans document pixels locally, reconstructs character geometry, and generates both an editable text transcript and a compliant Searchable PDF with an invisible text layer overlay.

Step-by-Step Guide

Select or Drop PDF: Choose your scanned PDF or click Try Sample Scanned Document to test immediate recognition.
Configure Auto-Contrast: Leave Auto-Contrast Filter checked to clean background paper shadows and sharpen character edges.
Run OCR Recognition: Click Start OCR Recognition. The engine parses page streams and runs optical recognition.
Export Text or Searchable PDF: Switch between the Extracted Text tab (to copy or download as .TXT) and the Searchable PDF tab (to download an ISO-compliant PDF with selectable text).

OCR Output Comparison Matrix

Output Mode	File Format	Visual Appearance	Searchability (Ctrl+F)	Primary Use Case
Searchable PDF (Overlay)	.PDF	100% Identical to Original Scan	Fully Searchable & Selectable	Digital archives, legal filings, indexed enterprise search
Extracted Plain Text	.TXT / Clipboard	Raw Formatted Text	Yes	Word processors, spreadsheets, data ingestion pipelines

Need to capture new physical documents from your webcam or phone?

Use Scan to PDF to digitize paper receipts with real-time black & white photocopier filters.

Open Scan to PDF

Frequently Asked Questions

What is the difference between a standard scanned PDF and a Searchable PDF?

A standard scanned PDF consists solely of flat raster images where text cannot be highlighted, searched, or copied. A Searchable PDF incorporates an invisible text layer positioned precisely over the visual characters, enabling full-text search (Ctrl+F) and text selection in standard PDF viewers.

How does this tool perform OCR without uploading my files to a server?

The entire OCR pipeline runs locally inside your browser using client-side Web Workers, HTML5 Canvas rendering, and optical character recognition routines. Your document never leaves your machine.

Can I copy the recognized text to clipboard or export it as a text file?

Yes. The results panel offers both a 1-click 'Copy Text' button and a 'Download .TXT' option alongside the Searchable PDF generator.

What does the Auto-Contrast Filter do?

The Auto-Contrast Filter analyzes luminance values across each page canvas, stretching dark text strokes while eliminating gray paper noise. This significantly improves character recognition on low-contrast or faded scans.

Is there any document limit or page restriction?

No. There are no artificial page quotas, document limits, or watermarks. Since all processing utilizes your local device memory, you can OCR documents of any size.