Convert scanned PDFs into copyable, searchable files using optical character recognition. Extract text client-side directly in your browser. No server uploads.
Files stay in your browser. Nothing is uploaded to any server.
How It Works
Scanned PDF papers, photo files, or receipts are simply flat image pages. You cannot search, copy, or highlight sentences inside them. Standard cloud converters index your personal documents to scan them. Our OCR PDF utility processes files locally inside your tab.
This tool uses WebAssembly compiles of Tesseract.js to scan images. The script renders your PDF pages to standard image overlays, runs character recognition logic on your CPU, and extracts content entirely offline.
When generating searchable PDFs, we place invisible copyable text boxes directly above the matching pixels using coordinates matching. This allows you to copy text layers easily while keeping the exact layout of the source scan.
Because OCR execution occurs entirely inside browser tabs using local Web Workers, no document bytes, extracted text segments, or private metadata are uploaded. This makes it safe to run OCR on bank drafts, tax letters, and utility scans.
No. We do not use external APIs or cloud databases to process your scans. The Tesseract engine loads WebAssembly files from CDNs and runs locally on your computer's RAM.
Offline OCR requires rendering high-resolution images and performing complex pattern recognition loops. Processing speed depends entirely on your computer's processor. Large files with multiple pages will take longer.
Currently, the tool supports English, Spanish, French, and German character recognition templates. You can switch the target language selection in the configuration dropdown.