PDFNestly

OCR PDF — Recognize Text & Create Searchable PDF

Run real Optical Character Recognition (Tesseract.js) on scanned PDF pages to extract text and generate a searchable PDF.

Tool #17 · /ocr-pdf
OCR processing runs in your browser via WebAssembly.
Mode: Private Browser OCR Engine

1. Select Document Input

Upload your own file(s) or load a real sample document to test OCR PDF immediately.

How to Use OCR PDF

  1. 01.Upload a scanned or image-based PDF.
  2. 02.Select document language (English, Spanish, French, German, etc.) and page range.
  3. 03.Run OCR to view recognized text with confidence scores and download the searchable PDF.

Document Processing & Privacy Notes

Processing Mode:Private Browser OCR Engine
Specifications & Quality:

Renders each PDF page to high-contrast bitmap, runs Tesseract OCR with word bounding boxes, and embeds a searchable text layer plus full plain-text transcript.

Document Privacy:

OCR processing runs in your browser via WebAssembly.

Frequently Asked Questions — OCR PDF

How accurate is the OCR engine?

Tesseract neural LSTM models achieve high accuracy on clean 150–300 DPI scans and report exact word confidence percentages.

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