Skip to content
PDFArk
Explore Tools
Zero Server Uploads · 100% Client-Side Privacy

OCR PDF Online for Free

Convert scanned paper documents and image-only PDFs into selectable, searchable text using optical character recognition.

Under Active Development

OCR PDF is Coming Soon to PDFArk

Currently optimizing WebAssembly Tesseract language models for fast, low-memory browser execution.

Client-Side Engineering Status

Standard implementations of OCR PDF rely on heavy server-side engines. We are actively compiling and benchmarking WebAssembly binaries and optimizing memory consumption so this feature runs smoothly on your device without transmitting a single byte over the network.

Guaranteed Zero Server-Side Uploads when launched.

Looking for an immediate solution?

How to Use OCR PDF in PDFArk

1

Upload Scanned PDF

Select your scanned document.

2

Select Document Language

Pick the primary language of the text.

3

Recognize & Download

Extract and download recognized text.

Why Choose PDFArk OCR PDF

Client-side OCR powered by WebAssembly Tesseract engine
Multi-language optical character recognition
Extract text layers directly without server processing
Exports to searchable text files

Frequently Asked Questions

Why does OCR take longer than other tools?

OCR evaluates image pixel matrices across multiple neural network passes directly inside your browser memory.

Related PDF Utilities