Which languages are supported for scanned document and image OCR?

Our OCR engine supports English, Urdu (اردو), Arabic (العربية), Spanish, French, German, Chinese Simplified, Hindi, Russian, and Japanese with specialized trained models.

Can I extract text from multi-page scanned PDF documents?

Yes! ConvertHub renders multi-page PDF pages directly onto an in-browser canvas and processes OCR across pages, providing Plain Text, Markdown, and JSON word-level bounding box coordinates.

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Developer & Data Utilities•100% Private (WASM)

Image & PDF to Text OCR

Extract editable text from scanned documents, receipts, and images using client-side WebAssembly OCR in English, Urdu, and 8+ languages.

Instant browser processing Private & Auto-Purged

WebAssembly In-Browser OCR Engine

100% client-side recognition • Zero server upload • Tesseract WASM

OCR Language:

Source Document / Image

Drag & drop your file here, or browse

Max file size: 30MB (Free Tier)

PNGJPGWebPTIFFBMPPDF (Multi-Page)

Quick Sample PresetsClick to load

No OCR Result Yet

Upload an image or document, select your language, and click "Run Client-Side OCR Now" to extract text.

Lines: 0Words: 0Characters: 0

100% In-Memory Browser Execution

100% Client-Side Privacy GuaranteedZero Cloud Latency

Your data is computed entirely inside your browser's JavaScript engine and is never transmitted across the network.

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How to Convert with Image & PDF to Text OCR

Follow these 3 simple steps to complete your conversion in seconds.

Step 1 of 3

Paste or Upload Source Data

Paste your Image & PDF to Text OCR code directly into the left editor pane or click Upload to select a file.

💡 Tip: 100% client-side execution in your browser memory. Zero server uploads.

Step 2 of 3

Configure Syntax & Dialect Options

Adjust indentation (2 or 4 spaces), toggle alphabetical key sorting, set SQL table name and dialect quotes, or pick a built-in template.

Step 3 of 3

Instant Result & Copy / Download

View formatted output in real time with line numbers and syntax highlighting. Click Copy or Download to save.

Image & PDF to Text OCR Mathematical Formula & Conversion Logic

Formula representation used for accurate calculations:

Target Value = Source Value × Conversion Coefficient

Calculation Example: 1 Unit = Standard multiplier applied with floating-point precision arithmetic.

Image & PDF to Text OCR Quick Conversion Reference Matrix

Quick reference lookup table for standard unit calculations.

Input Unit	Calculated Output
1 Unit	Standard Ratio
5 Units	5× Ratio
10 Units	10× Ratio
25 Units	25× Ratio
50 Units	50× Ratio
100 Units	100× Ratio

Frequently Asked Questions

Common questions and answers about Image & PDF to Text OCR.

ConvertHub runs the complete Tesseract OCR optical character recognition engine directly inside your browser using WebAssembly (WASM). Model weights are downloaded directly to your local device memory, guaranteeing complete document privacy.