TWAIN 2.1 Scanner Support
Full ADF and duplex scanning with multi-image acquisition. A built-in wizard intelligently manages TWAIN states for you.
By Knowledgeone Corporation
Browser-Based TWAIN Document Scanning for Your Web Application
The easiest and lowest-cost way to add TWAIN scanning, OCR, barcode recognition and forms processing to any web app on Windows and macOS. One JavaScript SDK. One per-organization license. Unlimited users.
- ✓ Windows & macOS
- ✓ Chrome, Edge, Firefox, Safari
- ✓ Angular / React / Vue
- ✓ TWAIN 2.1 compatible
- ✓ Built-in OCR
- ✓ No per-user fees
Everything you need to scan, process and upload — from the browser
Stable, robust and proven — the same scanning engine powering Knowledgeone Corporation's RecFind 6, used by thousands of organizations every day.
Multi-Format Output
Save and upload as BMP, JPEG, PNG, TIFF, PDF and PDF/A — with inbuilt OCR for searchable PDF output.
Barcode & Forms Processing
Recognise barcodes and extract structured data from scanned forms — built right into your scanning toolkit.
Works With Any JS Framework
Drop into Angular, React, Vue, Node.js, jQuery or plain HTML5. Pure JavaScript, no plugin lock-in.
Powerful Image Editing
Let users rotate, crop, mirror, flip, redact and swap pages directly in the browser before upload.
Effortless Distribution
MSI-ready installer plus auto-detection — the scanning service downloads itself when needed.
Developer-friendly pricing
A single upfront fee per organization. No royalties. No per-user charges. No per-document fees. Optional annual maintenance after year one.
Organization License
Everything you need to ship TWAIN scanning in your web app.
One-time fee
- ✓ Unlimited developers
- ✓ Unlimited end users
- ✓ Unlimited scanned documents
- ✓ Sample application & source code
- ✓ 12 months of support
- ✓ 12 months of updates
Frequently asked questions
What is WebTWAIN SDK?
WebTWAIN SDK is a browser-based JavaScript toolkit that adds TWAIN document scanning, OCR, barcode recognition and forms processing to any web application running on Windows or macOS.
Which browsers and operating systems are supported?
Microsoft Edge, Google Chrome, Mozilla Firefox, Safari and Internet Explorer 11+ on Microsoft Windows and Apple macOS.
How is WebTWAIN SDK licensed?
A single one-time fee per organization. Unlimited developers, end users and documents — no royalties of any kind. Optional annual maintenance after the first twelve months.
Which frameworks can I integrate with?
Any JavaScript stack — Angular, React, Vue, Node.js, jQuery, HTML5 and classic HTML/VBScript pages.
What output formats are supported?
BMP, JPEG, PNG, TIFF, PDF and PDF/A — with inbuilt OCR available for PDF and PDF/A.
Ready to add TWAIN scanning to your web app?
Talk to our team, watch a live demo, or send us a question — we're happy to help.