Web TWAIN SDK for modern applications

Scan directly
from the browser.

Integrate TWAIN-based document scanning into your web application – with just a few lines of JavaScript. Accessible, secure and lightning-fast.

TWAIN compatible
Encrypted
32 & 64 Bit
TWAIN Working Group Member
30+Jahre TWAIN-Expertise
1000+Unternehmen weltweit
Features

Everything you need, nothing you don't.

Encleso was built to make browser-based scanning as simple and powerful as possible.

All major browsers

Chrome, Firefox, Edge, Opera and more – Encleso runs wherever TWAIN is available.

Broad scanner compatibility

Supports nearly every TWAIN-compatible scanner – from sheet-fed to flatbed.

Flexible file formats

PDF, multi-page TIFF, PNG, JPEG and more – produce exactly the format you need.

Merge pages

Scan multiple times and combine all pages into a single document.

Secure & Encrypted

Encrypted connections and modern security standards protect your data at all times.

32 & 64 Bit support

From Windows 7 to Windows 11, 32-bit and 64-bit – one application for everything.

It's that simple

Three steps. Done.

01

Configure

Choose your scanner, set resolution, color mode and duplex – all directly in the browser.

02

Scan

Start the scan with one click. Scanned pages appear instantly in your web interface.

03

Save

Save as PDF, TIFF or image – download locally or send directly to your server.

Integration

In 4 Schritten zum Scanning.

Kopieren Sie den Code, passen Sie ihn an – und Ihre Web-App kann scannen. So einfach ist das.

index.html

"text-blue-400"> "text-indigo-400">src="https://encleso.com/Assets/scripts/encleso.min.js">"text-blue-400">>
Integration

Ready in 3 steps.
Start scanning now.

No build system, no framework lock-in. A single script tag is all you need to add TWAIN scanning to any web application.

Step 1

Include the SDK

Add a single <script> tag to your HTML page. No npm, no build step required.

Step 2

Register OnReady

The OnReady event automatically provides all available scanners – ready to use.

Step 3

Start scanning

One call to StartScan() is enough. You instantly receive a preview of the scanned document.

<!-- 1. Include SDK --><script src="https://encleso.com/Scripts/Encleso.js"></script><script>// 2. Register OnReady eventEncleso.OnReady = async function(ret) {  const scanner = ret.ScannersList[ret.DefaultIndex];  // 3. Start scan  const result = await Encleso.StartScan(scanner, false);  const preview = await Encleso.GetImagePreview(    result.ScannedImagesStartingIndex  );  document.getElementById("preview").src = preview;};</script><img id="preview" alt="Scan preview" />
Video Tutorial

See Encleso in action.

In this video we show you how quickly and easily you can integrate Encleso into your web application.

Accessibility

Accessible for everyone.

Encleso was built with accessibility at its core. The JavaScript library supports common accessibility standards, making your scan solution accessible to every user.

Semantic HTML with ARIA labels
Full keyboard navigation
High color contrast (WCAG AA)
Screen reader compatible
Focus management for all interactions
Scalable font sizes
Flexible licensing

Licensing

One-time license fee with 12 months of maintenance included.

Single Server License

incl. first 12 months maintenance

€999one-time
  • Use on one URL e.g. www.mycompanyurl.com
  • Unlimited users (no additional user license required)
  • Unlimited scans
  • TWAIN support for 32 & 64 bit drivers
  • 12 months maintenance including product updates
  • Full documentation with code examples
  • Email support
Most popular

Multi Server License

incl. first 12 months maintenance

€2.499one-time
  • Use on all URLs of the buyer (max. 20)
  • Unlimited users (no additional user license required)
  • Unlimited scans
  • TWAIN support for 32 & 64 bit drivers
  • 12 months maintenance including product updates
  • Full documentation with code examples
  • Email support

Maintenance extension

Optional subscription – cancelable annually. Extends access to updates and new versions for 12 months each.

  • 12 months access to product updates
  • Cancelable annually
  • Available at any time
€199/ year

All prices excl. VAT • Secure payment via Stripe • Immediate access after purchase

Customer testimonials

Trusted by companies worldwide.

"Your TWAIN driver opens up new worlds for this top scanner! Thank you very much!"

MY
Mr. Yorkse
Germany

"We found JSE over a weekend and couldn't be happier. The solutions are simple yet extremely effective and robust."

WS
Will Stateczny
Hill Country Software, USA

"The input channel, from the scanner to the archive with its fully automated evaluations, always runs via your scanning program. I can only say thank you!"

PH
Peter Hoegg
Allianz Beratungs- und Vertriebs-AG

"Your software was straightforward for our developers to evaluate, purchase and adapt to our specific needs. Highly recommended."

RV
Rick Voight
FMV Innovations

"Thanks to your prompt support, we were able to implement these scanners into our company software without any issues. No more annoying workarounds."

FF
Dr. Florian Freese
Specialist physician, Germany

"Your product works great. The customizations you made for us work perfectly. We are now booking many orders."

TC
Todd Chappell
Enmark Systems, Inc., USA
Frequently asked questions

FAQ

Everything important about Encleso – answered quickly and clearly.

Ready to integrate scanning into your
web app?

Try Encleso free for 30 days with full functionality. No credit card required.

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