Test your TWAIN app without buying hardware
Stop waiting for a scanner to arrive. TwainImporter Pro turns any image file into a scanner source — so you can write, debug, and automate TWAIN integration on day one.
Testing a TWAIN app shouldn't require physical hardware
TWAIN integration is notoriously difficult to test — physical scanners jam, require drivers, and can't run inside CI environments or virtual machines. TwainImporter solves this by presenting itself as a standard TWAIN data source, feeding your application a controlled set of images on demand.
Key capabilities for developers
Loop mode
Cycle through a folder of images continuously — perfect for automated stress tests or CI pipelines that need repeated scan events.
VMware & RDP support
Run inside any virtual machine or Remote Desktop session. No USB passthrough needed, no physical device attached.
Controlled test image sets
Point TwainImporter at a folder of known-good test images. Your app receives exactly those files, in exactly the formats you specify.
All image formats
Test with PDF (text, image, mixed), TIFF (multipage), JPEG, PNG, and more. Reproduce format-specific edge cases without special hardware.
Pro vs Developer/OEM edition
Pro — $99
one-time · commercial use
- PDF import
- Image enhancement
- MFP integration
- Kofax VRS emulation
- Loop mode
Developer / OEM — Contact
custom pricing · volume + redistribution
- All Pro features
- Volume licensing
- OEM redistribution rights
- INI-based silent install
- Block UI
- Priority support
Start testing your TWAIN app today
Full Pro version. 30-day free trial. No registration.