Jürgen Koller Software GmbH
Software and devices from Germany that process your data locally — no forced cloud, straight from the developer.
Discover our appsPDF Content Search App for macOS
Find any PDF in seconds – No endless searching anymore
Quick Installation
Ready in 2 minutes
OCR Text Recognition
Even scanned PDFs searchable
GDPR Compliant
Your data stays local
Try free for 30 days
Available in the Mac App Store
Free Web Tools
Handy online helpers – no sign-up, right in your browser
Create & scan QR codes
For URL, WiFi, vCard, email & more – free
Share text & files securely
No account, with expiry & self-destruct
Convert Apple documents
Pages, Numbers & Keynote to PDF and Word
Clean up text
Remove special characters & invisible Unicode
Multiplayer games in your browser
No download – just share a code
Balcony solar control
AI battery control with weather forecast