FREE TOOLS · BY TWELVE DIGITAL
Tools that just work.
A focused collection of free web utilities — image, audio, PDF, and finance. No accounts. No tracking before consent. Hosted in Europe.
All tools
Freisteller
freisteller.twelve-tools.com
Remove backgrounds from images. Click the background, download a transparent PNG.
Image Compare
image-compare.twelve-tools.com
Compare two or more images side by side with pixel-level diff highlighting.
PDF Tools
pdf-tools.twelve-tools.com
Merge or split PDFs in your browser. No upload to external servers.
Rechenwerk
rechenwerk.twelve-tools.com
Free online calculators for German tax and finance. Everything runs in your browser.
Angle
angle.twelve-tools.com
Measure any angle on any image with a draggable on-image protractor.
Twelve Tools is the tools portal of Twelve Digital GmbH, a Munich-based technology company that builds focused, privacy-first web utilities. Each tool runs on its own subdomain with independent infrastructure.