OCR4all | Setup guide, user guide, developer documentation and more.

Optical Character Recognition (and more) for everyone

Setup guide, user guide, developer documentation and more.

Fully free and open-source

OCR4all is and will stay completely free and open-source. No subscriptions, paywalled features or private code.

From the high-quality processing of challenging manuscripts to the mass full-text recognition of printings

Manually annotate, correct or compare layout and text elements using the powerful LAREX editor.

All future versions of OCR4all are built to be fully compatible with the OCR-D ecosystem

Create complex OCR workflows through the UI without the need of interacting with code or command line interfaces.

Docker and a single command are all it takes to get OCR4all up and running, regardless of your operating system.