The software accepts scanned PDFs (no text layer), TIFF, JPEG, and PNG files. It handles 300-600 DPI grayscale images best.

Later versions moved to cloud-based recognition for "complex" formulas, but Ver.3.1 processes everything locally. This is a massive advantage for users with sensitive research data.


This isn't a watered-down trial. The free version of InftyReader ver. 3.1 gives you full access to its core conversion engine. Whether you are:

…this tool removes the paywall. Scientific knowledge should be accessible to everyone.