A JNA Java wrapper for Leptonica Image Processing Library.
Lept4J is released and distributed under the Apache License, v2.0.
The library provides support for Leptonica native types and data structures — such as Pix, Boxa, Pixa, etc. — used in Tesseract OCR API.
On Windows: Microsoft Visual C++ v14 Redistributable
Since Leptonica Windows binaries were built using Visual Studio 2026 (v145) Platform Toolset, please ensure you have Microsoft Visual C++ v14 Redistributable installed.