The Windows version requires installation of Visual Studio. Dependencies for running Tesseract include Autotools and Leptonica.A list of available langcodes can be found on the MacPorts Tesseract page.

Once it is installed, you can install Tesseract by running the command sudo port install tesseract, and any language with sudo port install tesseract.

The easiest way to install Tesseract on Mac OSX is with MacPorts.

Older versions of Tesseract and its language packs are found on the discontinued Google Code download page.

The latest downloads for Linux and Windows are found on GoogleDrive.

Google acquired Tesseract in 2006 and currently maintains its development. After a decade of minimal development it was released in 2005 for open source. It was initially developed at HP during a 10 year period from 1984 to 1994. It can be used directly, or (for programmers) using an API. Tesseract is an Open Source OCR engine, available under the Apache 2.0 license.

Between 19 it had little work done on it, but since then it has been improved extensively by Google.ĭevelopment of Tesseract is sponsored by Google. It was one of the top 3 engines in the 1995 UNLV Accuracy test. Combined with the Leptonica Image Processing Library it can read a wide variety of image formats and convert them to text in over 60 languages. Tesseract is probably the most accurate open source OCR engine available.

Open source ocr for mac os x