tesseract
tesseract
TLDR
Recognize text in an image and save it to output.txt (the .txt extension is added automatically)
$ tesseract [image.png] [output]
Specify a custom language (default is English) with an ISO 639-2 code (e.g. deu = Deutsch = German)
$ tesseract -l deu [image.png] [output]
List the ISO 639-2 codes of available languages
$ tesseract --list-langs
Specify a custom page segmentation mode (default is 3)
$ tesseract -psm [0_to_10] [image.png] [output]
List page segmentation modes and their descriptions
$ tesseract --help-psm