Online OCR offers a cloud based optical recognition engine. The RESTful API lets developers use the OCR technology to build ajax based apps or apps for smartphones such as iPhone, Android, and Blackberry. An app sends an image to the API, which them identifies the text within the image. The system supports jpg, png, gif and tif formats. A free trial is offered with 300 requests and full accounts charge 3-4 cents (US) per request.
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