Is there any iphone Class that converts images to text format?

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I want to develop an iPhone application that is going to convert some sort of images to text formats. I want to know that is there any built-in library for achieving this purpose?

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Anurag On

I have used tesseract. Its accuracy ranges from 0-100% depending upon various factors like how well the image is captured,fonts and color of the text etc.

But it can give you very good result if you have a very clear image with very clear text.

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Tomato On

I suppose you are asking about recognizing text from images (OCR) and not about something like encoding image file into base64

There's no build-in OCR libraries in iPhone.

Depending on your budget and what accuracy you trying to achieve, you can try