As we discussed here OCR tools (Optical Character Recognition) or OCR software  gives the ability to convert high-resolution image files containing typewritten/printed text, into editable text. OCR software can be used to convert PDF images to Word Documents.These Images are created through scanning the printed documents.
Read: Best PDF OCR Tools to Convert Scanned images to Text / Word Documents
Read: PDF Word Converter Free Download. Free PDF to Word Converter Tools
Now Google is offering OCR service through the Google Docs Service.Log in to your Google Docs and click upload.You will see the upload window like below.
Google Docs FREE PDF OCR Service
Google has added the new Service here.Select the check box “Convert text from PDF or image files to Google Docs documents New!
Now all the uploaded scanned images and PDF files will be handled differently. Google will convert text from PDF or scanned image files to Google Docs documents.

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