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

There is an online demo service which features  OCR feature of the Documents List Data API.You can utilize this service to convert your scanned images to Google Doc documents.The demo showcases the OCR feature of the Documents List Data API.You can upload an image and start an OCR operation on it. The extracted text is converted into a new Google Document.
You could use this feature to upload scanned letters or faxes  to Google Docs.
Step 1. Click the googlecodesamples url here.
Step 2. Grand access to googlecodesamples.com to access your Google Docs as shown below.Google free OCR Service access
Step 3. Upload the image file that needs to be converted to Text / Word Documents.
The Google Docs server will attempt to extract the text from the images , creating a new Google Doc for each image.
The following image formats are supported as of now

  • image/jpeg
  • image/png,
  • image/gifGoogle free OCR Service
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