Tip: How to Convert Image Text to Text

…to convert a text image to text:

1. Upload the text image to Google Drive

2. Once the file is uploaded, use the contextual menu (right-click or two fingers on touchpad)

3. Select “Open with Google Docs”

4. A new Google Docs file is created, with the image at the top of a new Google Docs file. The converted text displays underneath the image

You can now edit the text, change formatting, or correct any typos.

Source: Quick Tip: How to Convert Image Text to Text