This OCR plug-in and software successfully reads English characters from the browser and desktop screen.
The procedure to use this application is simple.
Step 1: Install the plugin and open any English site or Video
Step 2: To capture the Desktop, just click on the plug-in and it’ll screenshot your Desktop into Chrome and you can capture it like a normal image.
If you are interested to check their SOURCE code, check out their GitHub project link
DO NOT TRY TO OCR GOOGLE CAPTCHA