copying text from picture

1. google keep
1.  it is working fine for english text
2. https://www.makeuseof.com/tag/best-android-ocr-apps-extracting-text-images/
2. following applies to office 2016,office 2013
3. https://support.office.com/en-us/article/copy-text-from-pictures-and-file-printouts-using-ocr-in-onenote-93a70a2f-ebcd-42dc-9f0b-19b09fd775b4
4.