For Google Docs, you need to use the Google Drive OCR to convert handwritten notes to text. Google Keep's workaround works well with finger doodling, but the experience is still lackluster.

You can now bold and italicize in Notepad — no, seriously Convert handwriting to text: Take quick handwritten notes, and later convert them to text to align with the rest of your content.

The optical character recognition (OCR) software supplied with many scanners is next to useless with handwriting, no matter how neat it is, but there is another option.