Right now, the Photos app has only a basic way to add text to videos, using a single font and a small set of seven colors.

With an upcoming Photos update, Google might bring extensive text features identical to what we've long seen on Instagram ...

We were able to activate new templating features in Google Photos that automatically add music and text to highlight videos.

For reference, Google Photos' video editor currently only lets users select one default font for their text overlay needs, ...

To add alt text on your Instagram photos, use the "Advanced Settings" link after you choose a filter when creating a post.