Try these tutorials with After Effects
Create visual effects and motion graphics.
Elevate your motion graphics with letter-by-letter text animation.
Enable an animator
Add an animator to a text layer property to reveal the Range Selector and animate letters one at a time.
Change the Range Selector value
Use keyframes to animate one of the Range Selector values, animating that property one letter at a time.
Skip over spaces for a more fluid animation
Enable the Characters Excluding Spaces option to skip over any space between words in your graphic, resulting in a smoother final animation.