Settings
Appearance, sound, accessibility, and your data — all in one place.
Theme
Light or dark
Look
Mac or Windows — terminal, font, and hints
Accent
Interface accent color
Sound
Success sounds when you complete a task
Text size
Font scale across the whole site
100%
High contrast
Wider spacing
Helps with dyslexia
Reduce motion
Offline
Save lessons so you can open them without internet
Data
Progress, notes, and your review schedule are stored in this browser. Download a backup to move them to another device.