Cache groups
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Settings
Manage appearance, test preferences and cloud sync. Settings stay local first and can be synced manually after signing in.
Learning stage
Choose whether the home page and sidebar show junior or senior secondary tools. Other tool routes remain directly accessible.
Junior secondary
Senior secondary
Interface language
Choose the language used by the toolbox interface. Changes apply immediately and are saved with your settings.
简体中文
English
Appearance
Choose a preset theme, Pride Color or custom HCT color. Changes apply to this page immediately.
Pride Color
Scroll horizontally to see more flags
#4F7CFFRestore default theme
Color mode
Follow the system by default, or always use light or dark mode.
Follow system
Light
Dark
HCT color picker
RGB
First-letter hint
Show the first letter during vocabulary tests.
Typo review
When an answer is close to the correct spelling, ask you to review it before counting it as wrong.
Default test size
The default number of questions in a new vocabulary test.
Settings sync
Save the current local settings to your account, or to the custom source when developer mode is enabled and fully configured.
Initial setup
Restart the first-use guide to confirm sign-in and cloud settings before choosing a learning stage and appearance.
Data and offline management
Back up local learning data and manage offline caches for words, texts and app pages.
Unified backup
Includes settings, learning stage, initial setup, wrongbook and mastery. R2 keys and other custom-source credentials are never exported.
Offline content
Cache all 28 vocabulary units and 4 texts at once, or inspect and clear the current cache.
Cached entries
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Site usage
Not provided by this browser
Browser quota
Not provided by this browser
Persistent storage: Not provided by this browser
Advanced settings
These options are intended for advanced users. Developer mode is not required for normal learning.
Developer mode
Show a Developer options entry at the bottom of the navigation rail. Developer configuration stays in this browser.