Preferences
Interface-side options only (not account settings)

Timestamp

Tip: your local offset right now is minutes.
Tokens: dddd ddd MMMM MMM YYYY MM DD D HH mm ss
Preview

Visibility

These settings affect your local device only (they do not change server data).
Mode
Stored UTC (unix): 0
0 = no cutoff
Timezone is shared with your timestamp offset preference, but these are separate input controls from room timestamp formatting.

Font Size

Applies immediately to Chat and Preferences (this device).
Preview
The quick brown fox jumps over the lazy dog.

/clear

These settings affect your local device only (they do not change server data).
Command notes
/ indicates a command attempt. It is not part of the command name.
# indicates a room reference. The room name itself does not include #.
Examples
/clear #general * today 300
/clear #* Timothy today 300
/clear #* * today 300
/clear #general * reset
Session start (UTC):

Active /clear rules (debug)

These rules are local-only (this browser). Cutoff is the first visible timestamp; older messages are hidden.
Set expiry to: seconds from now (UTC)
Kind Key Cutoff Set at Expires
If set, clicking Save will reset all /clear rules to this cutoff timestamp.
Preferences Backup