Quick answers.

No. Pick a nickname and bump. Your nickname lasts for that bump only unless you save it.

5 to 20 people. Enough for a good chat, small enough to follow. Rooms close when quiet and new ones open.

Yes. No phone or real name needed. Use a throwaway name each time if you want.

Block hides you from them. Report sends the last messages to a mod. We act fast.

Rooms fade after inactivity. We keep messages only briefly for moderation, then they are gone.

Yes, it works in the browser. No install needed.

Only if both people agree to open a side bump. No unsolicited DMs.