Viserio Cooldowns
Free raid cooldown planner
Plan your raid's healing and defensive cooldowns. Browse top-ranked Warcraft Logs cooldown usage, build your plan on a visual timeline, export it to your in-game addon, then compare your logs against the plan after the raid. Covers the current raid tier, actively maintained with frequent updates.
Hover a feature to see what it does
SubscribeNews & Changelog
5/15/2026•
feature
v4.22.0: Spell Guides
A new reference for healing officers — how to assign the core class spells for raid assignments, with talent pick rates, choice nodes, and the context you need to make the call.
5/20/2026•
feature
Talent pick rates are now more accurate per spec, we added hero talent selection per boss, and fixed an unruly ad.
5/19/2026•
update
A running list of raid calendar improvements driven by user feedback: bulk attendance editing, per-event rename, and server-time display with local-time conversion.
5/19/2026•
feature
Pick how each reminder shows up in-game — Icon, Text, Bar, or Circle — to match the new per-assignment display option in NSRT. Spell and assignment configs now also have a live preview.
5/18/2026•
update
Descriptive browser tab titles, matching WCL Top & Compare controls, a clearer Plan button, copy-to dropdown, smarter boss switcher, and a chain icon for linked notes.