Count the Hours

Tag, filter, and chart your calendar events using Esper

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Chart events on Google Calendar, Microsoft Exchange, Office 365, and more.

Smarter Over Time

Esper learns from previously tagged events automatically categorizes future events to save you time.

People Friendly

See whom you meet with the most and what you're meeting about.


Add a #hashtag to your event description to tag an event directly in your calendar.

Be a Team Player

Analyze events across multiple calendars and share with the people you work with.

Export Your Data

Want to do something we can't? Download charts and export tag data as CSV.

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