Systems and techniques are provided for a time series explorer. A request for time series including filter criteria may be received, a time series that is responsive to the request for time series may be determined by comparing event data for the time series stored in an event log to the filter criteria. The event data may include indications of an event that occurred in an application running on a computing device. A visual representation of the time series may be rendered. The visual representation of the time series may include a visual representation of an event indicated by the event data for the time series, and the visual representation of the time series may be transmitted to be displayed on a display.