Flickerdrum

A full-field ganzflicker that listens to a drumming track and locks its flicker to a multiple of the drum rate.

Photosensitive seizure warning. This page produces intense full-screen flashing light. Do not use it if you have epilepsy, a history of photosensitive seizures, or any doubt about your neurological response to strobe light. Stop immediately if you feel unwell.

It stops instantly: click anywhere or press any key.

Flickerdrum

the light follows the drum

Drum track

Use a local audio file (mp3, wav, ogg). If your track lives on YouTube, convert it to an audio file first — or use a freely distributed drumming track from shamanicdrumming.com, archive.org, or pixabay.

Upload a track to read its tempo.
Colors

Runs fullscreen. Click anywhere or press any key to stop instantly.