Browser based sythesizer, drum machine and squencer
Inspired by the recent Boards Of Canada announcement, I've been in a low-fi electronica mood lately and was going back and forth with Claude on how to design similar instruments in the browser that fit the genre. One thing led to another and pretty soon I had a fully browser based polyphonic synthesizer / drum machine / sequencer. The interface and workflow was heavily inspired by the Rebirth338 application released back in the 90's, but with lo-fi synth voices rather than the original 303 & 808 emulation. I know there's a significant overlap of developers and musicians and I…
In plain words
A browser-based synthesizer, drum machine, and sequencer that produces lo-fi electronica sounds. The tool combines a polyphonic synthesizer with drum sequencing capabilities, drawing interface inspiration from the 1990s Rebirth application but with lo-fi aesthetics rather than classic 303/808 emulation. Designed for musicians and developers interested in creating and experimenting with lo-fi electronic music directly in the browser, the application is open-sourced and includes performance scripts demonstrating its capabilities.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Inspired by the recent Boards Of Canada announcement, I've been in a low-fi electronica mood lately and was going back and forth with Claude on how to design similar instruments in the browser that fit the genre. One thing led to another and pretty soon I had a fully browser based polyphonic synthesizer / drum machine / sequencer. The interface and workflow was heavily inspired by the Rebirth338 application released back in the 90's, but with lo-fi synth voices rather than the original 303 & 808 emulation. I know there's a significant overlap of developers and musicians and I though some of you may enjoy playing with the app, or at least listening to the resulting album. I've also open sourced track 1 of the album via the performance script used to record it. It's in the repo. Bandcamp link to the resulting album: https://madmonk13.bandcamp.com/album/yesterdays-tomorrow-tod...
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