The Wayback Machine -

ZefBox Beta

Warning! This modification is still work in progress! This is the beta version!

Welcome to ZefBox; an online tool for sketching and sharing chiptune melodies! ZefBox is a modded varient of John Nesky's Beepbox. If you haven't already, give Beepbox a try before coming here!

Like the original Beepbox, song data is packaged into the URL at the top of your browser. When you make changes to the song, the URL is updated to reflect your changes. When you are satisfied with your song, just copy and paste the URL to save and share your song!


November 25, 2018 (Sunday):
+ semi-square, saw narrow, deep sawtooth, high pulse, deep pulse
* changed some colors
November 29, 2018 (Thursday):
* changed instrument volumes
+ saw wide, saw pulse, and pulse
November 30, 2018 (Friday):
+ major thirds, minor thirds, and harmonic fifths
* changed bpm values to multiples of 5
- archives option
* reset defaults
December 10, 2018 (Monday):
+ spiketal, deep spiketal, squareroot, squaretal, and sawtal
+ ÷7 and ÷11 time signatures
- saw pulse
* special thanks to Khicetrizheimers (Alzheimers/Khitrish Mapping) for the new instruments and time signatures!
December 12, 2018 (Wednesday):
* changed deep spiketal to sawtal and sawtal to deep sawtal
+ import button!
December 13, 2018 (Thursday):
- spiketal and squareroot
December 27, 2018 (Thursday):
+ sinusoid, old retro, fifths hum, and lower key options
~ adjusted tempo steps
- quiver, destroyer, and annihilator