OVERVIEW

A browser-based tracker inspired by classic MOD/XM sequencers. Compose patterns, arrange them in a song sequence, and export to MOD format. All data is stored locally — no server, no account needed.

KEYBOARD SHORTCUTS

Space

Play / Stop pattern

Shift+Space

Play / Stop song

Arrows

Move cursor

Ctrl+Z / Y

Undo / Redo

Ctrl+C / V

Copy / Paste selection

\

Note cut (^^^) / Clear

i / Insert

Insert row (shift down, all tracks)

Shift+i

Insert row (shift down, selected tracks only)

Shift+Bksp

Delete row (shift up)

Del / Bksp

Clear cell field

Shift+Click

Extend selection

Shift+Arrows

Extend selection

Ctrl+F

Fill selection

NOTES

A–K keys

Enter notes (white keys)

W E T Y U

Black keys (sharps)

Ctrl+↑↓

Change base octave

0–9 (INS)

Select instrument digit

0–9 / A–F (VOL/FX)

Hex / decimal input

P

Panning — 00=left, 80=center, FF=right

M

Micro Tuning — 80=center, fine pitch offset

T

Transpose — semitone offset (01–7F=+up, 81–FF=−down, e.g. 0C=+1 oct, F4=−1 oct)

G

Glide — slide pitch from previous note

F

Slide Up — pitch slides up by value each tick

J

Slide Down — pitch slides down by value each tick

L

Low Pass Filter — cutoff 00–FF

B

Band Pass Filter — cutoff 00–FF

H

High Pass Filter — cutoff 00–FF

D

Overdrive — amount 00–FF

s

Delay Send — mix amount 00–FF

t

Reverb Send — mix amount 00–FF

g

Volume LFO — depth 00–FF

h

Panning LFO — depth 00–FF

j

Filter LFO — depth 00–FF

k

Position LFO — depth 00–FF

I

Finetune LFO — depth 00–FF

p

Position — sample start offset 00–FF

r

Reverse Sample — play sample backwards

n

Random Note — randomise note within range (lo/hi nibble)

i

Random Instrument — pick random instrument

v

Random Volume — randomise volume within range

C

Chance — probability of note triggering (00=never, FF=always)

!

Off — force note off immediately