Impressum & Datenschutz

Independent Music Tools

Compose.
Harmonize.
Progress.

Four web apps for musicians and producers — right in your browser, no install needed.

♪ Open meloodi ◈ Open Harmonix ♬ Open NextChord ◎ Synth Brewer  ·  Coming soon
The Apps
♪
meloodi

A browser-based step sequencer with MIDI export. Choose your scale and mode — build beats and melodies with tap tempo, multi-track support and more.

Step Sequencer MIDI Export Multi-Track Scale & Mode Web Audio
app.meloodi.com →
KEY C
SCALE Major
BPM 120
TRACK 1 lead piano pad bell
1
2
3
4
5
6
7
8
B4
A#4
A4
G#4
G4
F#4
F4
E4
D#4
D4
◈
Harmonix

Explore music theory visually. Chords, scales, circle of fifths and progressions — all interactive. Your composing companion.

Chords Scales Circle of Fifths Progressions Music Theory
harmonix.meloodi.com →
C C#/Db D D#/Eb E F F#/Gb G G#/Ab A A#/Bb B
C 1 - 3 - 5
Cm 1 - ♭3 - 5
Cdim 1 - ♭3 - ♭5
Caug 1 - 3 - #5
♬
NextChord

Generate chord progressions by mood, scale and key. Visualize them on a piano keyboard and staff notation — all rule-based, no AI needed.

Chord Generator Piano Roll Note Sheet Moods Web Audio
nextchord.meloodi.com →
Root Note C
Scale Major
✳ Happy ☁ Sad ⚡ Tense ☁ Epic ✦ Dreamy ◉ Dark
Generate
C I
G V
Am vi
F IV
C G Am F
◎
Synth Brewer

A new instrument is brewing. Stay tuned.

Coming soon
Flavor Library
Low Pass
High Pass
Band Pass
Reverb
Chorus
Pitch LFO
WAV Export ⚄ Randomize J Chord
Sub Oscillator Oscillator
MIX
LEVEL
DETUNE
Pitch LFO Modulation
MIX
Flanger Effect
MIX
Chorus Effect
MIX
Brew Log
✓ WAV ready – C4 ⊙ Exporting WAV... ● Playing… ● Major chord ⚄ Randomized: Sub Osc, LFO… ● Playing…
Signal Chain
Sub…
Flang
Chor.
Pitch