retro vocal synth
make a tiny
computer sing.
klattsch is a delightfully strange speech synthesizer for making voices, songs, sound effects, and things nobody has named yet.
live synth
hear the little machine
free foreverclassic browser synth
900+ membersin the klattsch community
open engineMIT licensed on npm
the full app
from weird noises
to complete songs.
The klattsch voice you already love, plus a visual editor with hand-drawn pitch curves, four retro synthesis engines, harmonies, backing tracks, and proper exports—without losing the odd little soul of the original.
- 01draw every syllable
Shape pitch and timing in a piano-roll editor made for singing—draw pitch curves point by point or freehand.
- 02build the whole arrangement
Layer voice parts, pick a synthesis engine per part, and work against an imported backing track.
- 03choose how it looks
Render shareable videos with a choice of visualizers, alongside links and WAV exports.
choose your instrument
same voice.
different ways to play.
Start with the free classic. Move into the app when you want to compose visually, layer parts, or work offline.
| feature | classic browser synth | full app |
|---|---|---|
| workflow | type phonemes and commands | text + piano-roll + pitch editor |
| arrangement | one sequence | multiple voice parts + backing tracks |
| sharing | links, WAV, and video | links, WAV, and video with more visualizers |
| where it works | modern web browser | desktop + Android, including offline |
| price | free forever | $9.99 · all future updates |
itch.io/BOOTH or google play?
| feature | google play | itch.io · BOOTH |
|---|---|---|
| price | $4.99 launch price · one-time pro unlock | $9.99 / ¥1,500 · one purchase |
| platforms | android only | windows, macOS, linux + android APK |
| free version | free app — same features as the demos | free desktop demos |
| paid version | pro unlock — the same full features, for android | the full app on every platform + all future updates |
made with klattsch
people make cool
stuff with this.
People use klattsch for covers, original songs, games, sound effects, and beautiful experiments. Here is where to begin.
more klattsch
klattsch toys
Three free things built around the same little speech synthesizer.