klattsch

klattsch is a retro vocal synthesizer for your pocket. It is built on the kind of formant speech synthesis that made computers talk in the 1980s, so it does not sound smooth or human. It sounds strange, buzzy, and stiff, but eerily alive, and with a little practice it can talk, sing, and make sounds you have never heard come out of a phone.

Type something and hear it speak. Then bend the pitch, stretch the timing, and shape the voice until it is singing a melody or muttering like a haunted answering machine. klattsch rewards curiosity: the deeper you go, the more expressive and strange it gets. People have made amazing things with it, and you will too.

This is the full, DRM-free version. Everything is unlocked, forever. No ads, no accounts, no in-app purchases, no upsells, nothing gated. One download and it is all yours to keep.

What you can do

• Type plain English and klattsch sounds it out phoneme by phoneme.
• Write in Japanese kana or romaji and it speaks that too.
• Drop into raw ARPABET phoneme codes for total control over every sound.
• Give words a melody with notes, pitch glides, vibrato, and tremolo.
• Sculpt the voice with breathiness, spectral tilt, vocal effort, and formant scale.

Make it sing

Switch to the piano roll and draw notes directly. Place syllables on a grid, set their pitch and length, and build a full vocal line with no length limits. Six built-in voices (default, soprano, baritone, whisper, robot, and choir) get you started, and you can save your own.

Share your creations

Export a video to share anywhere, with an optional karaoke-style highlight that follows along as it sings. Export lossless WAV audio to keep or reuse. Import a backing track and make klattsch sing over it.

Built to respect you

klattsch works entirely offline. It has no ads and no accounts, it never tracks you, and everything you make stays on your device. The interface is available in English, Japanese, Korean, Spanish, Portuguese, Traditional Chinese, German, French, Thai, and Indonesian.

Authentic retro speech synthesis tech

Based on real 40+ year old text-to-speech technology and the work of early speech synthesis pioneers. klattsch can sound similar to many old computer voices and speech synths, because it works on the same principles.

100% super official

Made by the original creator of the viral klattsch site.

Whether you want to make a robot sing your favorite song, build glitchy vocal textures for a track, prank a friend with a little talking computer guy on your phone, or just explore how synthetic speech actually works, klattsch is a playground for the human voice at its most delightfully artificial.