Welcome! This is the official webpage for ESTRA: a voicebank for UTAU and OpenUTAU!

✩•*˚About˚•✩

Estra is a Voicebank developed for use in UTAU and OpenUtau programs. She was created by Knoxstation and is recorded in VCCV english.

As a character, ESTRA is a soft, but confident singer with a voice designed to reflect her bright personality. Despite her confident presence, she’s incredibly malleable and easily shaped by pop culture on Earth! Coming from space, she’s fascinated by everything the world has to offer, always eager to immerse herself in new trends and sounds.

Voice Description

A bright, clear female voice with a crisp and expressive tone.
ESTRA works best in mid-to-high ranges and with energetic or emotional vocal styles.


Listen to a snippet of her voice here!

Background Animation