UST File Extension

The UST file extension was created by UTAU and is also known as the UTAU Sequence Text File. UST is classified as a Audio Files and You can open and render the contents of this file in a Text Editor. You can open UST files in UTAU program.

UTAU Sequence Text File Type

UTAU Sequence Text File Type
Extension .ust
Developer UTAU
Popularity 5.0 (25 Votes)
Mime Type mime-type/not.available
Default Program UTAU
Category Audio Files
Format Text
Updated 7/1/2025

What is a UST File Type?

UST files can be read in the UTAU and exported in either MIDI (.MID) or VOCALOID (.VSQ) formats or returned to a .WAV file. We can also import VSQ and MIDI files and convert them to UST files.

Free Online UST Tools & Apps

Access powerful and secure free online UST tools to convert, view, edit, merge, split, and compare UST files — all without installing any software. Our tools support the .UST (UTAU Sequence Text File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your UST files directly from your device with ease.

UST Files Common Issues

There are few common issues with the UTAU Sequence Text File .UST File Extensions while opening the .UST files on Windows and MacOs, we have solution to those issues such as:

Can't Open UST Files?

  1. You must have supported software programs installed for UTAU Sequence Text File on your system such as UTAU.
  2. Associate default Utau UTAU program for *.ust (UTAU Sequence Text File) files.

    Associate UST Default Program on Windows
    1. Right-click a *.UST (e.g example.ust) file and click Open With.
    2. In the Open with dialog box, click Utau UTAU program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .ust files.

Related UST File Extensions

UST default file extension is .UST and other similer related extensions are:

All Platform Software Programs for UST File Extension

List of all softwares that can open the UST files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open UST File on Windows

Software License Developer
UTAU image. UTAU 000 for Windows Free UTAU

MacOs logo image - FileProInfo.comOpen UST File on Mac OS

Software License Developer

Linux logo image - FileProInfo.comOpen UST file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen UST file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen UST file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen UST file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

UST file extension icon image.About UST - UTAU Sequence Text File

FileProInfo is to help you understand about the UTAU Sequence Text File with *.UST suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for UST. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for UST, please let us know.

Updated 7/1/2025