For Windows:
- Voxal: Voxal is a free and open-source vocal processing program that offers a variety of effects including pitch shifting, formant correction, time stretching, and vocal synthesis. It's compatible with Windows, macOS, and Linux.
- Clownfish Voice Changer: Clownfish is a lightweight voice changer that allows you to apply various effects to your voice during calls or recordings. It supports Windows 7 and above.
- MorphVOX Jr.: MorphVOX Jr. is a slightly more advanced voice changer with more options and customization capabilities than the other two programs. It's also compatible with Windows 7 and above.
For macOS:
- GarageBand: If you have a Mac, you can use GarageBand's built-in vocal effects to create custom vocaloid sounds. GarageBand comes pre-installed on all new Macs, or can be downloaded from the App Store.
- Audacity: Audacity is a free and powerful open-source audio editor that includes a variety of plugins and effects for voice manipulation, including the ability to create vocaloid sounds.
For iOS and Android:
- Voicemod: Voicemod is a mobile voice changer app that works with both iOS and Android devices. It offers a wide range of effects and can be used on calls or recordings.
- Voice Changer with Effects: Voice Changer with Effects is another popular mobile voice changer app that offers various real-time effects and can be used on calls or recordings.
To ensure the safety and security of any downloaded program, make sure to only download from trusted sources such as the official websites of the program's developers or reliable app stores like the Apple App Store or Google Play Store. Always read reviews and ratings before installing, and ensure that you have reviewed any privacy and permission settings before using the app.