Latest Version:
2.0 Updated:
7 years ago Removed
Ready to install?
Otonal is available for download. Be careful when installing it.
Available versions
You can find the current and older versions of Otonal here. You can download the archived versions or inspect their source codes.
As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 2.0 | XPI · ZIP · Source code | 246.04KB | 0 | 2019-05-13 |
2.0 246.04KB
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Otonal ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Otonal ZIP file from step 1. Otonal is now installed on your browser.
Best Otonal Alternatives
Here are some Firefox add-ons that are similar to Otonal:
Monotonal
SRotherham
Otacom
Otacom-1364605272.2
Easy tones
Trumsi
tonoriz
mootonoladymoon
Osono Ota
Jea_257
Baritone
Parkie-1364605418.74
Chord O
stadees
Flex Tone
jazawo
fonendo
Firefox user 6307405
Euphonic Sound
daley2112
Two Tone
Muffin Everywhere
Vocaloid
kc-grrl-1364601234.99