Fast Umlauts and Eszetts

Fast Umlauts and Eszetts

As you type A'', a'', O'', o'', U'', u'', s'' (two apostrophes) they are automatically converted to Ä, ä, Ö, ö, Ü, ü, ß respectively. E.g. Ko''nigreich would be converted to 'Königreich'.

What is Fast Umlauts and Eszetts?

Fast Umlauts and Eszetts is a Firefox add-on by crgowen. This add-on has 23 daily active users and was removed from Firefox Browser Add-ons 8 months ago. The latest version, 1.50, was updated 3 years ago.

This add-on was removed from Firefox Browser Add-ons on 2023-02-05
Stats date:
By: crgowen
Users: 23
Version: 1.50 (Last updated: 2021-01-16)
Creation date: 2019-08-25
Weekly download count: 1
Firefox on Android: No
Manifest version: 2
Size: 35.83K
Risk impact: High risk impact
Risk likelihood: High risk likelihood

Other platforms

Not available on Chrome
Not available on Edge

When activated and enabled through the extension icon (or by pressing Ctrl-Shift-O), select a text field and begin typing (an indicator should appear top right of the text field to let you know it's working), any sequences in your text matching the umlaut phrases will be converted to umlaut characters once you stop typing and wait 2 seconds.


  • A'' / a'' (two apostrophes) -> Ä / ä
  • O'' / o'' -> Ö / ö
  • U'' / u'' -> Ü / ü
  • S'' / s'' -> ß
Risk impact

Fast Umlauts and Eszetts is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Fast Umlauts and Eszetts if you trust the publisher.

Risk likelihood

Fast Umlauts and Eszetts may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

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