IDN Converter: Convert umlaut domains to ASCII notation

In an attack of legal domain grabbing, I once bought a number of IDN domains that have good keywords as domain names. These are umlaut domains with Unicode notation, which, however, are not yet accepted by some hosting administrations. In order for these admin tools to work with the IDN domains, the domain names must be stored in ASCII notation.

I always use Verisign's IDN converter for this purpose. A web-based tool that allows the conversion of several domains in one go without having to type in captchas. The tool also enables conversion in the other direction: from ASCII to Unicode.

Here is the link to it:


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In the Sir Apfelot Blog you will find advice, instructions and reviews on Apple products such as the iPhone, iPad, Apple Watch, AirPods, iMac, Mac Pro, Mac Mini and Mac Studio.