About

What is Punycoder?

It is a web application that converts a text with special characters (Unicode) to Punycode encoding (just ASCII) and vice-versa. It is used for internationalized domain names (IDN).

Features & advantages

Realtime conversion — Unicode to ASCII (Punycode) and vice versa
Free: Even registration is not required
Web app: No download is required

Use cases

Domain registration — Entering domain name someone wishes to register in Punycode
System administration — Configuring a system where a domain name is required but the system does not automatically do the Punycode conversion
Software development — When there is a need to encode a domain, e.g. when making an API call

Audience

Software developers — Who need to encode or decode internationalized domain names in their applications
System administrators — Who need to configure DNS or systems with Punycode domain names
Domain registrars & webmasters — Who work with internationalized domain registrations

Company behind

Punycoder is operated from Prague by Glueo, s.r.o., a Prague based software development company, operating its own online services like Punycoder as well as providing custom software development.