Free IDN Converter.
Convert Internationalized Domain Names to Punycode and vice versa.
- Utilities
- Runs in your browser
IDN Converter
Examples
German City
City name with umlaut
Chinese Website
Common Chinese characters
Japanese Domain
Japanese characters
Russian Domain
Cyrillic characters
Arabic Website
Arabic script
Korean Portal
Korean domain name
Thai Website
Thai script domain
Greek Domain
Greek characters
Hebrew Site
Hebrew script
Vietnamese Domain
Vietnamese characters
Persian Website
Persian/Farsi script
Hindi Domain
Devanagari script
Turkish Site
Turkish characters
How it works
Five steps.
- 01
Enter an international domain name (IDN) in the input field.
- 02
Choose whether to encode to Punycode or decode from Punycode.
- 03
Click 'Convert' to transform the domain.
- 04
Review the output and verify the conversion.
- 05
Copy the converted domain name for use.
Features
Comprehensive IDN Conversion.
Instant IDN to Punycode Conversion
Easily convert internationalized domain names (IDN) to Punycode format with one click.
Punycode to IDN Decoding
Effortlessly decode Punycode back into its readable Unicode domain name.
One-Click Copy
Copy the converted domain name instantly to use anywhere.
Supports All TLDs
Works with any top-level domain (TLD), including .com, .de, .jp, and more.
Preserve Case and Protocol Options
Choose to keep the original letter case and include protocols (http/https).
User-Friendly Interface
Simple and intuitive design for fast and accurate conversions.
What is an Internationalized Domain Name (IDN)?
An IDN is a domain name that contains non-ASCII characters, such as accented letters or characters from languages like Chinese, Arabic, and Cyrillic.
What is Punycode?
Punycode is a way to encode domain names that contain Unicode characters into an ASCII format that can be used by the Domain Name System (DNS).
What is the difference between IDN and Punycode?
IDN refers to domain names that contain non-ASCII characters, while Punycode is the ASCII-compatible encoding used to represent them. For example, 'münich.de' in IDN format becomes 'xn--mnchen-3ya.de' in Punycode.
Why do I need to convert IDN to Punycode?
Some systems, such as domain registrars and older browsers, require Punycode for compatibility with non-ASCII domain names.
Can I convert Punycode back to IDN?
Yes, you can decode a Punycode domain back into its original IDN format.
Does Punycode affect website ranking or SEO?
No, search engines recognize both IDN and Punycode versions of a domain. However, it's best to be consistent with usage to avoid confusion.
Can I use Punycode for email addresses?
Yes, but email providers may handle internationalized email addresses differently. Check with your provider for support.
Do all browsers support IDN?
Most modern browsers support IDN, but some older versions may still display Punycode instead.
Are there security risks with IDN?
IDN homograph attacks (where visually similar characters are used to mimic another domain) can be a concern. Always verify domain authenticity.
Is this tool free to use?
Yes! Our IDN Converter is completely free to use with no limitations.
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