IDN Domain Converter
Convert internationalized domain names to Punycode and vice versa
Input Domain Names
Converted Results
When to Use IDN Domain Converter
DNS Configuration
Convert IDN domains to Punycode format required for DNS server configuration, A records, CNAME records, and nameserver settings.
Domain Registration
Verify domain availability and registration requirements by converting internationalized domains to their ASCII-compatible format.
Website Development
Ensure proper handling of international domains in web applications, email systems, and database configurations.
Server Management
Configure web servers, email servers, and hosting environments that require ASCII-only domain names in configuration files.
International Business
Expand your business globally with localized domain names that resonate with international customers while maintaining technical compatibility.
Quality Assurance
Validate and test internationalized domain names across different systems, browsers, and applications for consistent behavior.
Frequently Asked Questions
What is an IDN Domain Converter?
An IDN Domain Converter transforms internationalized domain names containing Unicode characters (like Chinese, Arabic, or Cyrillic) into Punycode format, which uses only ASCII characters and is compatible with DNS systems. This conversion is essential for domain registration, DNS configuration, and server management.
How does Punycode encoding work?
Punycode converts Unicode characters to ASCII using a special encoding algorithm defined in RFC 3492. For example, '中国.com' becomes 'xn--fiqs8s.com'. All Punycode domains start with the 'xn--' prefix followed by encoded characters that represent the original Unicode text.
Is this IDN converter tool free to use?
Yes, our IDN Domain Converter is completely free to use. You can convert unlimited domain names between Unicode and Punycode formats without any registration, payment, or usage restrictions. The tool works entirely in your browser for privacy and speed.
Can I convert multiple domains at once?
Yes, our tool supports bulk conversion. Simply enter multiple domain names (one per line) in the input field, and the tool will convert all of them simultaneously. This feature is perfect for domain managers and developers working with large lists of international domains.
Which languages are supported for domain conversion?
Our converter supports all Unicode languages and scripts including Chinese (中文), Arabic (العربية), Cyrillic (Кириллица), Japanese (日本語), Korean (한국어), Hebrew (עברית), Thai (ไทย), and even emoji domains. Any valid Unicode character can be converted to Punycode format.
Do I need Punycode for DNS configuration?
Yes, DNS servers and most server configurations require Punycode format for internationalized domains. When setting up DNS records, configuring web servers, or managing hosting settings, you must use the Punycode version of IDN domains for proper functionality.
Is my domain data safe when using this converter?
Absolutely. All conversions happen entirely in your browser using client-side JavaScript. Your domain names are never sent to our servers or stored anywhere. This ensures complete privacy and security of your domain information.
Can I download the conversion results?
Yes, you can download the converted results as a text file using the download button. The file will contain both the original and converted domain names in a clear format, making it easy to use the results in other applications or documentation.
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