ToolSnippet
📦Part of Encoding & Decoding Utilities

Convert Internationalized Domain Names to Punycode

Encode non-ASCII domain names and emojis into DNS-compatible Punycode and decode xn-- domains to text.

About This Tool

Punycode (IDN) Converter translates Internationalized Domain Names containing accents, umlauts, non-Latin alphabets, and emojis into ASCII-compatible Punycode (xn--...) and vice versa.

Key Features

Bidirectional conversion (Unicode <-> Punycode)
Multi-domain batch conversion support
Emoji and non-Latin character support
Instant copy to clipboard

How to Use

  1. 1Enter one or more domain names (one per line).
  2. 2Click To Punycode (xn--) to convert to DNS ASCII format.
  3. 3Click To Unicode (Text) to decode Punycode into readable native characters.

Why Use ToolSnippet Punycode (IDN) Converter?

Essential for configuring DNS records and SSL certificates for international domains.
Batch convert multiple domains in one click.
Uses modern browser-native URL encoding standards.

Tips for Best Results

  • Use Punycode format when adding DNS records at your domain registrar
  • Punycode ensures international domain names resolve reliably across all email and web servers

Frequently Asked Questions

What is Punycode?

Punycode is a special encoding syntax used by the Domain Name System (DNS) to represent non-ASCII Unicode characters using limited ASCII letters, digits, and hyphens.

Why do Punycode domains start with xn--?

The xn-- prefix is the standardized Internationalizing Domain Names in Applications (IDNA) indicator for Punycode strings.

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