Punycode Converter

Punycode Converter

Free

Free online Punycode encoding and decoding tool, supports encoding and decoding of Internationalized Domain Names (IDN) and Unicode strings. Suitable for Punycode conversion of non-ASCII character domain names such as Chinese, Japanese, and Korean domain names. Enter a domain name or Unicode text for one-click conversion.

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About Punycode Converter

Free online Punycode encoding and decoding tool, supports encoding and decoding of Internationalized Domain Names (IDN) and Unicode strings. Suitable for Punycode conversion of non-ASCII character domain names such as Chinese, Japanese, and Korean domain names. Enter a domain name or Unicode text for one-click conversion.

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User Guide

Key Features
  • Free online Punycode encoding and decoding tool, supports encoding and decoding of Internationalized Domain Names (IDN) and Unicode strings
  • Supports both Encode and Decode modes; enter a domain name or Unicode text to convert
How to Use
  1. Open the tool page — no installation needed
  2. Choose the operation mode (Encode/Decode) and input type (Domain/Text), optionally keep the xn-- prefix, then enter the content
  3. Click "Encode" or "Decode" to convert, then copy the result with one click
Important Notes
  • This tool is completely free and requires no sign-up
  • Everything runs locally in your browser — your data never leaves your device

Frequently Asked Questions

What is Punycode Converter?

Free online Punycode encoding and decoding tool, supports encoding and decoding of Internationalized Domain Names (IDN) and Unicode strings. Suitable for Punycode conversion of non-ASCII character domain names such as Chinese, Japanese, and Korean domain names. Enter a domain name or Unicode text for one-click conversion.

How do I use Punycode Converter?

Open the tool page — no installation needed Choose the operation mode (Encode/Decode) and input type (Domain/Text), optionally keep the xn-- prefix, then enter the content Click "Encode" or "Decode" to convert, then copy the result with one click

What should I know before using Punycode Converter?

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Is Punycode Converter free to use?

Yes, Punycode Converter is completely free. No download or installation required — it runs right in your browser.