Punycode Converter

Encode and decode Punycode domain names.

lock Encoding & Hashing verified_user Runs in your browser lock No data uploaded
grid_view All Encoding & Hashing apps Tool hub

Switch tool

lock Base64 Encode / Decode link URL Encode / Decode code HTML Entity Encoder key JWT Decoder fingerprint Hash Generator numbers Hex Encode / Decode translate ASCII Converter language Unicode Encoder sync ROT13 Encoder volume_up Morse Code Converter memory Binary Text Converter public Punycode Converter
tune

Workspace

Runs locally in your browser

verified_user Private bolt Instant
Convert internationalized domain names (IDN) to Punycode (xn--) and back.

About this tool

Encode and decode Punycode domain names This free Encoding & Hashing tool from Bhuvanesh C runs entirely in your browser — your data stays on your device.

FAQ

Common questions about the Punycode Converter.

Encode and decode Punycode domain names. It is part of my free Encoding & Hashing collection and works instantly in your browser.
Yes. This tool is completely free with no usage limits and no account required.
No. Processing happens in your browser whenever possible. Your input is not sent to my server.
Yes. The layout is responsive and works on phones, tablets, and desktops.
keyboard
auto_awesome New Typing

Free online typing test

Practice WPM, accuracy, quotes, and coding snippets — timed tests, personal bests, and key heatmaps. Free in your browser.

Start typing test arrow_forward