How to use: Defang IP Addresses

Defang IP Addresses is a free online IP Tools tool that takes a IPv4 or IPv6 address and 'Defangs' it, meaning the IP becomes invalid, removing the risk of accidentally utilising it as an IP address instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

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Description

Takes a IPv4 or IPv6 address and 'Defangs' it, meaning the IP becomes invalid, removing the risk of accidentally utilising it as an IP address.

  • IP Tools
  • Because everything is computed client-side, Defang IP Addresses is safe to use with sensitive data such as API keys, tokens or private logs.
Input Defang IP Addresses Output Runs 100% in your browser — your data never leaves your device.
Defang IP Addresses — Input → Output

How to use

Using Defang IP Addresses takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.
How to use · Defang IP Addresses 1 Paste your data intothe input box (or loadthe example). 2 Configure the optionsto match your targetformat or scenario. 3 Copy, download orinspect the output —it updates live as youtype.
How to use

Run

Use cases

Common situations where Defang IP Addresses helps:

  • Takes a IPv4 or IPv6 address and 'Defangs' it, meaning the IP becomes invalid, removing the risk of accidentally utilising it as an IP address.

Parameters

This tool has no options — it works on the input alone.

FAQ

What is Defang IP Addresses?

Defang IP Addresses takes a IPv4 or IPv6 address and 'Defangs' it, meaning the IP becomes invalid, removing the risk of accidentally utilising it as an IP address. It runs entirely in your browser, so your data stays private.

Is Defang IP Addresses free to use?

Yes. Defang IP Addresses is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

Good to know

  • Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.
  • The worked example below could not be pre-computed for this tool (threw: function is not iterable (cannot read property Symbol(Symbol.iterator))); the interactive tool above still works normally.

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