Toolora

IPv6 Converter

Expand or compress IPv6 addresses for easier inspection.

The IPv6 Converter expands compressed addresses such as ::1 into their full eight-group form, and compresses full addresses back to the shortest notation.
Mode

How to use

  1. Enter an IPv6 address with or without brackets.
  2. Choose Expand or Compress mode.
  3. Copy the normalized result.

Frequently asked questions

Does it support the double colon shorthand?

Yes, both expansion and compression handle the :: notation.

Can it convert IPv4-mapped addresses?

This version focuses on standard hexadecimal IPv6 addresses.