     IDN2(1)                                                             IDN2(1)
                                      July 2017

     NAME
          idn2 - Libidn2 Internationalized Domain Names conversion tool

     SYNOPSIS
          idn2 [OPTION]... [STRINGS]...

     DESCRIPTION
          idn2 tool converts DNS domains from UTF-8 to ASCII compatibile
          encoding (ACE) form, as used in the DNS protocol. The encoding format
          is the Internationalized Domain Name (IDNA2008/TR46) format.

          All input strings are expected to be encoded in the locale charset.

          To process a string that starts with -, for example -foo, use -- to
          signal the end of parameters, as in idn2 --quiet -- -foo.

          Mandatory arguments to long options are mandatory for short options
          too.

          -h, --help
               Prints help and exits.

          -V, --version
               Prints version and exits.

          -d, --decode
               Decode an ACE name according to IDNA2008.

          -l, --lookup
               Encode to ACE according to IDNA2008 (the default).

          -r, --register
               Registers a label.

          -T, --tr46t
               Enable TR#46 transitional processing.

          -N, --tr46nt
               Enable TR#46 non-transitional processing (default).

          --no-tr46
               Disable TR#46 processing.

          --usestd3asciirules
               Enable STD3 ASCII rules.

          --debug
               Prints debugging information.

          --quiet
               Silent operation.

                                        - 1 -          Formatted:  July 25, 2017

     IDN2(1)                                                             IDN2(1)
                                      July 2017

     Author
          Written by Simon Josefsson.

     Reporting bugs
          Report bugs to the gitlab issue tracker of the project
          https://gitlab.com/libidn/libidn2/issues.

                                        - 2 -          Formatted:  July 25, 2017