.\" generated with Ronn-NG/v0.8.0
.\" http://github.com/apjanke/ronn-ng/tree/0.8.0
.TH "IDN2" "1" "January 2020" "" ""
.SH "NAME"
\fBidn2\fR \- Libidn2 Internationalized Domain Names conversion tool
.SH "SYNOPSIS"
\fBidn2\fR [OPTION]\|\.\|\.\|\. [STRINGS]\|\.\|\.\|\.
.SH "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\.
.P
All input strings are expected to be encoded in the locale charset\.
.P
To process a string that starts with \fB\-\fR, for example \fB\-foo\fR, use \fB\-\-\fR to signal the end of parameters, as in \fBidn2 \-\-quiet \-\- \-foo\fR\.
.P
Mandatory arguments to long options are mandatory for short options too\.
.TP
\fB\-h, \-\-help\fR
Prints help and exits\.
.TP
\fB\-V, \-\-version\fR
Prints version and exits\.
.TP
\fB\-d, \-\-decode\fR
Decode an ACE name according to IDNA2008\.
.TP
\fB\-l, \-\-lookup\fR
Encode to ACE according to IDNA2008 (the default)\.
.TP
\fB\-r, \-\-register\fR
Registers a label\.
.TP
\fB\-T, \-\-tr46t\fR
Enable TR#46 transitional processing\.
.TP
\fB\-N, \-\-tr46nt\fR
Enable TR#46 non\-transitional processing (default)\.
.TP
\fB\-\-no\-tr46\fR
Disable TR#46 processing\.
.TP
\fB\-\-usestd3asciirules\fR
Enable STD3 ASCII rules\.
.TP
\fB\-\-debug\fR
Prints debugging information\.
.TP
\fB\-\-quiet\fR
Silent operation\.
.SH "Author"
Written by Simon Josefsson\.
.SH "Reporting bugs"
Report bugs to the gitlab issue tracker of the project \fI\%https://gitlab\.com/libidn/libidn2/issues\fR\.