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.TH "PCT2RGB" "1" "Aug 18, 2026" "" "GDAL"
.SH NAME
pct2rgb \- Convert an 8bit paletted image to 24bit RGB.
.SH SYNOPSIS
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.INDENT 3.5
.sp
.EX
pct2rgb [\-\-help] [\-\-help\-general]
           [\-of format] [\-b band] [\-rgba] [\-pct palette_file] <source_file> <dest_file>
.EE
.UNINDENT
.UNINDENT
.SH DESCRIPTION
.sp
This utility will convert a pseudo\-color band on the input file into an output
RGB file of the desired format.
.sp
\fBNOTE:\fP
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.INDENT 3.5
pct2rgb is a Python utility, and is only available if GDAL Python bindings are available.
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.TP
.B \-\-help
Show this help message and exit
.UNINDENT
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.TP
.B \-\-help\-general
Gives a brief usage message for the generic GDAL commandline options and exit.
.UNINDENT
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.TP
.B \-of <format>
Select the output format. If not specified, the format is guessed from the extension.
Use the short format name.
.UNINDENT
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.TP
.B \-b <band>
Band to convert to RGB, defaults to 1.
.UNINDENT
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.TP
.B \-rgba
Generate a RGBA file (instead of a RGB file by default).
.UNINDENT
.INDENT 0.0
.TP
.B \-pct <palette_file>
Extract the color table from <palette_file> instead of getting it from <source_file>.
Can be used to have a consistent color table for multiple files.
The <palette_file> must be either a raster file in a GDAL supported format with a palette
or a color file in a supported format (txt, qml, qlr).
.UNINDENT
.INDENT 0.0
.TP
.B <source_file>
The input file.
.UNINDENT
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.TP
.B <dest_file>
The output RGB file that will be created.
.UNINDENT
.sp
The \(aq\-expand rgb|rgba\(aq option of \fI\%gdal_translate\fP obsoletes that utility.
.SH RETURN STATUS CODE
.sp
The program returns status code 0 in case of success, and non\-zero in case of
error (non\-blocking errors emitted as warnings are considered as a successful
execution).
.SH AUTHOR
Frank Warmerdam <warmerdam@pobox.com>, Silke Reimer <silke@intevation.de>
.SH COPYRIGHT
1998-2026
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