NAME

       etc1tool - ETC1 conversion tool

SYNOPSIS

       etc1tool  infile  [--help  | --encode | --encodeNoHeader | --decode] [--showDifference difffile] [-o out‐
       file]

DESCRIPTION

       etc1tool is a command line utility that lets you encode PNG images to the ETC1 compression  standard  and
       decode ETC1 compressed images back to PNG.

       Default is --encode

OPTIONS

       infile The input file to compress.

       --help Print this usage information.

       --encode
              Create an ETC1 file from a PNG file.

       --encodeNoHeader
              Create a raw ETC1 data file (without a header) from a PNG file.

       --decode
              Create a PNG file from an ETC1 file.

       --showDifference difffile
              Write difference between original and encoded image to difffile.  (Only valid when encoding).

       -o outfile
              Specify  the name of the output file.  If outfile is not specified, the output file is constructed
              from the input filename with the appropriate suffix (.pkm or .png).

SEE ALSO

       https://developer.android.com/tools/help/etc1tool.html

AUTHORS

       The Android Open Source Project.

                                                                                                     ETC1TOOL(1)