NAME

       img2webp - create animated WebP file from a sequence of input images.

SYNOPSIS

       img2webp [file_level_options] [files] [per_frame_options...]

DESCRIPTION

       This manual page documents the img2webp command.

       img2webp compresses a sequence of images using the animated WebP format.  Input images can either be PNG,
       JPEG, TIFF or WebP.

FILE-LEVEL OPTIONS

       The file-level options are applied at the beginning of the compression process, before the  input  frames
       are read.

       -o string
              Specify the name of the output WebP file.

       -min_size
              Encode images to achieve smallest size. This disables key frame insertion and picks the parameters
              resulting in smallest output for each frame. It uses lossless compression by default, but  can  be
              combined with -q, -m, -lossy or -mixed options.

       -kmin int

       -kmax int
              Specify  the  minimum and maximum distance between consecutive key frames (independently decodable
              frames) in the output animation. The tool will insert some key frames into the output animation as
              needed so that this criteria is satisfied.
              -mixed  Mixed  compression  mode:  optimize  compression  of  the image by picking either lossy or
              lossless compression for each frame heuristically. This global option disables  the  local  option
              -lossy and -lossless .

       -loop int
              Specifies the number of times the animation should loop. Using '0' means 'loop indefinitely'.

       -v     Be more verbose.

       -h, -help
              A short usage summary.

PER-FRAME OPTIONS

       The  per-frame options are applied for the images following as arguments in the command line. They can be
       modified any number of times preceding each particular input image.

       -d int Specify the image duration in milliseconds.

       -lossless, -lossy
              Compress the next image(s) using lossless or lossy compression mode. The default mode is lossless.

       -q float
              Specify the compression factor between 0 and 100. The default is 75.

       -m int Specify the compression method to use. This parameter controls  the  trade  off  between  encoding
              speed  and the compressed file size and quality.  Possible values range from 0 to 6. Default value
              is 4.

EXAMPLE

       img2webp -loop 2 in0.png -lossy in1.jpg -d 80 in2.tiff -o out.webp

BUGS

       Please report all bugs to the issue tracker: https://bugs.chromium.org/p/webp
       Patches         welcome!         See         this         page          to          get          started:
       http://www.webmproject.org/code/contribute/submitting-patches/

AUTHORS

       img2webp is a part of libwebp and was written by the WebP team.
       The latest source tree is available at https://chromium.googlesource.com/webm/libwebp

       This  manual  page  was  written by Pascal Massimino <pascal.massimino@gmail.com>, for the Debian project
       (and may be used by others).

SEE ALSO

       webpmux(1), gif2webp(1)
       Please refer to http://developers.google.com/speed/webp/ for additional information.

                                                January 23, 2017                                     IMG2WEBP(1)