NAME¶

webpinfo - print out the chunk level structure of WebP files along with basic integrity checks.

SYNOPSIS¶

webpinfo OPTIONS INPUT
webpinfo [-h|-help|-H|-longhelp]

DESCRIPTION¶

This manual page documents the webpinfo command.

webpinfo can be used to print out the chunk level structure and bitstream header information of WebP files. It can also check if the files are of valid WebP format.

OPTIONS¶

-version

Print the version number (as major.minor.revision) and exit.

-quiet

Do not show chunk parsing information.

-diag

Show parsing error diagnosis.

-summary

Show chunk stats summary.

-bitstream_info

Parse bitstream header.

-h, -help

A short usage summary.

-H, -longhelp

Detailed usage instructions.

INPUT¶

Input files in WebP format. Input files must come last, following options (if any). There can be multiple input files.

EXIT STATUS¶

If there were no problems during execution, webpinfo exits with the value of the C constant EXIT_SUCCESS. This is usually zero.

If an error occurs, webpinfo exits with the value of the C constant EXIT_FAILURE. This is usually one.

EXAMPLES¶

webpinfo -h
webpinfo -diag -summary input_file.webp
webpinfo -bitstream_info input_file_1.webp input_file_2.webp
webpinfo *.webp

AUTHORS¶

webpinfo 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 Hui Su <huisu@google.com>, for the Debian project (and may be used by others).

REPORTING BUGS¶

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

SEE ALSO¶

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