webpinfo - Man Page

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).