webpinfo
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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
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 files in WebP format. Input files must come last, following options (if
any). There can be multiple input files.
Bugs
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).
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-07 UTC.
[null,null,["Last updated 2025-08-07 UTC."],[[["\u003cp\u003e\u003ccode\u003ewebpinfo\u003c/code\u003e is a command-line tool used to analyze WebP image files, displaying their structure, headers, and validating their format.\u003c/p\u003e\n"],["\u003cp\u003eIt provides options for controlling output, including version information, error diagnosis, chunk statistics, and bitstream header parsing.\u003c/p\u003e\n"],["\u003cp\u003eUsers can input multiple WebP files for analysis and can find further support and contribution information through the provided links.\u003c/p\u003e\n"],["\u003cp\u003eThe tool is part of the \u003ccode\u003elibwebp\u003c/code\u003e library developed by the WebP team, with source code available on Google's Chromium repository.\u003c/p\u003e\n"]]],["`webpinfo` analyzes WebP files, outputting their chunk structure and bitstream header data. It verifies file validity and offers options for version display, quiet mode (no chunk parsing details), error diagnosis, and chunk statistics. The tool accepts multiple WebP input files and provides usage instructions via `-h`, `-help`, `-H`, or `-longhelp`. Users can report bugs to the specified issue tracker. Patches are welcomed.\n"],null,["# webpinfo\n\nName\n----\n\n`webpinfo` -- Print out the chunk level structure of WebP files along with\nbasic integrity checks\n\nSynopsis\n--------\n\n`webpinfo OPTIONS INPUT` \n\n`webpinfo [-h|-help|-H|-longhelp]`\n\nDescription\n-----------\n\n`webpinfo` can be used to print out the chunk level structure and bitstream\nheader information of WebP files. It can also check if the files are of valid\nWebP format.\n\nOptions\n-------\n\n`-version`\n: Print the version number (as major.minor.revision) and exit.\n\n`-quiet`\n: Do not show chunk parsing information.\n\n`-diag`\n: Show parsing error diagnosis.\n\n`-summary`\n: Show chunk stats summary.\n\n`-bitstream_info`\n: Parse bitstream header.\n\n`-h, -help`\n: A short usage summary.\n\n`-H, -longhelp`\n: Detailed usage instructions.\n\nInput\n-----\n\nInput files in WebP format. Input files must come last, following options (if\nany). There can be multiple input files.\n\nBugs\n----\n\n- Please report all bugs to the issue tracker: \u003chttps://issues.webmproject.org\u003e\n\n- Patches welcome! See this page to get started: \u003chttps://www.webmproject.org/code/contribute/submitting-patches/\u003e\n\nExamples\n--------\n\n webpinfo -h\n webpinfo -diag -summary input_file.webp\n webpinfo -bitstream_info input_file_1.webp input_file_2.webp\n webpinfo *.webp\n\nAuthors\n-------\n\n`webpinfo` is a part of `libwebp` and was written by the WebP team. The latest\nsource tree is available at \u003chttps://chromium.googlesource.com/webm/libwebp\u003e\n\nThis manual page was written by Hui Su [huisu@google.com](mailto:huisu@google.com) for the Debian project\n(and may be used by others)."]]
