🔎 分析 WebPAnalyze WebP
读取 WebP 文件结构：有损（VP8）/无损（VP8L）/扩展（VP8X）、画布尺寸、透明通道、动画帧数与循环次数和每帧时长、ICC/EXIF/XMP 元数据、文件大小；不是 WebP 的文件会直接报错。可复制报告或下载 JSON。本地处理，不重新编码。Read the structure of a WebP file: lossy (VP8), lossless (VP8L) or extended (VP8X), canvas size, alpha, animation with frame count, loop count and frame durations, ICC/EXIF/XMP metadata and file size. Files that are not WebP are rejected. Copy the report or download it as JSON. Processed locally, nothing is re-encoded.
使用说明与常见问题How-to & FAQ
「分析 WebP」是什么？What is the Analyze WebP tool?
读取 WebP 文件结构：有损（VP8）/无损（VP8L）/扩展（VP8X）、画布尺寸、透明通道、动画帧数与循环次数和每帧时长、ICC/EXIF/XMP 元数据、文件大小；不是 WebP 的文件会直接报错。可复制报告或下载 JSON。本地处理，不重新编码。Read the structure of a WebP file: lossy (VP8), lossless (VP8L) or extended (VP8X), canvas size, alpha, animation with frame count, loop count and frame durations, ICC/EXIF/XMP metadata and file size. Files that are not WebP are rejected. Copy the report or download it as JSON. Processed locally, nothing is re-encoded.
如何使用「分析 WebP」？How do I use the Analyze WebP tool?
在「分析 WebP」中，选择或拖入文件，然后点击「复制报告」、「下载 JSON」按钮即可。In the Analyze WebP: Choose or drop your files, then click "Copy report", "Download JSON".
报告里有哪些信息？What does the report show?
文件大小；编码方式：有损（VP8）、无损（VP8L）或扩展格式（VP8X）；画布宽高；是否有透明通道（来自 ALPH 块、VP8L 的透明标志或 VP8X 标志）；是否为动画，以及帧数、循环次数（0 表示无限循环）和每帧时长；是否含 ICC 色彩配置、EXIF、XMP 元数据；以及全部数据块列表。The file size; the encoding: lossy (VP8), lossless (VP8L) or the extended format (VP8X); the canvas width and height; whether there is alpha (from an ALPH chunk, the VP8L alpha bit or the VP8X flag); whether it is animated, with the frame count, loop count (0 means forever) and each frame's duration; whether ICC, EXIF or XMP metadata is present; and the list of chunks.
改了扩展名的 PNG/JPG 会怎样？What about a PNG or JPG renamed to .webp?
本页按文件内容判断，不看扩展名：文件开头不是 RIFF….WEBP 的会提示「这不是 WebP 文件」。空文件（0 字节）会提示文件为空，并清除之前的报告。The page checks the file content, not the extension: a file that does not start with RIFF….WEBP is reported as "not a WebP file". An empty (0-byte) file is reported as empty and the previous report is cleared.
会上传或生成新图片吗？Is anything uploaded or re-encoded?
不会。本页只读取文件结构，不解码、不重新编码，也没有图片可下载；可以「复制报告」或「下载 JSON」保存结果。文件不会上传。No. The page only reads the file structure; nothing is decoded or re-encoded and there is no image to download. Use Copy report or Download JSON to keep the result. Files are not uploaded.
「分析 WebP」免费吗？需要注册吗？Is the Analyze WebP free? Do I need an account?
「分析 WebP」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Analyze WebP is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.