📱 横向 WebP 转竖向Convert Landscape WebP to Portrait WebP

使用说明与常见问题How-to & FAQ

「横向 WebP 转竖向」是什么？What is the Convert Landscape WebP to Portrait WebP tool?

把横向 WebP 旋转或裁成竖向构图后导出。本地处理。可设置「方式」、「留白颜色」。Rotate or fit a landscape WebP into a portrait frame, then export. Processed locally. Settings: Mode, Pad colour.

如何使用「横向 WebP 转竖向」？How do I use the Convert Landscape WebP to Portrait WebP tool?

在「横向 WebP 转竖向」中，选择或拖入文件，按需设置「方式」、「留白颜色」等选项，然后点击每个结果旁的「下载」按钮即可；有多个文件时也可以点「全部下载（ZIP）」一次打包下载。In the Convert Landscape WebP to Portrait WebP: Choose or drop your files, set "Mode", "Pad colour", then click the Download button next to each result (with several files, "Download all (ZIP)" saves them together).

留白适配输出多大？How big is the padded output?

「留白适配」输出 3:4 的竖向画布：宽度不变时高度为宽度的 4/3（例如 120×80 → 120×160），原图不缩放，居中放置，四周用留白颜色填充。「旋转 90°」只旋转横向图片；已经是竖向或正方形的图片保持原样，并在结果里注明。Pad mode outputs a 3:4 portrait canvas: the width is kept and the height becomes 4/3 of it (for example 120×80 becomes 120×160). The image is not scaled; it is centred and the rest is filled with the pad colour. Rotate mode only rotates landscape images; images that are already portrait or square are left as they are, with a note in the result.

为什么只导出 WebP？Why does it only export WebP?

本页是 WebP 系列工具之一：把横向图片旋转 90°，或放进 3:4 竖向画布并用所选颜色留白（原图不缩放），再以无损 WebP 导出，像素与处理结果完全一致；已经是竖向的图片保持原样，下载的是原文件。需要 PNG 或 JPG 结果时，请用对应的通用图片工具。This page is one of the WebP tools: it rotates a landscape image 90°, or places it on a 3:4 portrait canvas padded with the chosen colour (the image is not scaled), and exports lossless WebP, so the pixels are exactly as processed. Images that are already portrait are left as they are and the Download gives the original file. For PNG or JPG output, use the matching general image tool.

会上传吗？Is anything uploaded?

不会，图片只在浏览器本地处理。No. Images are processed locally in your browser.

有哪些选项可以调整？What options can I adjust?

「横向 WebP 转竖向」的设置：「方式」可选 旋转 90°、留白适配（默认 旋转 90°）；「留白颜色」默认 #ffffff；可选文件：常见图片格式（含 HEIC、HEIF、AVIF、WEBP、BMP、JFIF）。每次生成结果都按当前设置处理。Settings in the Convert Landscape WebP to Portrait WebP — "Mode": Rotate 90°, Pad to portrait (default Rotate 90°); "Pad colour" default #ffffff; files: common image formats (including HEIC, HEIF, AVIF, WEBP, BMP, JFIF). The result always uses the current settings.

「横向 WebP 转竖向」免费吗？需要注册吗？Is the Convert Landscape WebP to Portrait WebP free? Do I need an account?

「横向 WebP 转竖向」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 Convert Landscape WebP to Portrait 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.