调整图片大小 | Img2Web
按比例调整宽度、高度或百分比，并提供适合社交媒体的预设尺寸。 免费、快速，尽可能在浏览器本地处理。
How to use 调整图片大小
Choose your file: Open 调整图片大小, select a file from your device or drop it into the tool area.
Configure the output: Review the preview, adjust the available options and keep settings aligned with the file destination.
Process and download: Start browser-side processing, review the generated file and download the final result.
Tool details
Category: 编辑.
Accepted formats: JPG, PNG, WebP, AVIF, GIF, SVG.
Supports multiple files when the task allows it.
Practical guide
调整图片大小 helps with 编辑 tasks when you need a fast, private result that is ready to download. This page covers accepted formats, best practices and checks before you publish, share or archive the final file.
When to use it
Main purpose: 按比例调整宽度、高度或百分比，并提供适合社交媒体的预设尺寸。 免费、快速，尽可能在浏览器本地处理。
Works well for multiple files at once, especially in 编辑 workflows.
Use it before publishing images on pages, ads, documents or social media.
Formats and output
Accepted inputs: JPG, PNG, WebP, AVIF, GIF and other compatible formats.
The output depends on the options selected in the tool.
Files stay in the browser during the task and no account is required.
Best results
Apply small adjustments and review the result before replacing the original file.
Check the preview before downloading, especially for images with small text or transparency.
Keep an original copy when the file matters for work, study or documents.
Privacy and benefits
No login or account required.
On-device processing whenever possible.
Files are not stored on a server.
关于此工具
会在本地处理吗？
浏览器支持时会本地处理。
文件会被保存吗？
不会，不提供永久存储。
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