图片放大 | Img2Web
使用高质量 Canvas 插值算法放大 2 倍、3 倍或 4 倍。 免费、快速，尽可能在浏览器本地处理。
How to use 图片放大
Choose your file: Open 图片放大, 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: 可选 AI.
Accepted formats: JPG, PNG, WebP, AVIF, GIF, SVG.
Supports multiple files when the task allows it.
Practical guide
图片放大 helps with 可选 ai 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: 使用高质量 Canvas 插值算法放大 2 倍、3 倍或 4 倍。 免费、快速，尽可能在浏览器本地处理。
Works well for multiple files at once, especially in 可选 ai workflows.
Useful for quickly improving images before publishing, selling or sharing.
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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