图片调整大小工具
在线免费调整图片大小。设置精确尺寸，选择输出格式，即时下载。
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将图片拖放到此处或点击上传
最大文件大小: 10 MB
使用方法
在线免费调整图片大小。设置精确尺寸，选择输出格式，即时下载。
- 1Upload an image by clicking the upload area or dragging and dropping a file.
- 2Enter the desired width or height in pixels; enable lock aspect ratio to auto-fill the other dimension.
- 3Choose the output format (JPEG, PNG, or WebP) and adjust quality if needed.
- 4Click Resize and download the resized image directly to your device.
主要功能
- Resize images by exact pixel dimensions with optional aspect ratio lock
- Supports JPEG, PNG, and WebP output formats with quality control
- All processing happens in the browser — no file is uploaded to any server
- Displays original and resized file size for comparison before downloading