Resize PNG

Resize PNG images while preserving transparency and quality.

Resize PNG, JPG, WEBP or GIF images with full transparency support.

or drop images here

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Need to change the dimensions of a PNG file? Our 免费 PNG resizer lets you set exact pixel dimensions, scale by percentage, or fit to predefined sizes for social media and web. The tool uses high-质量 resampling specifically optimized for PNG format characteristics, including full transparency preservation. Whether you are creating thumbnails, preparing 图片 for a specific display size, or standardizing dimensions across a photo set, the resizer delivers clean results with no 质量 loss on downsizing. 上传 individual PNG files or process entire batches with the same settings. Set width only, height only, or both — with optional aspect ratio locking to prevent distortion. Everything runs in your browser for speed and privacy.

如何 调整大小 PNG

1

上传您的图片

Click "Select Files" or drag and drop your 图片 onto the upload area. Multiple files can be uploaded for batch resizing.

2

Set Target Dimensions

Enter exact pixel dimensions, choose a percentage scale, or select a platform preset. Lock the aspect ratio to prevent distortion.

3

调整大小 Your 图片

Click "调整大小" and the tool will scale your 图片 to the specified dimensions using high-质量 resampling.

4

下载结果

下载 resized 图片 individually or as a ZIP. Preview dimensions before downloading.

为什么 调整大小 PNG?

Precise pixel-level control over PNG dimensions

Format-specific resampling optimized for PNG

Scale by percentage or set exact dimensions

Aspect ratio lock prevents distortion

Batch resize multiple files simultaneously

免费 with no limits or account required

使用场景

Resizing PNG 图片 for website content areasCreating PNG thumbnails for galleries and catalogsStandardizing PNG photo dimensions for portfoliosPreparing PNG files for print at specific DPI and dimensionsResizing PNG screenshots and graphics for documentationBatch resizing PNG product 图片 for e-commerce

最佳实践 调整大小 PNG

  • Start with the highest resolution PNG source available

  • Lock aspect ratio to prevent stretching when changing dimensions

  • 调整大小 before applying compression for the most efficient workflow

  • Preview the resized PNG at target dimensions before downloading

  • Use batch mode for consistent dimensions across 图片 sets

FAQ