Online Image Resizer Tool

Resize images without losing quality. Adjust dimensions, choose output format, and download instantly.

Resize Images in Three Simple Steps

Supports JPG, PNG, GIF, WebP formats - Resize JPEG image online, resize PNG online, compress image online

Width (px)

Height (px)

Maintain Aspect Ratio

Quality: 90%

Output Format

尺寸选择

Background Color

直接套用预设尺寸，即可生成适配社媒发布的成品图，无需二次裁剪。

1080 × 1080｜适合 Instagram / 微信朋友圈。

1080 × 1920｜适合 Story / Reels / 短视频封面。

1200 × 675｜适合 X / LinkedIn 横版发布。