Resize Images for Social Media (Feed, Story, Profile)
Hit the right dimensions for each platform the first time, so your images are never awkwardly cropped.
一次到位对准各平台尺寸，让图片不再被尴尬裁切。
常用的尺寸
- Instagram 信息流：1080 × 1080（方图）或 1080 × 1350（竖图）。
- Instagram / TikTok 故事：1080 × 1920。
- 头像：320–400 像素，通常圆形显示。
一键对齐平台尺寸
打开「Instagram 尺寸」，选 Feed、Story 或 Reels，它会缩到精确尺寸，平台就不会再二次裁切你的内容。
任意自定义尺寸
其他情况用「批量图片缩放」，设定目标宽或高，工具会自动保持比例，绝不会拉伸变形。
证件与文件
若还需要护照 / 签证尺寸，「证件照裁剪」会按 300 DPI 输出标准毫米尺寸。
避免变形的小技巧
始终让工具保持比例，别把宽高都硬塞成不相关的数字。照片导出 JPG，图形导出 PNG。
Hit the right dimensions for each platform the first time, so your images are never awkwardly cropped.
Common sizes to remember
- Instagram Feed: 1080 × 1080 (square) or 1080 × 1350 (portrait).
- Instagram / TikTok Story: 1080 × 1920.
- Profile / avatar: 320–400 px, usually circular.
One click to platform specs
Open the Instagram Resizer and pick Feed, Story, or Reels — it scales to the exact size so the platform will not re-crop your post.
Any custom size
For everything else, the Bulk Image Resizer lets you set a target width or height and keeps the aspect ratio automatically, so nothing gets stretched.
Documents and IDs
If you also need passport or visa sizes, the Passport Photo Cropper outputs standard millimetre sizes at 300 DPI.
Tips to avoid distortion
Always let the tool keep the ratio; never force both width and height to unrelated numbers. Export photos as JPG and graphics as PNG.