Free Online Image Resizer — Change Image Dimensions Instantly

This free image resizer lets you change the width and height of any image directly in your browser. Use the aspect ratio lock to maintain proportions and prevent distortion. Download the resized image as JPG, PNG, or WebP.

Common Image Sizes to Resize To

• Social Media — Facebook cover (820×312), Twitter header (1500×500), LinkedIn banner (1584×396)
• Profile Pictures — 400×400 px for most platforms
• Web Images — 1200×630 px for Open Graph / social sharing previews
• Thumbnails — 150×150, 300×300 px
• HD Wallpaper — 1920×1080, 2560×1440 px

Aspect Ratio Lock

When the aspect ratio lock is enabled, changing either the width or height will automatically update the other dimension to maintain the original proportions. This prevents images from appearing stretched or squished.