Free Online Image Resizer

Resize your images to specific dimensions while preserving aspect ratio. Perfect for web optimization.

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Drop images here or click to browse
Supports JPEG, PNG, WebP • GIF (first frame only) • SVG (rasterized) • Max 10.00 MB per file • Up to 20 files / batch

Resize Settings

Leave empty for no width limit

Leave empty for no height limit

Prevents image distortion by keeping original proportions

80%
Smaller file Better quality

Applies to JPEG output format

Removes camera settings, location data, and other metadata

Add text to the beginning of processed file names

Add text to the end of processed file names (before extension)

📐 Resize Tips

Common Use Cases

  • Web Images: 1920×1080 or smaller for fast loading
  • Social Media: 1080×1080 for Instagram posts
  • Email: 800×600 or smaller to avoid size limits
  • Thumbnails: 300×300 or smaller for previews

Best Practices

  • ✅ Always maintain aspect ratio to avoid distortion
  • ✅ Only resize down, not up (prevents quality loss)
  • ✅ Use appropriate quality settings (80% is usually good)
  • ✅ Consider your target platform's requirements

📱 Common Dimensions Reference

Screen Resolutions
  • 4K Ultra HD: 3840×2160
  • Full HD: 1920×1080
  • HD: 1280×720
  • SVGA: 800×600
Mobile Devices
  • iPhone: 375×667
  • iPad: 768×1024
  • Android: 360×640
  • Tablet: 1024×768
Social Media
  • Instagram Post: 1080×1080
  • Facebook Cover: 820×312
  • Twitter Header: 1500×500
  • YouTube Thumbnail: 1280×720
Print Sizes (300 DPI)
  • 4×6 inch: 1200×1800
  • 5×7 inch: 1500×2100
  • 8×10 inch: 2400×3000
  • 11×14 inch: 3300×4200

Smart Image Resizing

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Aspect Ratio

Automatically maintains aspect ratio to prevent image distortion.

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Precise Control

Set exact dimensions or maximum constraints for perfect sizing.

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Batch Processing

Resize multiple images at once to save time and effort.


Image resizer tool brings the power of bulk image resizing capabilities, with unlimited photos processed each day. Simple settings allow users to set the maximum width and height of the pictures, maintain aspect ratio and also set the output quality which can also compress image sizes.