📸 Image Resizer

Professional image resizer with advanced features. Resize photos for web, print, and social media with precise controls and multiple formats.

📸
Click or drag image here
Supports JPG, PNG, WebP, GIF (max 10MB)

🎯 Resize Settings

px
px

📱 Quick Presets

⚙️ Output Settings

90%
For transparent images converted to JPEG

💾 Export

📁 Select Multiple Files

📷 No files selected
Choose multiple images to batch resize

⚙️ Bulk Settings

px
px

📱 Bulk Presets

🎨 Output Settings

90%

🚀 Process

📚 Image Resize Guide

Learn about image resizing, optimization techniques, and best practices for different use cases. Create perfectly sized images for web, print, and social media.

🎯 Resize Methods

Understanding different resize algorithms and when to use them for optimal results.

  • Fit (Contain): Scales image to fit within dimensions while maintaining aspect ratio
  • Fill (Cover): Scales image to fill dimensions, may crop parts
  • Stretch (Fill): Stretches image to exact dimensions, may distort
  • Scale Down: Only reduces size, never enlarges

📱 Social Media Sizes

Optimal image dimensions for popular social media platforms.

  • Instagram Post: 1080×1080 (square)
  • Instagram Story: 1080×1920 (9:16)
  • Facebook Post: 1200×630 (1.91:1)
  • Twitter Header: 1500×500 (3:1)
  • LinkedIn Post: 1200×627 (1.91:1)
  • YouTube Thumbnail: 1280×720 (16:9)

🌐 Web Optimization

Best practices for web image optimization and performance.

  • File Size: Keep under 100KB for fast loading
  • Format: WebP for modern browsers, JPEG fallback
  • Dimensions: Match display size to avoid browser scaling
  • Quality: 80-90% for photos, PNG for graphics
  • Responsive: Create multiple sizes for different devices

🖨️ Print Guidelines

Image requirements for high-quality print output.

  • Resolution: 300 DPI for professional printing
  • Color Space: CMYK for print, RGB for digital
  • Format: TIFF or high-quality PNG for print
  • Size: Calculate: (inches × DPI) for pixel dimensions
  • Bleed: Add 0.125" bleed area for edge-to-edge printing

⚡ Performance Tips

Optimize images for better website performance and user experience.

  • Lazy Loading: Load images only when needed
  • Progressive JPEG: Shows image gradually as it loads
  • CDN: Use content delivery networks for faster loading
  • Compression: Balance quality vs file size
  • Next-gen Formats: Use WebP, AVIF for better compression

📐 Aspect Ratios

Common aspect ratios and their typical use cases.

  • 1:1 (Square): Instagram posts, profile pictures
  • 16:9 (Widescreen): YouTube, TV, monitors
  • 4:3 (Standard): Traditional photos, presentations
  • 3:2 (Classic): DSLR cameras, photography
  • 9:16 (Vertical): Stories, mobile content