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Image Resizer

Resize images to your desired dimensions. Perfect for social media, websites, and profile pictures.

💡 Tips for Best Results

  • Aspect Ratio: Keep it locked to prevent distortion
  • Upscaling: Be careful - may result in quality loss
  • Presets: Quick sizes for social media and common formats
  • Privacy: All processing happens in your browser

Key Features​

  • Precise pixel-level size control
  • Maintain/unlock aspect ratio option
  • Social media presets
  • Before/after comparison
  • Client-side processing (no server upload)

Resizing Methods​

Manual Input​

  • Width: 1~10000px
  • Height: 1~10000px
  • Aspect Ratio: Auto-calculated when locked

Quick Presets​

Full HD (1920×1080)​

Desktop wallpapers, YouTube thumbnails

HD (1280×720)​

Website images, presentations

Instagram Square (1080×1080)​

Instagram feed posts

Instagram Portrait (1080×1350)​

Instagram vertical images

Twitter Post (1200×675)​

Twitter post images

Facebook Cover (820×312)​

Facebook cover photos

Use Cases​

1. Social Media Optimization​

Original: 4032×3024 (12MP) → Instagram: 1080×1080
Perfect square feed image

2. Website Performance​

Original: 6000×4000 (24MP) → Web: 1920×1280
Improved page loading speed

3. Profile Pictures​

Original: 3000×2000 → Profile: 500×500
Usable across various platforms

Supported Formats​

  • Input: PNG, JPG, JPEG, WebP
  • Output: Same format as input
  • Max Size: 50MB

Resizing Tips​

Maintaining Aspect Ratio​

  • Recommended: Prevents image distortion
  • Enter width or height only for auto-calculation
  • Unlock only when specific dimensions are required

Upscaling Caution​

Small → Large image: Quality degradation occurs
Recommended: Resize to same or smaller than original

Downscaling​

Large → Small image: Quality maintained
Safe and recommended approach

Platform Recommendations​

Instagram​

  • Feed Square: 1080×1080
  • Feed Portrait: 1080×1350
  • Feed Landscape: 1080×566
  • Story: 1080×1920

Facebook​

  • Cover Photo: 820×312
  • Profile Picture: 180×180
  • Post Image: 1200×630

Twitter​

  • Post: 1200×675
  • Header: 1500×500
  • Profile: 400×400

YouTube​

  • Thumbnail: 1280×720
  • Banner: 2560×1440
  • Profile: 800×800

Website​

  • Hero Image: 1920×1080
  • Blog Post: 1200×630
  • Thumbnail: 600×400

Technical Details​

Resampling Algorithm​

  • Canvas API: Browser native resampling
  • High-quality interpolation: Smooth resizing
  • Real-time processing: Instant preview

Privacy​

  • ✅ All processing happens in your browser
  • ✅ Images are not uploaded to any server
  • ✅ 100% client-side processing

FAQ​

Q: Should I maintain aspect ratio?​

A: In most cases, yes. Unlocking it may stretch or squish the image.

Q: What happens if I enlarge an image?​

A: Enlarging beyond original size reduces quality. Preferably resize to original size or smaller.

Q: Can I batch process multiple images to the same size?​

A: Currently supports one image at a time. Please upload each sequentially.

Q: What about custom sizes not in presets?​

A: You can manually enter width and height values.

Browser Support​

  • ✅ Chrome 50+
  • ✅ Firefox 50+
  • ✅ Safari 11+
  • ✅ Edge 79+
  • ✅ Mobile browsers (iOS Safari, Chrome Mobile)