GIF Resizer

Resize Animated GIF

Change GIF dimensions to fit any requirement. Scale up or down while keeping your animation smooth and intact.

  • Custom Dimensions
  • Lock Aspect Ratio
  • Preset Sizes
  • Preserves Animation
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GIF Resizer Tool

Upload GIF

Animated GIF Up to 50MB
  1. Upload your animated GIF (up to 50MB)
  2. Enter new dimensions or choose preset sizes (Instagram, Twitter, etc.)
  3. Lock aspect ratio to maintain proportions
  4. Click "Resize GIF" and download your resized animation
Pro Tip: Downscaling to 480px width reduces file size by 50-70% with minimal quality loss. Perfect for social media!

Drop GIF here or click to upload

Animated GIF • Max 50MB

Preview

Upload a GIF to preview

GIF Resizing: Complete Guide

Resizing animated GIFs is crucial for optimizing images for different platforms, reducing file sizes, and ensuring your animations display correctly. Whether you need thumbnail sizes or large-format GIFs, precise dimension control maintains quality while meeting requirements.

Why Resize Animated GIFs?

  • Platform Requirements: Social media and websites have specific size limits and optimal dimensions
  • File Size Reduction: Smaller dimensions dramatically reduce file size—a 50% reduction in dimensions can cut file size by 75%
  • Performance Optimization: Smaller GIFs load faster and use less bandwidth, improving user experience
  • Responsive Design: Create multiple sizes for different screen resolutions and devices
  • Email-Friendly: Resize large GIFs to under 1MB for reliable email delivery

Common GIF Dimensions

Use Case Dimensions Aspect Ratio
Instagram Post 1080×1080px 1:1 Square
Instagram Story 1080×1920px 9:16 Vertical
Twitter/X 1200×675px 16:9 Widescreen
Discord Emoji 128×128px 1:1 Square
Email Signature 300×100px 3:1 Wide
Website Banner 728×90px Leaderboard

Upscaling vs Downscaling

Downscaling (Making Smaller): Generally maintains excellent quality. Browsers use interpolation algorithms that blend pixels smoothly. File size reduces proportionally—halving dimensions typically cuts file size by 75%.

Upscaling (Making Larger): Can introduce blurriness or pixelation because new pixels must be generated. For best results when upscaling, use high-quality source GIFs and avoid scaling beyond 150-200% of original size. Consider using vector-based animations if you need very large sizes.

Aspect Ratio Considerations

Lock vs Unlock Aspect Ratio

Locked (Recommended): Maintains original proportions. Prevents distortion and stretching. Change one dimension and the other adjusts automatically.

Unlocked: Allows independent width/height control. Use only when you specifically need to change aspect ratio and understand the subject may appear stretched or squashed.

Step-by-Step Resizing Process

  1. Upload GIF: Select your animated GIF (up to 50MB)
  2. Choose Resize Method: Use size presets (100×100, 200×200, 400×300, 640×480, etc.) or enter custom dimensions
  3. Set Aspect Ratio: Keep locked for proportional resize, or unlock for custom aspect ratios
  4. Enter Dimensions: Specify width and/or height in pixels—the other dimension auto-calculates if locked
  5. Preview: Check the resized preview to ensure it looks correct
  6. Process: Apply resize to all frames uniformly
  7. Download: Save your perfectly-sized GIF

Pro Resizing Tips

  • Percentage Method: Use percentage presets (50%, 75%, 125%) for proportional scaling
  • Multiple Sizes: Create several versions (thumbnail, medium, full) for responsive web design
  • Optimize After: Resize first, then use our GIF Optimizer to further reduce file size
  • Mobile-First: Size for mobile screens (320-375px wide) and scale up from there
  • Check File Size: Target under 1MB for social media, under 500KB for email

Common Use Cases

Social Media Profiles: Resize to exact platform specs (Twitter: 400×400px, LinkedIn: 300×300px) to avoid automatic cropping or quality loss from platform compression.

Email Marketing: Reduce to 300-500px width and under 1MB file size for reliable email client compatibility and fast loading across all inbox providers.

Website Performance: Create multiple sizes for srcset responsive images, allowing browsers to load the optimal size for each screen resolution and connection speed.

Thumbnails & Previews: Generate small preview versions (100-200px) that link to full-size GIFs, improving page load times while maintaining visual appeal.

Quick Reference

Max Dimensions
Up to 2000×2000 pixels
Min Dimensions
At least 10×10 pixels
Quality Loss
Minimal when downscaling, slight when upscaling
Processing Time
3-15 seconds depending on frame count
File Size Impact
50% dimensions = ~75% size reduction

Privacy & Security

Your GIF is processed securely and deleted within 1 hour. No third-party access. All transfers use encrypted HTTPS connections.

Frequently Asked Questions

Downscaling (making smaller) maintains excellent quality using high-quality interpolation algorithms. Upscaling (making larger) may introduce slight blurriness because new pixels must be generated. Animation smoothness is preserved—all frames resize proportionally, maintaining consistent timing and motion. For best results, avoid upscaling beyond 150-200% of original dimensions.

Unlocking aspect ratio allows independent width and height control, which can distort your GIF. For example, resizing a 400×400px square to 800×400px will stretch everything horizontally by 2×, making circles appear as ovals and faces look wider. Only unlock if you specifically need a different aspect ratio and understand the visual consequences. Most users should keep aspect ratio locked for proportional, distortion-free resizing.

File size reduction is approximately proportional to the change in pixel area. Halving both dimensions (50% resize) reduces area by 75%, typically yielding 70-75% file size reduction. For example, a 2MB GIF at 800×600 resized to 400×300 will be roughly 500KB. The exact reduction depends on color complexity and compression. For maximum size reduction, resize first, then use our GIF Optimizer.

Instagram posts work best at 1080×1080px (square), Instagram Stories at 1080×1920px (9:16 vertical). Twitter/X recommends 1200×675px (16:9) with 15MB max file size. Discord emojis need 128×128px. Facebook accepts up to 1920×1080px. Reddit has no strict limits but 640-800px width is community-standard. Always check platform-specific guidelines, but generally aim for 500-1000px in the largest dimension with file size under 2-3MB.

Yes! Use our percentage presets (25%, 50%, 75%, 125%, 150%, 200%) for proportional scaling without calculating exact pixel dimensions. This is especially useful when you want to scale multiple GIFs consistently or when you don't know the exact target dimensions. 50% is great for quick file size reduction, 125-150% for slight enlargement, and 200% for doubling size while maintaining aspect ratio.

No, resizing only changes dimensions—not timing. Frame delays and playback speed remain identical. Your GIF will play at exactly the same speed before and after resizing. If you want to adjust speed, use our separate GIF Speed Changer tool. You can resize and adjust speed in sequence: resize to target dimensions first, then modify speed if needed.

Minimum size is 10×10 pixels (usability limit). Maximum is 2000×2000 pixels to prevent excessive file sizes and processing times. For tiny GIFs like favicons or emoji, 16×16 to 128×128 works well. For large displays or print, 1200-1600px is usually sufficient. Remember: larger dimensions exponentially increase file size—a 2000×2000px GIF can easily exceed 10-20MB. Balance size needs with performance requirements.

General rule: Edit at full size, then resize as the final step. This maintains maximum quality during editing operations like cropping, adding text, or applying effects. However, if your GIF is excessively large (over 1500px), consider resizing first to speed up processing. Optimal workflow: Original → Crop/Edit/Effects → Resize to target dimensions → Optimize for file size. This ensures the best visual quality in your final output.

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