GIF Resizer icon GIF Resizer

ConvertICO GIF Resizer lets you resize animated GIFs while preserving animation quality and timing. Resize by specific dimensions or percentage with our easy-to-use online tool.

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Drop your GIF file here or click to select it

Max file size: 50MB

Processing: 0%

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10% 100% 200%

⇢ Check also GIF Frame Extractor, GIF Speed Changer, Compress GIF and GIF Analyzer

How to Resize Animated GIFs

  1. Upload your animated GIF file by dragging and dropping or using the file browser.
  2. Enter desired width and height in pixels, or adjust the percentage for proportional scaling.
  3. Use the percentage slider for quick adjustments. All values are synchronized automatically.
  4. Select resize quality based on your needs (High, Medium, or Fast).
  5. Click "Resize GIF" and download your resized animated GIF.

Resize Controls Explained

  • Width & Height: Specify exact dimensions in pixels. Leave one field empty to auto-calculate based on aspect ratio.
  • Percentage: Scale the GIF proportionally (50% = half size, 200% = double size). Updates automatically when dimensions change.
  • Maintain Ratio: When enabled, maintains original proportions to prevent stretching or distortion.
  • Quality Settings: High quality uses Lanczos filtering (best result), Medium uses Triangle (balanced), Fast uses Point (quickest).

Important Notes

  • Animation timing and transparency are preserved during resizing
  • Large GIFs may take longer to process - please be patient
  • Maximum upload size is 50MB for optimal performance
  • Resized files are automatically deleted after 24 hours

About GIF Resizing

Our GIF Resizer maintains animation quality while changing dimensions:

  • Preserves animation by processing each frame individually while maintaining timing.
  • Unified controls for both exact dimensions and percentage scaling with live synchronization.
  • Quality control with different filtering algorithms for speed vs quality balance.
  • Smart optimization to keep file sizes manageable while maintaining visual quality.

FAQ - GIF Resizer

Will resizing affect the animation quality? +

Our tool preserves animation quality by processing each frame individually with advanced filtering algorithms. While some quality loss is inevitable when scaling down significantly, we use high-quality resizing methods to minimize this impact.

How do the width, height, and percentage controls work together? +

All controls are synchronized automatically. When you change width or height, the percentage updates to match. When you adjust the percentage, the dimensions update accordingly. This makes it easy to resize using your preferred method while seeing the results in all formats.

Which quality setting should I choose? +

High Quality (Lanczos) provides the best visual result but takes longer to process. Medium Quality (Triangle) offers a good balance. Fast (Point) is quickest but may produce pixelated results, especially when upscaling.

Can I resize very large GIF files? +

The tool supports GIFs up to 50MB. Very large files with many frames may take several minutes to process. For best performance, consider using Fast quality mode for large files, or resize in smaller increments.