Video To GIF Converter

A modern, browser-based tool for converting video clips to GIF animations with advanced customization options. Built with vanilla JavaScript and HTML5, this tool runs entirely in your browser - no server uploads required. The entire application is contained in a single HTML file, making it fast, secure, and privacy-friendly since all processing happens locally on your device.

The GIF above was created using this tool.

Live Demo

Visit Video To GIF Converter

Features

Video Preview

• Upload and preview video files directly in the browser
• Interactive timeline with draggable markers for precise time selection
• Play/Pause functionality
• Audio mute toggle with persistent settings
• Loop playback within the selected range
• Frame-by-frame navigation using arrow keys
• Playhead scrubbing for precise frame selection
• Expandable panels for better workspace organization

Customization Options

• Frame Rate Selection: Choose between 5-30 fps
• Output Size Control: Adjust from 25% to 100% of the original size
• Speed Control: Adjust playback speed from 1x to 5x
• Dithering Options:
  • No Dithering (default)
  • Floyd-Steinberg
  • Light Dithering
  • Stucki
• Video Cropping:
  • Interactive crop region with resize handles
  • Real-time crop dimensions display
• Real-time GIF preview
• File size estimation
• Double-click GIF preview for fullscreen view

User Interface

• Expandable/collapsible panels for better workspace organization
• Detailed conversion progress with status updates
• Conversion time and file statistics display
• Keyboard shortcuts for efficient timeline control
• Cancel conversion option
• Mobile-optimized touch controls
• Persistent settings between sessions
• Fullscreen preview mode for converted GIFs

Keyboard Shortcuts

• Space: Play/Pause video
• [: Set start marker at current position
• ]: Set end marker at current position
• ←/→: Step frame by frame (hold for continuous stepping)

Progress Tracking

• Real-time conversion progress bar
• Detailed frame processing information
• Estimated file size and dimensions display
• Conversion time tracking
• Cancelable conversion process
• Step-by-step status updates

User Experience

• Responsive design for desktop and mobile
• Settings persistence between sessions
• Works entirely in the browser - no server processing needed
• Helpful tips panel with optimization suggestions
• Visual feedback for settings changes
• Automatic file size optimization suggestions
• Touch-friendly controls for mobile devices

Usage

1. Upload Video
   • Click the file input area or drag and drop a video file
   • Video will appear in the preview panel
2. Adjust Time Range
   • Use timeline markers to select start and end points
   • Fine-tune using time input fields
   • Preview selection using play button
3. Configure Settings
   • Adjust frame rate for smoothness vs. file size
   • Select output size
   • Choose dithering method for color optimization
4. Convert and Download
   • Click “Convert to GIF” to process
   • Preview the result
   • Click “Download GIF” to save

Technical Details

• Built with vanilla JavaScript
• Uses HTML5 Canvas for video processing
• Implements gif.js library for GIF encoding
• Client-side processing only
• Multi-threaded processing using Web Workers
• Adaptive worker count based on CPU cores

Performance Optimizations

• Dynamic worker allocation
• Efficient frame capture
• Memory management during conversion
• Cancelable conversion process

Browser Compatibility

• Chrome (recommended)
• Firefox
• Safari
• Edge

Performance Notes

Processing time depends on:

• Video size
• Selected duration
• Frame rate
• Output dimensions

Tips for Optimal File Size

• Use shorter durations
• Lower frame rates (10-15 fps) for most cases
• Reduce output size if original is large
• Experiment with dithering options
• Adjust playback speed for longer videos

Development

1. Clone the repository
2. Open VideoToGif.html in a modern web browser
3. No build process or dependencies required

License

MIT License - feel free to use and modify as needed.

Credits

• Uses gif.js for GIF encoding
• Interface design inspired by modern web applications
• SVG Icons from Feather Icons