Emoji Collage Maker (Advanced)
An advanced version of the Emoji Collage Maker that allows for fine-tuned control over the emoji palette used for collage generation.
Overview
This tool enhances the original Emoji Collage Maker by introducing selectable emoji categories. You can now choose specific sets of emojis—such as “Faces & People,” “Nature,” or “Food & Drink”—to constrain the palette, allowing for more thematic and artistic results. The core functionality of converting an image into a pixel-perfect emoji collage remains, but with greater creative control.
Features
- Customizable Emoji Palettes: Select one or more emoji categories to build a custom palette for your collage. Want a portrait made of only faces? Or a landscape made of only nature emojis? Now you can.
- Image-to-Emoji Conversion: Upload any image to see it recreated with your chosen set of emojis.
- Optimized Palette Caching: The tool caches the entire master emoji palette on first use, then filters it instantly based on your category selections, providing a faster experience after the initial setup.
- Advanced Color Matching: Uses the CIELAB color space to find the most perceptually accurate emoji for each pixel’s color.
- Smart Background Suggestion: Automatically suggests a background color based on the borders of your uploaded image.
- Multiple Export Options: Download your finished collage as a high-resolution PNG, a scalable SVG, or open it in a new full-page tab.
- Interactive Preview: Zoom in and out of the generated collage.
Usage
- Open the Emoji Collage Maker.
- (First visit only) Allow the tool to build and cache its master emoji palette.
- Use the checkboxes to select the Emoji Categories you want to include. The palette will update automatically.
- Upload an Image.
- Optionally, adjust the Resolution and Background Color.
- Click Generate Collage.
- Use the download buttons to save your creation.
Technical Details
- Framework: Built with Preact and styled with TailwindCSS.
- Image Processing: Uses the HTML5 Canvas API for pixel data analysis.
- Color Science: Implements RGB to CIELAB color space conversion for accurate color matching.
- Palette Management: A singleton manager handles the master emoji palette, caching it in
localStorage and creating filtered color indices on the fly based on user selections.
Credits
Created by Oskar Austegard (@oaustegard)
For issues, feature requests, or contributions, please open an issue on GitHub.