README.md

Lottie Theme Converter

Features

A powerful Lottie animation theme converter that helps you easily switch between light and dark themes:

⚡ Color Inversion While Preserving Transparency

Smartly inverts colors of embedded images in Lottie files while maintaining alpha channel transparency.

🎨 Support for Both Light & Dark Themes

Perfect for applications requiring both light and dark mode animations.

💻 Simple Python Implementation

Easy-to-understand Python script using only Pillow library for image processing.

🔄 Base64 Image Handling

Efficiently processes base64 encoded images embedded in Lottie JSON files.

🤔 How to Use

1. Install requirements:

pip install -r requirements.txt

2. Place your light theme Lottie animation file as "Animation-ClickMe.json"

3. Run the conversion script:

python convert_lottie.py

4. Get your dark theme animation in "Animation-ClickMe-dark.json"

Tech Used

Getting Started

First, install the required dependency:

pip install pillow==11.0.0

You can start converting your Lottie animation by following these steps:

1. Save your Lottie animation file as "Animation-ClickMe.json"
2. Run convert_lottie.py
3. The script will generate "Animation-ClickMe-dark.json" with inverted colors

Learn More

The script processes embedded base64 images in the Lottie JSON file:

• Decodes base64 to image
• Inverts colors while preserving transparency
• Re-encodes to base64
• Updates the Lottie JSON with new image data

Feel free to modify the code to work with different input/output filenames or add additional image processing features!

🙋‍♀ Author

Created and maintained by Chan Meng.