Palette.fm is an online AI-powered photo coloring tool that can transform your black and white photos into vibrant colors. It offers 21+ color filters, allowing you to upload your own pictures or experiment with sample images. Trusted by over 2.4 million users, Palette.fm provides flexible pricing options. Free users can enjoy one free high-resolution download and unlimited previews. Subscription users pay $72 per year for 480 high-resolution colorings and other perks. A one-time purchase of $9 grants 10 high-resolution colorings, valid for 2 years. Palette.fm offers APIs and tools for batch processing photos or building your own applications.