AI Manga Colorizer is a browser-based tool that adds color to black-and-white manga panels and pages with AI. Upload a single panel or full page in PNG, JPG, or WebP format up to 10 MB, preview it in the browser, then run the DDColor model through Replicate to produce a color version you can compare side by side with the original and download. The process takes three steps and needs no drawing software or prompt writing, and your image stays local until you start the colorization. DDColor was designed mainly for photo colorization, so results on manga line art can vary: ink lines, screentones, and speech bubbles may shift, and the site is upfront that you should review the output before using it in a finished project. A free account starts with two signup credits, with paid credit packs and subscriptions for further use. AI Manga Colorizer suits manga readers who want to see a favorite panel in color, independent creators sketching a color study for a page, and art explorers studying how palette and contrast change a scene’s mood.