An MDP file is an image file created by FireAlpaca, a free paint tool for Windows and macOS. It is the native format used to save images in FireAlpaca, which may include multiple image layers, masks, stencils, annotations, filters, and other elements.

MDP file open in FireAlpaca 2 The MDP file is the primary file type associated with FireAlpaca. It is used to save images that can be closed and reopened by FireAlpaca for further editing. However, the format is not widely supported. Therefore, when you are finished editing your image in the MDP file you can export the file as a .PNG, .JPG, .BMP, or .PSD file. You can create an MDP file in FireAlpaca by selecting File → New... then selecting File → Save or Save As... and selecting the "FireAlpaca" format. You can open an MDP file in FireAlpaca by selecting File → Open... and choosing the MDP file.