A photo joiner is the fastest way to turn scattered pictures into a single shareable file. Whether you need to combine vacation snapshots for an email attachment, merge product angles for a listing, or stitch screenshots into one document, the core need is the same: multiple images in, one image out. MergeFrame handles this with zero friction. Open mergeframe.com, select your layout based on how many photos you're joining, drag them into the grid cells, and download the combined PNG. The tool proportionally fits each image to its cell — no cropping, no stretching, no manual alignment. You can join images of different sizes, formats, and orientations in the same operation. Adjust cell spacing from 0 to 20px to control the visual separation between joined photos. Export at any resolution up to 4000px, making the output suitable for social media, email, print, and large-format displays. Because all processing happens locally via your browser's Canvas API, your photos never leave your device. There is no upload queue, no server processing delay, and no privacy risk. The free tier includes full resolution export, all grid layouts, and unlimited joins — genuinely free, permanently. For power users, the optional Pro tier adds batch processing and PDF export.