Image Expander – DreamMMer is a web based AI tool designed to extend the boundaries of a photograph beyond its original edges, a process known as outpainting. The tool allows users to resize an image to common aspect ratios such as 16:9, 9:16, and 1:1 without cropping or distorting the central subject. Instead, the AI generates new visual content that matches the existing scene’s perspective, lighting, and texture, effectively painting in more sky, street, wall, or floor as needed. The workflow begins by uploading a JPEG, PNG, or WebP image into the tool. Users then select a target frame shape, and the AI processes the expansion automatically without requiring a text prompt or manual settings. Each expansion consumes 7 credits, and new accounts start with a bundle of free credits; no credit card is required for the initial welcome gift. The result is delivered in a chat interface with an AI agent, where users can request further modifications such as tweaks, variations, or entirely different looks using plain language. The system is designed to retain the original content exactly and only add scene consistent details outside the image edges; it will not introduce new people or objects unless explicitly asked for in the subsequent chat. Typical use cases include adapting a portrait or product shot into a wide banner, a vertical story, or a square social media post without awkward cropping. Users also employ the tool to give cramped compositions additional breathing room by adding space around the subject. For aspect ratios other than the three preset options, the recommended approach is to expand to the nearest ratio and then crop within the chat. Additional editing capabilities available in the same chat include object removal, background changes, and upscaling for print quality. The tool processes images in under a minute on average, and all uploads and results remain private to the user’s account. The service was last updated in October 2026 and is part of the Dreammmer platform, which also supports AI image and video generation through an agent.