The request to 'create a grid of images online' is deceptively straightforward — you have several photos, you want them arranged in a clean grid, you want the result as a single image file. This should be one of the simplest operations on the web. Yet the reality for most users involves downloading software (Photoshop, GIMP), learning layout tools (Figma, Canva), wrestling with CSS (for web developers), or using 'free' online tools that watermark the output, cap the resolution, or require account creation before download. MergeFrame reduces the entire process to its essential form: open the browser tab, choose your grid dimensions, drop in your photos, and download. The grid layouts cover every practical arrangement: 1×2 for horizontal image pairs, 1×3 for triptych compositions, 2×2 for the balanced square grid that dominates modern visual communication, 2×3 for wider landscape-oriented grids suitable for website headers and presentation slides, and 3×3 for comprehensive nine-image grids that work as visual catalogs and mood boards. The tool handles proportional image fitting automatically — no matter the original dimensions or aspect ratios of your source images, each one is scaled to fit its cell without cropping or distortion. This means you can mix phone photos, DSLR shots, screenshots, and downloaded images in the same grid without worrying about mismatched sizes. The spacing slider (0–20px) gives you precise control over the visual relationship between grid cells: 0px creates a seamless composite where images blend at the edges — excellent for art grids and comparison images. 4–8px adds clean professional separation suitable for documentation, product presentations, and business communications. 12–20px introduces deliberate white space that frames each image individually, creating gallery-style compositions perfect for portfolios and print-ready keepsakes. Optional cell borders add visual definition and can be adjusted independently of spacing. All image processing occurs locally through your browser's Canvas API, meaning the grid creation has zero server dependency: no upload queue, no processing wait time, no privacy concerns about where your images are stored, and no risk of server-side compression degrading your output quality. The exported PNG is lossless at whatever resolution you specify — from 500px social media thumbnails to 4000px print-ready compositions. For anyone who needs to create image grids regularly — social media managers, e-commerce sellers, real estate agents, designers, developers, educators, and content creators — MergeFrame eliminates the cumulative time drain of launching heavyweight tools for a task that should take seconds.