DeepSeek has rapidly become one of the most capable AI models for image understanding, matching or exceeding GPT-4V and Claude on visual reasoning benchmarks. Its vision capabilities excel at: comparing multiple images, identifying differences, analyzing UI screenshots, reviewing design mockups, and processing multi-page documents. But there's a workflow bottleneck: you can only upload one image per message. If you need DeepSeek to compare a before-and-after renovation, analyze a sequence of UI screens, or review multiple product photos, you're stuck uploading them one by one and maintaining context across multiple conversation turns. MergeFrame solves this elegantly: combine 2–9 images into a single PNG grid, upload it as one file, and ask DeepSeek to analyze the entire grid at once. The model understands the spatial layout and can reference 'the image in the top-left cell' or 'the sequence from left to right.' Proven DeepSeek vision workflows: (1) Multi-screenshot code review — merge 3 UI screenshots into a 1×3 grid and ask DeepSeek to review consistency, spacing, and alignment across all views simultaneously. (2) Product variant comparison — combine 4 product photos (different angles or colors) into a 2×2 grid and ask DeepSeek to describe differences or recommend the best angle for an e-commerce listing. (3) Before-and-after analysis — merge renovation, skincare, or design before-after pairs into a 1×2 grid for direct comparison analysis. (4) Multi-page document processing — screenshot or scan 3–4 pages of a document into a 2×2 grid and ask DeepSeek to extract, summarize, or translate all pages at once. (5) Design feedback — merge 4 design variations into a 2×2 grid and ask DeepSeek to rank them, critique each, and suggest improvements. All processing happens locally in your browser — your images never touch MergeFrame servers, which means even confidential screenshots or unreleased product photos stay private. Export as lossless PNG at up to 4000px for maximum detail preservation. DeepSeek Vision processes images at their native resolution, so higher-quality grids yield more accurate analysis. Use 4–8px cell spacing to visually separate images without wasting pixels. The free tier includes full resolution, all grid layouts, and unlimited exports — no signup, no watermark, no usage limits.