Visual Comparison & Compositing Platform
A visual comparison and compositing platform for retouchers, VFX artists, photographers, AI artists, and QA teams. Blink test, pixel diff heatmap, split wipe, layer compositor, animation timeline, and multi-format export — one workspace for your entire visual workflow.
📄 Blink Comparison
Rapidly alternate between an anchor image and comparison images at adjustable speed. This technique — originally used in astronomy with blink comparators — exploits your visual system's sensitivity to change. Differences in color, alignment, artifacts, or edits become immediately obvious.
🔥 Difference Map
Generate a real-time pixel-difference heatmap between your anchor and any image. Highlights every changed pixel — useful for retouching QA, visual regression testing, compression artifact detection, and AI image consistency checks.
↔ Split Wipe
Drag a split line across overlaid images to compare anchor vs image at any zoom level. Ideal for evaluating edits, color grading, background replacements, and compositing adjustments.
🎬 Scene Compositor
Build layered compositions with images and shapes. Per-layer opacity, ordering, positioning, and scaling. Animation timeline with keyframes and video recording. Useful for moodboards, concept art, storyboard previsualization, and quick composite mockups.
📦 Export
PNG at multiple resolutions (1×–4×), animated GIF comparisons, MP4/WebM video, and JSON project backup. Share blink comparisons as two-frame GIFs via Web Share API.
👥 Who Uses This
Photo retouchers, VFX compositors, photographers, AI artists iterating Stable Diffusion / Flux / Midjourney / ComfyUI outputs, UI/UX designers doing visual regression, print prepress teams, game artists comparing asset revisions, and archviz teams reviewing render passes.
All processing runs locally. Installable as a PWA for offline use.