Image Comparator

A FREE, offline, multi-language image comparison app. Image Comparator is the most beautiful and complete way to compare two images on Android — and every feature is completely free. Whether you're a designer reviewing before/after edits, a photographer checking two shots, a developer comparing UI screenshots, or just curious how two pictures stack up — Image Comparator gives you six powerful comparison modes in one elegant app. Six Comparison Modes: Slider — Drag a vertical line left and right to reveal one image over the other. The classic before/after view. Side by Side — Two images placed next to each other for quick visual comparison. Stacked — Images placed top-to-bottom, perfect for landscape photos. Onion Skin — Blend the two images with adjustable opacity to spot tiny shifts and alignments. Pixel Difference — Heatmap visualization that highlights exactly where the two images differ, with adjustable sensitivity. See match percentage, changed pixel count, and mean pixel difference in real time. Flicker — Rapidly alternate between the two images at adjustable speed. The fastest way to spot subtle changes. Built for Detail - Pinch to zoom up to 8× with smooth two-finger panning - Synchronized zoom and pan keeps both images aligned - Double-tap to reset the view instantly - Swap A/B with one tap - A/B labels that can be toggled on or off Detailed Image Info Get rich information for every image you load: - Dimensions, aspect ratio, and megapixel count - File size and image format - Side-by-side comparison stats - Visual similarity score computed pixel-by-pixel Beautifully Designed - Clean, modern interface with smooth animations - Light and dark themes that follow your system settings - Optimized for one-handed use Export & Share Export your comparison as a high-resolution PNG (1024×1024) — slider position, dividers, and labels all baked in. Share it directly with anyone. 100% Private Your images never leave your device. Image Comparator works completely offline with no servers, no uploads, and no cloud processing. Completely Free Every feature, every mode, every export — all of it, free. No paywalls, no premium tier, no hidden costs. Frequently used by: - Designers reviewing before/after edits - Photographers comparing shots - Developers diffing screenshots and UI states - Quality assurance and visual regression testing - Spotting forgeries or manipulated images - Anyone who just wants to compare two pictures