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Image Blend Mode Tester - Online Overlay Two Photos

Design Image Tool blend CSS images overlay
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Blend Controls
Click or drop image
Bottom preview
Click or drop image
Top preview
💧 Opacity 100%
🔍 Top Image Scale 100%
📍 Drag image in preview to reposition
Position: 0px, 0px | Scale: 1.00x
Reset All Settings
Bottom layer Top layer
Drag to reposition overlay

Scroll over preview to zoom the overlay image

Frequently Asked Questions

A blend mode determines how two image layers combine pixel-by-pixel. It uses mathematical formulas to mix color values from the top (overlay) and bottom (base) layers. Common modes like Multiply darken images (great for adding shadows/textures), while Screen brightens them (ideal for light leaks and glow effects). Blend modes originate from graphic editors like Photoshop and are now natively supported in CSS via mix-blend-mode.

For artistic double exposure effects, Screen and Lighten work best — they blend bright areas naturally while dark areas become transparent. Overlay and Soft Light create moody, contrast-rich composites. Experiment with Difference for surreal, inverted-color looks. Adjusting opacity and position of the overlay image is key to achieving the perfect double exposure.

Absolutely! Click the Download button to save your blended composition as a high-quality PNG file. The download preserves all your current settings — blend mode, opacity, scale, and position. The output size matches the preview area dimensions. For best results, use images with similar resolutions.

Multiply multiplies pixel values — the result is always darker (or equal to) the original. White becomes transparent, black stays black. It's perfect for adding textures, watermarks, or shadows. Screen is the opposite — it inverts, multiplies, then inverts again, producing a brighter result. Black becomes transparent, white stays white. Use Screen for light leaks, lens flares, and bright overlay effects.

This tool supports all common image formats: JPEG, PNG, WebP, GIF, BMP, and SVG. For best results, use high-resolution images. PNG images with transparency can create interesting effects — transparent areas in the overlay image will reveal the base layer. Note that animated GIFs will only display the first frame.

Using blend modes in CSS is straightforward. Apply mix-blend-mode: multiply; (or any other mode) to an element to blend it with its backdrop. You can also use background-blend-mode to blend multiple background images. Browser support is excellent — all modern browsers including Chrome, Firefox, Safari, and Edge support these properties. Combine with opacity and transform for creative effects.

Yes! This Image Blend Mode Tester is 100% free with no registration required. All image processing happens locally in your browser — your images are never uploaded to any server. You can test unlimited combinations, download results, and experiment freely. Bookmark this page and use it anytime.

Blend modes are incredibly versatile: Multiply adds textures and grain to photos; Screen creates dreamy light overlays; Overlay enhances contrast for dramatic edits; Color applies color grading while preserving luminance; Luminosity transfers detail without affecting color. Use them for double exposures, vintage film effects, cinematic color grading, watermarking, and creative composites. Combine multiple modes with different opacities for complex, professional-grade results.
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