Image Overlay Blend Blend two images together using Photoshop-style blend modes like multiply, screen, and overlay.

What Is Image Overlay Blend?

An image overlay blend tool combines two images using Photoshop-style blend modes. Blend modes determine how the overlay pixels interact with base pixels, creating various visual effects. The tool offers 14 blend modes including multiply, screen, overlay, color dodge, color burn, and more. The opacity slider controls the overlay strength. A creative tool for double exposures, textures, color grading, and compositing.

Why Use Image Overlay Blend?

• 14 professional blend modes matching Photoshop/CSS standards
• Adjustable opacity for fine-grained blending control
• No software installation — works directly in browser
• Instant preview of blend results

Common Use Cases

Double Exposure Effects

Create artistic double-exposure photos by blending two images.

Texture Overlays

Apply textures (grunge, film grain, bokeh) to photos.

Color Grading

Blend solid color or gradient overlays for cinematic effects.

Creative Photography

Experiment with different blend modes for unique compositions.

Technical Guide

Image blending uses the Canvas 2D context globalCompositeOperation property implementing the CSS Compositing and Blending Level 1 specification. The base image is drawn first, then globalCompositeOperation is set to the chosen blend mode and globalAlpha to the opacity. Blend modes are mathematical operations on pixel values: multiply darkens by multiplying, screen lightens by inverting and multiplying, overlay combines both based on base brightness. The canvas uses GPU acceleration for real-time blending.

Tips & Best Practices

• 1
  Multiply mode darkens — great for shadows and textures
• 2
  Screen mode lightens — perfect for light leaks and glow
• 3
  Overlay mode enhances contrast — ideal for texture overlays
• 4
  Start with 50% opacity and adjust based on the desired effect strength

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Frequently Asked Questions

Q What are blend modes?

Mathematical formulas that determine how pixels from two layers interact, creating various visual effects.

Q Which blend mode should I use?

Multiply for darkening, Screen for lightening, Overlay for contrast. Experiment to find what works best.

Q Do the images need to be the same size?

No, the overlay is stretched to match the base image dimensions.

Q Can I use more than two images?

Blend two images, download the result, then blend it with another image.

Q Are these the same blend modes as Photoshop?

Yes, they follow the same CSS/Canvas specification.

About This Tool

Image Overlay Blend is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.