Image Merge & Brush — Paint to Reveal Layers
Upload two photos, then brush over the top layer to reveal the layer below. Interactive eraser with adjustable brush, full undo/redo (Ctrl+Z), and PNG/JPG export. Perfect for before/after reveals, product comparisons, and creative photo editing. 100% local, no upload.
Frequently Asked Questions
Is this image merge tool really free?
Yes. No signup, no payment, no catch. ToolKit is supported by non-intrusive ads.
Do you upload my images?
No. All merging and brushing happens entirely in your browser using the Canvas API. Your files never leave your device.
How does the brush tool work?
Upload two images — the top layer (original) and bottom layer (effect). As you brush over the canvas, the top layer is erased, revealing the bottom layer underneath.
What is this tool commonly used for?
Popular uses include before/after photo reveals (skincare, fitness, renovations), product mockup comparisons, retouching demonstrations, and any creative effect where you want to gradually reveal an underlying image.
Can I undo and redo my brush strokes?
Yes. Use the undo/redo buttons or keyboard shortcuts (Ctrl+Z to undo, Ctrl+Shift+Z to redo). Up to 50 steps are saved.
What export formats are supported?
You can export as PNG (preserving transparency) or JPEG (with white background).
Does it work on mobile?
Yes. The tool supports touch input and works on iOS Safari, Android Chrome, and all modern mobile browsers.