Member Avatar for dehati

I have two layers overlapping each other. There is a distinct boundary between the two layers. How can I make the boundary go away.

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Brief diagnosis and non‑destructive fixes for a visible seam between two overlapping layers. Several replies already pointed to a layer effect versus an actual pixel edge: and flagged layer‑level outlines, while and pointed out that the seam can be baked into the pixels. The following techniques address both causes and avoid permanently altering original pixels.

A reliable first approach is a layer mask with soft transitions. Add a mask to the top layer, choose a soft round brush (hardness 0–30%, flow 20–40%), and paint black on the mask to hide the hard edge. For even blends, apply Filter > Blur > Gaussian Blur (1–3 px) to the mask, or use a black‑to‑white linear gradient on the mask to create a smooth fade between layers.

If the seam is a color fringe from a cutout, use Select > Select and Mask (or Refine Edge in older Photoshop). Enable Decontaminate Colors and output to a New Layer with Layer Mask to strip haloing without manual painting. For quick matte cleanup, Layer > Matting (Remove White/Black Matte or Defringe) can remove a 1‑pixel fringe left from extraction.

For luminance or contrast seams, try the Layer Style Blend If sliders: double‑click the layer, work with Blend If (Gray), and split sliders with Alt/Option to smooth transitions without touching pixels. Also check layer alignment and transform values—fractional pixel positioning after scaling can produce visible 1‑pixel gaps; snapping positions to whole pixels often removes those artifacts.

Quick checklist: prefer masks over erasing, view at 100% to avoid display illusions, confirm layer opacity and color mode, and work on a duplicate when trying aggressive fixes. If the seam persists after these methods, the problem is usually matte/alpha residue, and a Select and Mask output to a new layer is the fastest reliable remedy.

Recommended Answers

All 7 Replies

Member Avatar for HI2Japan

What does the boundary look like? Is it a border on the edge of the image. Save the picture and post it up here and it will be easier to think of a way to fix the problem.

Member Avatar for Jen0608

yeah..what do you mean by boundary? if its a border just uncheck the checkbox in the blending options of the layer...

Member Avatar for roryt

If the boundary is still there when you have selected a drawing tool (ie the fill tool) then it is actually on the image itself. So either do as Jen said or you may have to rub it out by hand or use the magic wand.

Member Avatar for MidiMagic

If the boundary is NOT a border or the edge of a content box, but is just a visible edge of the top layer, it is generated in the human eye. To make that go away, the pixel colors at the edges of the top layer must match the pixel colors of the bottom layer where it meets the top layer.

Member Avatar for brandseo

What do u mean by boundary?

Member Avatar for seanansari

could you please be more elaborate... so that we can answer exactly.. i request you to post the screen shot as well...

Member Avatar for rockbd

did u opened blending option and checked STROKE? [it like double click on e layer and the BLENDING OPTION window will show up, the STROKE is listed bottom] if its checked unckeck it. [the boundary should be RED if Stroke is CHECKED]
or u can just select the Move button from Tools and click on the background.

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