Image ToolsConvolution 3D

Image Emboss Filter & 3D Relief Generator

Turn your photos into sculpted stone carvings or stamped metal reliefs. Convolution embossing replaces areas of uniform color with neutral gray while highlighting sharp transitions with light and shadow.

Processed 100% in local memory.
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How to Use Image Emboss Filter Tool

1

Upload Image

Select any image file or logo to emboss.

2

Select Emboss Direction

Choose light direction: Top-Left, Top-Right, Bottom-Left, or Bottom-Right.

3

Export Relief Image

Download the embossed artwork in high resolution.

About Image Emboss Filter Tool

Applies a directional discrete convolution kernel where opposite diagonal weights calculate spatial gradients, adding a 128 bias offset to represent flat surfaces as neutral mid-gray.

Supported Formats

JPEGPNGWebP

Operational Limits

  • Images with distinct edges, textures, or text produce the strongest 3D embossing.

Key Features

  • Directional 3x3 convolution kernel filtering: [[-2, -1, 0], [-1, 1, 1], [0, 1, 2]]
  • Adjustable relief depth and strength multiplier
  • Option to preserve underlying color or convert to metallic grayscale bas-relief
  • Real-time client-side image processing
  • Full original resolution export

Frequently Asked Questions

It simulates a directional light source: pixels along an edge are brightened on one side (highlight) and darkened on the other (shadow), creating an illusion of depth.
Image Emboss Filter Tool – 3D Relief & Bas-Relief Effect | Toolxilla | Toolxilla