Tool-You

Edge Detect Image

Sobel edges as grayscale PNG.

Runs a Sobel magnitude pass and writes grayscale PNG. Unlike Emboss Image this is edge strength, not relief. Unlike Threshold Image this finds edges, not a hard black/white cut. Runs in the browser on a canvas.

What Edge Detect Image does

Runs a Sobel magnitude pass and writes grayscale PNG. Unlike Emboss Image this is edge strength, not relief. Unlike Threshold Image this finds edges, not a hard black/white cut. Runs in the browser on a canvas.

This URL is only for Edge Detect Image (edge detect image). Sobel edges as grayscale PNG. Other Images tools on Tool-You look similar in the chrome, so the job definition below is the part that belongs to Edge Detect Image alone: Runs a Sobel magnitude pass and writes grayscale PNG. Unlike Emboss Image this is edge strength, not relief. Unlike Threshold Image this finds edges, not a hard black/white cut. Runs in the browser on a canvas.

How to use Edge Detect Image

  1. Stay on this Edge Detect Image page (/edge-detect-image). Do not switch to Emboss Image unless you actually want Relief emboss, then PNG..
  2. Add the file type Edge Detect Image accepts. Hint from the path: edge detect image. Sobel edges as grayscale PNG.
  3. Set only the options that match Edge Detect Image. Neighbor Threshold Image does something else (Turn a photo into black and white.). Tool note: Runs a Sobel magnitude pass and writes grayscale PNG. Unlike Emboss Image this is edge strength, not relief. Unlike Threshold Image this finds edges, not a hard black/white cut. Runs in the browser on a canvas.
  4. Run Edge Detect Image in this tab. Browser memory still applies: Images. Output PNG. Max 20 MB.
  5. Download or copy the result from Edge Detect Image. If it is the wrong job, open Emboss Image instead.

When not to use Edge Detect Image

Skip Edge Detect Image when a neighbor tool matches better — start with Emboss Image or Threshold Image — or when the description already warns the job will fail. In the tool’s own words: Runs a Sobel magnitude pass and writes grayscale PNG. Unlike Emboss Image this is edge strength, not relief. Unlike Threshold Image this finds edges, not a hard black/white cut. Runs in the browser on a canvas.

Questions about Edge Detect Image

What does Edge Detect Image do that other Images pages on this site do not?
Runs a Sobel magnitude pass and writes grayscale PNG. Unlike Emboss Image this is edge strength, not relief. Unlike Threshold Image this finds edges, not a hard black/white cut. Runs in the browser on a canvas. Short version: Sobel edges as grayscale PNG.
Does Edge Detect Image upload my file or text to Tool-You servers?
No. Edge Detect Image runs in this browser tab. Files stay on the device. Limit note: Images. Output PNG. Max 20 MB.
Should I use Emboss Image instead of Edge Detect Image?
Use Edge Detect Image when you need Sobel edges as grayscale PNG. Use Emboss Image when you need Relief emboss, then PNG. They share a category (Images) but not the same job.
What are the limits of Edge Detect Image?
Images. Output PNG. Max 20 MB. Also: Runs a Sobel magnitude pass and writes grayscale PNG. Unlike Emboss Image this is edge strength, not relief. Unlike Threshold Image this finds edges, not a hard black/white cut. Runs in the browser on a canvas.

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