What does tolerance do?

Tolerance sets how close a pixel's color must be to your selected color (Euclidean distance in RGB space). 0 = exact match only, higher = more similar colors included.

Can I count multiple colors?

Yes. Pick multiple colors to build a list. Each color shows its count and percentage independently.

What image formats work?

Any format your browser can display: JPG, PNG, WebP, GIF, BMP, and SVG.

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Pixel Counter

Count pixels of a specific color in an image

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Click to load or drag and drop

image/* files

About Pixel Counter

What is Pixel Counter?

Analyze images by counting pixels of specific colors. Click to pick a color, set a tolerance range, and see how many pixels match. Useful for image analysis, quality control, and scientific imaging.

Features & Benefits

Click on image to pick any color
Adjustable color tolerance (0-50)
See pixel count and percentage of total
Visual overlay highlighting matched pixels
Pick and compare multiple colors
Export color counts as CSV data

Frequently Asked Questions

What does tolerance do?: Tolerance sets how close a pixel's color must be to your selected color (Euclidean distance in RGB space). 0 = exact match only, higher = more similar colors included.
Can I count multiple colors?: Yes. Pick multiple colors to build a list. Each color shows its count and percentage independently.
What image formats work?: Any format your browser can display: JPG, PNG, WebP, GIF, BMP, and SVG.

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100% Private & Secure

This tool runs entirely in your browser. Your files and data never leave your device and are not uploaded to any server.