Channel Splitter

View or isolate R, G, B, or alpha channels separately.

Tool Media & Files Updated Apr 19, 2026
How to Use
  1. Drop image.
  2. Pick channel to isolate (as grayscale or tinted).
  3. Download.
Image
Drop image
Preview

Notes

Red
R byte only
Green
G byte only
Blue
B byte only
Alpha
Transparency
Luma
Weighted RGB
Privacy
Local

About the Channel Splitter

The Channel Splitter is a simple, free helper for image, audio and file tasks that runs entirely on your own device. View or isolate R, G, B, or alpha channels separately.

How it works

Enter what you have and read the result as it updates live. It all runs on your own device, so it is quick and private, with nothing to install.

Want the deeper story? The Knowledge Base explains the ideas behind the tools in more detail.

Frequently Asked Questions

Tinted?

Shows channel in its color (red channel looks red, etc.).

How do I use the Channel Splitter?

Simply type your numbers and read the result, which refreshes the instant you change something. There is nothing to submit and nothing to wait for.

Does it cost anything or need an account?

No. The tool is completely free, there is no account to create, and it keeps working offline after the page first loads.

Is anything I type uploaded?

No. The tool works entirely on your device, so the values you enter never leave your browser.

Common Use Cases

Sensor noise

Inspect blue channel noise.

Alpha mask

Extract transparency.

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