UtilityLake
Image Tools

Image Opacity Tool

Use Image Opacity Tool free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
Drop files here or browse your deviceBrowse filesimage/*
CONVERSION LOGIC

Apply transparency to an image

Draw the source image with a selected Canvas global alpha and export transparent PNG.

ImageProcessed imageRuns locally
01Image
02Apply globalAlpha
03Processed image

60% opacity uses an alpha factor of 0.6.

GOOD TO KNOW

PNG keeps the generated transparency

A format without alpha support would not preserve the same transparent result.

PRIVATE BY DESIGN

Your content stays in the browser

Processing runs locally in the page without requiring the content to be sent to UtilityLake.

02

In short

What exactly does it do?

Draw the source image with a selected Canvas global alpha and export transparent PNG.

Example?

60% opacity uses an alpha factor of 0.6.