Contrast

Adjust the contrast of an image by changing the color intensity.

Default Contrast

The contrast level range between -1.0 and 1.0. A contrast value of 0.0 is unchanged, -0.2 is a lower contrast and 0.2 is a higher contrast.

The default contrast is 1 (no change).

Contrast Example

The examples below show the contrast of 0 (no change - default), -0.2 and 0.2.

// Line breaks added for readability https://api.addscreenshots.com/screenshots
?apikey=
YOUR_API_KEY
&contrast=0
&url=tesla.com/modelx

Your API key can be found on the API Keys page. Need an API Key? Sign up to get started.
For internal applications, replace YOUR_API_KEY with your own unique API Key.
For public facing websites or hotlinks, generate a signed URL.

Screenshot with default contrast ratio


https://api.addscreenshots.com/screenshots
?apikey=
YOUR_API_KEY
&contrast=-0.2
&url=tesla.com/modelx

Screenshot with -0.2 contrast


https://api.addscreenshots.com/screenshots
?apikey=
YOUR_API_KEY
&contrast=0.2
&url=tesla.com/modelx

Screenshot with 0.2 contrast gain