Adjust the brightness of an image to make it darker or lighter.
The brightness level range between -1.0 and 1.0. A brightness value of 0.0 is unchanged, -0.1 is slightly lighter, -1.0 is completely dark, 0.1 is slightly darker and 1.0 is completely dark.
The default opacity is 0 (no change).
The examples below show the brightness of 0 (original), -0.2 (darker) and 0.2 (brighter).
// Line breaks added for readability
https://api.addscreenshots.com/screenshots
?apikey=YOUR_API_KEY
&brightness=0
&url=tesla.com/modely
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.
// Line breaks added for readability
https://api.addscreenshots.com/screenshots
?apikey=YOUR_API_KEY
&brightness=-0.2
&url=tesla.com/modely
https://api.addscreenshots.com/screenshots
?apikey=YOUR_API_KEY
&brightness=0.2
&url=tesla.com/modely