File: /var/www/vhost/disk-apps/alq-cali.bikenow.co/vendor/league/glide/docs/1.0/api/adjustments.md
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layout: default
title: Adjustments
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# Adjustments
## Brightness `bri`
Adjusts the image brightness. Use values between `-100` and `+100`, where `0` represents no change.
~~~ html
<img src="kayaks.jpg?w=500&bri=-25">
~~~
[](https://glide.herokuapp.com/1.0/kayaks.jpg?w=500&bri=-25)
## Contrast `con`
Adjusts the image contrast. Use values between `-100` and `+100`, where `0` represents no change.
~~~ html
<img src="kayaks.jpg?w=500&con=25">
~~~
[](https://glide.herokuapp.com/1.0/kayaks.jpg?w=500&con=25)
## Gamma `gam`
Adjusts the image gamma. Use values between `0.1` and `9.99`.
~~~ html
<img src="kayaks.jpg?w=500&gam=1.5">
~~~
[](https://glide.herokuapp.com/1.0/kayaks.jpg?w=500&gam=1.5)
## Sharpen `sharp`
Sharpen the image. Use values between `0` and `100`.
~~~ html
<img src="kayaks.jpg?w=500&sharp=15">
~~~
[](https://glide.herokuapp.com/1.0/kayaks.jpg?w=500&sharp=15)