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adjustments.md
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--- layout: default title: Adjustments --- # 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)