Sharpen

Unsharp mask

Sharpening is a powerful tool to emphasise texture and details, especially on smaller images, e.g. thumbnails. Filerobot can apply an unsharp mask filter which will make your image look sharper. You can specify the filter radius (X) in pixels.
sharp=X
Examples
Preview
Syntax
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Only resize:
/docs/darkside.jpg?w=300​
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Resize and sharpen:
/docs/darkside.jpg?w=300&sharp=3​
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Pixelate

Watermarking

Last modified 3mo ago

Preview	Syntax
	Only resize: /docs/darkside.jpg?w=300
	Resize and sharpen: /docs/darkside.jpg?w=300&sharp=3