Image Sharpen Tool
To sharpen an image, drop it and adjust Amount and Radius: an unsharp mask increases contrast along edges so slightly soft photos look crisper. Compare before and after, then download.
- Free
- No signup
- Runs in your browser
How to use Image Sharpen Tool
- 1Choose your file with the upload box above, or drag and drop it onto the box.
- 2Adjust the options; the preview updates as you change them.
- 3Click the main button to process the file in your browser.
- 4Download the result. Your original file is never changed or uploaded.
Image Sharpen Tool: questions people ask
Can it fix a badly blurred photo?
No tool can restore detail that was never captured. Sharpening helps photos that are slightly soft, not motion-blurred or out of focus.
What settings should I start with?
Amount 60–100% with radius 1 px for web photos. Too much creates bright halos around edges.
Is my data uploaded when I use the Image Sharpen Tool?
No. The Image Sharpen Tool runs entirely in your web browser, so your files stay on your device and work even on a slow connection.
Does the Image Sharpen Tool work on iPhone, Android and Mac?
Yes. The Image Sharpen Tool runs in any modern browser (Safari, Chrome, Edge or Firefox) on iPhone, iPad, Android phones, Mac, Windows and Chromebook. There is no app to install.
Is the Image Sharpen Tool free?
Yes. The Image Sharpen Tool is free with no signup, no watermark and no daily limit.