Processed client-side in your browser — files never leave your device.
Free, with no signup, account, or usage limits.
Works on any modern browser, including mobile.
About this tool
Use Image Sharpen when you need to sharpen blurry images with a single click. Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
Open Image Sharpen and add your file (upload or drag and drop).
Set the options that match your goal.
Run the action — processing happens in your browser.
Download or copy the result when it is ready.
FAQ
What does Image Sharpen do?
Sharpen blurry images with a single click.
Is Image Sharpen private?
Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.
Is Image Sharpen free?
Yes. It is free to use with no signup required.
Are there file size limits for Image Sharpen?
Practical limits depend on your device memory and browser, not a ThothBox server quota.
How do I use Image Sharpen?
Open the Image Sharpen tool, then open Image Sharpen and add your file (upload or drag and drop).