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
Blur Image is a free online utility to apply blur effects to images (related: image, blur, effect). Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
Open Blur Image 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 Blur Image do?
Apply blur effects to images.
Is Blur Image private?
Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.
Is Blur Image free?
Yes. It is free to use with no signup required.
Are there file size limits for Blur Image?
Practical limits depend on your device memory and browser, not a ThothBox server quota.
How do I use Blur Image?
Open the Blur Image tool, then open Blur Image and add your file (upload or drag and drop).