Defineware
Games · Tools · Merch
Our free online blur image tool lets you quickly hide sensitive information using manual brush controls or automatic face detection. Everything runs securely in your browser—no uploads required.
Click the Upload button and select an image from your device. The image will load instantly into the editor.
Turn on Redaction Mode for irreversible masking. This permanently destroys image detail in selected areas—ideal for sensitive data like faces, documents, or license plates.
Click and drag your mouse over the image to mark areas you want to blur. A brush outline helps guide your selection.
Click Apply to process the selected areas. You can continue editing and apply multiple passes if needed.
Once you're satisfied, click Download to save your edited image.
Yes, this tool is completely free to use with no limits or hidden costs.
No. All processing happens directly in your browser. Your images never leave your device, ensuring maximum privacy and security.
Blur softens details smoothly, while pixelate replaces areas with large blocks of colour. Pixelation is generally harder to reverse.
Redaction Mode permanently destroys image detail in selected areas using a combination of blur and pixelation. This makes it extremely difficult to recover the original content.
Standard blur effects may be partially reversible using advanced tools. For sensitive information, use Redaction Mode for stronger protection.
Click the Auto Faces button to detect and blur faces using built-in AI technology.
For light edits, use a strength of 3–7. For privacy protection, use 10–15 or enable Redaction Mode.
Yes, the tool works on modern mobile browsers, though performance may vary depending on your device.
The tool supports common formats such as JPG, PNG, and WebP.
Yes, you can undo your last action or clear the selection before applying the blur.
