Blur Image – Free Online Tool
Free online Blur Image tool to blur images and photos with adjustable intensity. Apply Gaussian blur effect for privacy or artistic purposes. All processing happens locally.
Example Output
Standard CSS-filter blur, baked into PNG output.
Same photo with Gaussian blur applied uniformly
What is Blur Image?
Blur Image applies a Gaussian blur effect with adjustable intensity. Combined with brightness, contrast, saturation, and grayscale sliders so you can apply multiple filters in one pass. Useful for privacy redaction, artistic effects, and background blur for portraits.
Why use this tool?
- Works offline after the first page load
- Lightweight page weight that loads quickly even on slow connections
- Works on desktop, tablet, and mobile in any modern browser
- Output preserves color profile and metadata except when stripping is explicitly requested
- Supports PNG, JPG, WebP, GIF, and SVG with consistent quality across formats
How to use
- Drop an image
- Adjust blur radius (0-20 px) — see the preview update live
- Combine with brightness/contrast/saturation/grayscale in the same panel
- Download the filtered result
Examples
Privacy redaction
Blur faces or license plates before sharing a screenshot. Use 15+ px radius for strong obfuscation.
Subtle artistic effect
2-3 px blur softens harsh edges without making the image unrecognisable.
Multi-filter pipeline
Brighten +20%, desaturate -30%, blur 4 px — produces a moody, washed-out look in one export.
Common use cases
- Privacy redaction of faces, plates, ID numbers
- Artistic depth-of-field effects
- Background processing for portrait isolation
- Quick multi-filter colour grading
Troubleshooting
- Sensitive content still recognisable after blur.
- For high-security redaction, use a solid-colour block instead. Mild blur can sometimes be partially reversed by AI tools.
Frequently Asked Questions
Blurring is commonly used to protect privacy (hiding faces, license plates, or sensitive information), create depth-of-field effects, soften backgrounds, or add artistic effects to photos.
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