Image Machine's blur tool lets you soften an entire image or target a specific region — perfect for blurring portrait backgrounds to create a depth-of-field effect, or obscuring faces, license plates, and sensitive text before sharing. Processing happens locally in your browser with no uploads, keeping confidential documents and personal photos completely private during editing.
How It Works
Choose a tool
Pick from 120+ tools to resize, convert, compress, or enhance your image.
Upload & edit
Drag and drop your image and adjust the settings. It stays on your device.
Download
Save your result instantly — no watermark, no sign-up required.
Why Image Machine?
Your files never leave your device
All processing runs locally in your browser. Your images are never uploaded to a server.
Completely free
Every tool is free, with no limits, no watermarks, and no hidden costs.
Lightning fast
No upload waiting — your images are processed instantly on your own device.
Professional quality
Pixel-perfect output with full control over format, size, and quality.
Frequently Asked Questions
How do I blur a face in a photo online?
Upload your image, draw a selection over the face you want to anonymize, and apply the blur effect. The area softens while the rest of the image stays sharp, and the result downloads instantly. Because everything runs in-browser, no image is ever transmitted to a server — important when handling real people's likenesses.
How do I blur the background of an image without Photoshop?
Upload the photo and apply the blur effect to the background area while leaving the subject sharp. Adjusting the blur strength controls how pronounced the simulated bokeh appears. This is a quick way to make subjects stand out in portraits, product shots, or presentation images without installing any desktop software.
Can I blur just part of an image without affecting the whole photo?
Yes — use the selection tool to mark the specific area you want blurred, then apply the effect only to that region. The rest of the image remains unchanged. This is useful for hiding bystanders in crowd photos, obscuring text, or drawing visual focus toward a particular subject in the frame.
How do I blur sensitive information in a photo before sharing it online?
Open the image in Image Machine's blur tool, select the region containing sensitive text, numbers, or personal identifiers, and apply a strong blur. The downloaded file will have that area obscured while the rest stays clear. Since nothing is uploaded, the sensitive content is never exposed to any third party.
What is the difference between blurring a face and pixelating it for privacy?
Blur applies smooth Gaussian softening that makes details unrecognizable while looking natural. Pixelation (mosaic) replaces the area with a solid-color block grid, which is visually distinct and widely considered more reliably irreversible for anonymization. Image Machine offers both as separate tools so you can choose based on your needs.