Blur Image
Blur an image online with an adjustable strength slider — great for softening backgrounds or obscuring sensitive parts of a photo. Batch process and download locally in your browser.
How to use Blur Image: Open Blur Image — no sign-up or software download is required. Drag and drop your file(s) into the tool, or click to browse and select them from your device. Choose any options you need, such as order, quality, page range or output format. Everything runs inside your browser, so your data never leaves your device.
Click to browse, drop, or paste images
Blur one or many images by the same amount. Processed locally; never uploaded.
Blur an image online with an adjustable strength slider — great for softening backgrounds or obscuring sensitive parts of a photo. Batch process and download locally in your browser. Blur Image is a free, browser-based tool in the Filevane image tools collection — there is nothing to install, no account to create and no watermark on your results. It works on desktop, tablet and mobile, and because the work happens on your own device it stays fast even with large inputs.
How to use Blur Image
- Open Blur Image — no sign-up or software download is required.
- Drag and drop your file(s) into the tool, or click to browse and select them from your device.
- Choose any options you need, such as order, quality, page range or output format.
- Click the action button and let the tool process everything locally in your browser.
- Download the finished file. Your originals are never changed or uploaded.
Why use Blur Image?
- 100% free with no limits, no sign-up and no watermarks.
- Private by design — your files are processed in your browser and never uploaded to a server.
- Fast and lightweight, with instant results even on a phone or a slow connection.
- Works everywhere — any modern browser on Windows, macOS, Linux, Android or iOS.
- Part of a full image tools suite, so related blur image tasks are one click away.
Is it private and secure?
Your privacy is built in. Blur Image does all processing on your own device using client-side code, so your files are never transmitted, stored or seen by anyone — including us.
Network activity: none. Nothing is sent and nothing is fetched. This tool makes no network request at all once the page has loaded — which is why it keeps working if your connection drops.
You do not have to take that on trust — our privacy proof page publishes the Content-Security-Policy that enforces it, lists every third party it permits, and shows how to verify the whole claim yourself.
Learn more
Image Optimization: Compress, Resize and Convert — Faster pages and smaller files start with good images. Learn how to compress, resize and convert images without wrecking quality.
Frequently asked questions
How do I blur an image online?
Drop your image in, drag the blur strength slider until it looks right in the live preview, then click Blur and download the result. You can blur several images at once with the same strength.
Can I blur just the background?
This tool blurs the whole image uniformly. To obscure only part of a photo — such as a face or a licence plate — use the Pixelate Image tool, or crop the region first.
Are my photos uploaded?
No. The blur is applied on a canvas in your browser, so your images never leave your device.
Related tools
See all free image tools or browse the full tool catalogue.