Blur Type

Blur Intensity — 15px

15px

Output Format

📂 Input File

No file

📂

Drop your image here

supports JPG, PNG, WebP, GIF

✅ Live Preview

👀 Upload an image to see your live blurred rendering preview.

🎨 Design Tools

Online Image Blur —
Censor and Blur Photos

Our free Online Image Blur Tool provides a professional, high-performance solution to censor, blur, or protect privacy in screenshots and photo layouts directly within your browser. Engineered for maximum speed and absolute privacy, the tool operates entirely on the client side using secure local JavaScript processing—meaning your data never leaves your device and is never uploaded to any external server. Whether you are working on a desktop, tablet, or mobile phone, the responsive and premium interface delivers instant real-time results with zero wait times. Designed for daily productivity, it features fully configurable parameters, robust input verification, and offline capability to ensure a seamless, secure workflow.

Apply visual Gaussian blur filters to photos locally in your browser with adjustable intensity

Adjustable blur radius dynamically

100% secure client-side calculation — your private data never leaves your device

Offline-ready execution with a responsive premium interface for mobile, tablet, and desktop

🧊

0-60pxBlur Radius

FreeAlways

100%Private

How It Works

Use Image Blur in three steps

Step 1

📥

Upload Source Image

Drag and drop your local image file (PNG, JPG, WebP, or GIF) onto the workspace drop area, or use the file finder dialog to choose a photo.

Step 2

⚙️

Adjust Blur Radius

Click "Options" in the toolbar, and drag the Blur Intensity slider to set your desired radius. The canvas engine immediately applies Gaussian blur filters in real-time.

Step 3

⬇️

Download your result

Select your target format (PNG or JPEG) in the Options Panel, click the central "Download" button to save your blurred copy instantly.

Why BunchTool

Why use our free Image Blur?

🔒

Zero server uploads

Your data is processed entirely inside your browser using client-side JavaScript. Nothing ever travels over a network to any server — making BunchTool the most private option available.

⚡

Instant local processing

Because everything runs locally in your browser, there are no upload queues or server wait times. Results appear in seconds regardless of your internet speed — or even without any connection at all.

🧊

Professional Gaussian Blur

Uses browser-native, high-fidelity canvas filter algorithms to render smooth, balanced Gaussian blur in milliseconds, keeping full resolution aspect ratios intact.

FAQ

Frequently asked questions

Is the Image Blur Tool free to use? ▼

Yes — completely free with no file-size limits, no daily usage caps and no premium tier. All 247 tools on BunchTool are free forever, with no upsells or paywalls.

Is my data safe and private? ▼

Absolutely. Your data is processed entirely inside your browser using client-side JavaScript. Nothing ever leaves your device or is uploaded to any server.

Does the Image Blur Tool work offline? ▼

Yes. Once this page has loaded in your browser, the tool continues to work without an internet connection. Your browser handles all the processing locally on your device.

How is the blur effect processed? ▼

BunchTool leverages the native browser Canvas 2D context API. When you adjust the slider, a Gaussian blur filter is applied to the image pixels in local RAM memory without any server calls.

Does this tool keep original dimensions? ▼

Yes. The canvas dimensions are dynamically matched to your image's original width and height, ensuring that your output maintains its original high-definition resolution.

More free Design Tools

Online Image Blur —
Censor and Blur Photos

Use Image Blur in three steps

Why use our free Image Blur?

Frequently asked questions

Explore 247 more free tools —
no login, no limits.

More free Design Tools

Online Image Blur —Censor and Blur Photos

Use Image Blur in three steps

Why use our free Image Blur?

Frequently asked questions

Explore 247 more free tools —no login, no limits.

Online Image Blur —
Censor and Blur Photos

Explore 247 more free tools —
no login, no limits.