Blur Image Tool
Apply Gaussian blur or a pixelate/mosaic effect to an entire image. Control blur intensity with a slider. Runs locally in your browser no uploads.
Drag & drop, browse, or paste (Ctrl + V)
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Configure parameters and upload photos on the left to start editing.
How to Use Blur Image Tool
Upload Your Image
Drag and drop or browse to select an image. JPEG, PNG, WebP, and other standard formats are supported.
Choose a Blur Style
Select Gaussian Blur for a smooth, gradual blur effect, or Pixelate (Mosaic) for a blocky, pixelated look.
Set the Blur Intensity
Drag the Intensity slider to control how strong the blur effect is. Values range from 1px (very subtle) to 100px (extremely heavy blur).
Download the Blurred Image
Click Download to save the blurred image. The blur is applied to the entire image and baked into the output file.
What is Blur Image Tool?
Blur Image Tool is an online utility designed to help you process blur image tool tasks directly in your web browser. Operating with speed and accuracy this tool eliminates the need for software installation or account registration allowing you to complete your tasks easily.
Key Features
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Your privacy remains protected during your session. Data processing occurs in your local browser runtime keeping your information confidential without cloud storage.
Blur Image Tool and Related Tools
Blur Image Tool is tailored specifically for blur image tool tasks offering streamlined performance focused on user ease.
Bookmark this utility for instant access
Press Ctrl + D (or ⌘ + D on Mac) to save this page to your bookmarks bar.
Frequently Asked Questions
Gaussian blur is a mathematical smoothing filter that blends each pixel with surrounding pixels according to a bell curve (Gaussian) distribution. The result is a smooth, natural looking blur. It is one of the most widely used blur effects in photography and design, and is the basis for the background defocus (bokeh) look.
Gaussian Blur creates a smooth, soft blur where fine details gradually fade. Pixelate (Mosaic) divides the image into uniform rectangular blocks and fills each block with a single averaged colour, creating a blocky, vintage video game like effect. Pixelate is often used for censorship or as an intentional artistic effect.
Common uses include: adding a dreamy or soft focus aesthetic to a photo; creating a blurred background from a photo for use as a slide presentation background; previewing how an image looks blurred before printing; applying a quick full image blur for stylistic effect in graphic design.
This tool applies blur to the entire image. If you need to blur only a specific area such as a face, a licence plate, or personal information in a screenshot use the Screenshot Editor (which includes a region blur tool) or the AI Face Blur Tool (for adding blur regions manually).
For a subtle soft focus effect, use 5 15px. For a moderately blurred background image, try 20 40px. For a heavy blur where fine details are completely obscured, use 60px and above. The best setting depends on the resolution of your image and the intended effect.
Blurred images often compress slightly better because blur reduces high frequency detail, which compression security processs can encode more efficiently. However, the effect on file size is modest and should not be the primary reason to blur an image.
No. The blur is applied to a new output file. Your original image file on your device is not modified.
Yes, with a caveat: this tool applies blur to the entire image. If you need to redact specific personal information in a document or photo, apply a sufficient intensity of blur and verify that the redacted content is genuinely unreadable at the chosen intensity, especially if someone might attempt security processic reconstruction.
Any image format your browser can decode is accepted: JPEG, PNG, WebP, BMP, GIF, and HEIC on compatible browsers.
Yes. The blur effect is applied using the browser's display screen API. No image data is transmitted to any external server.