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Blur Background – Portrait Blur Effect Free Online

Blur image backgrounds while keeping the center sharp. Adjustable blur and focus area. Free, no upload required.

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JPG, PNG, WebP · up to 50 MB

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Keeps the center of your photo sharp while blurring the edges — great for portrait-style depth effects.

100% Private
No Upload
Instant

What is Blur Background – Portrait Blur Effect Free Online?

A blur background tool applies a portrait-style depth effect — the center of your image stays sharp while the outer area is Gaussian-blurred. Ideal for profile photos, thumbnails, and social posts where you want the subject to pop without full AI segmentation.

How to Use Blur Background – Portrait Blur Effect Free Online

  1. 1Upload your image.
  2. 2Adjust blur strength and focus area.
  3. 3Download the result.

Key Features

  • ✓Radial center-sharp focus
  • ✓Adjustable blur radius
  • ✓JPG output with quality control
  • ✓No upload required

Benefits

  • →Create portrait-style photos instantly
  • →Draw attention to the center subject
  • →Enhance profile and thumbnail images

Why Use Irreva for Blur Background – Portrait Blur Effect Free Online?

Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.
No file size limits from our infrastructure.
Instant results — no server round-trip latency.
Open-source libraries and transparent processing.

Frequently Asked Questions

How does blur background work?

The center of your image stays sharp while the outer area is Gaussian-blurred, creating a portrait depth effect.

Can it blur only the background behind a person?

For precise subject isolation, use the AI Background Remover first, then blur the background layer separately.

Is my image uploaded?

No. Processing runs in your browser.

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