Blur Background

Free, private, runs in your browser.

What is Blur Background?

Blur Background is a free online tool that applies smart, automatic-style fixes such as background and noise handling. It runs in your browser with JavaScript and the canvas API, so your photos are never uploaded to a server and there is no sign-up, watermark or daily limit. It belongs to our AI Tools collection of 95 image tools.

Available options: Blur px, Focus size %.

How to use Blur Background

  1. Open Blur Background and drop, paste (Ctrl+V) or select your image.
  2. Adjust the options and watch the live preview.
  3. Hold the original button or use the before/after slider to compare.
  4. Press Apply to keep the change. Undo and redo are always available.
  5. Choose PNG, JPG, WEBP, AVIF or ICO, then download, copy or share the result.

Benefits

  • Private: files stay on your device
  • Fast: results appear instantly as you change settings
  • Free: no account, watermark or limits
  • Flexible: batch ZIP download for many files at once
  • Works on mobile, tablet and desktop

Features

Live preview, zoom and pan, before and after comparison, fullscreen view, undo and redo, copy to clipboard, share, keyboard shortcuts (Ctrl+Z, Ctrl+Y, Ctrl+S, Ctrl+V) and a download history.

When to use Blur Background

Typical uses include cut-outs, portraits, cleaning noisy photos and quick polish. Plain, evenly coloured backgrounds give the cleanest results.

Blur Background FAQ

Is Blur Background free?

Yes. Blur Background on Imagine Tool is free, with no sign-up, no watermark and no daily limit.

Are my images uploaded to a server?

No. Blur Background runs entirely in your browser, so your images never leave your device.

Which image formats does Blur Background support?

Any image your browser can open, including JPG, PNG, WEBP and GIF, and often AVIF. You can export PNG, JPG, WEBP, AVIF or ICO.

Does this use artificial intelligence?

These tools use fast on-device algorithms rather than cloud AI, which keeps your photos private.

Does Blur Background work on mobile?

Yes. The page is fully responsive and works on phones, tablets and desktops.

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