Duplicate Finder

Free, private, runs in your browser.

What is Duplicate Finder?

Duplicate Finder is a free online tool that shows or removes hidden image details and converts image data. 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 Metadata collection of 95 image tools.

This tool needs no settings: apply it and download.

How to use Duplicate Finder

  1. Open Duplicate Finder 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 Duplicate Finder

Typical uses include privacy before sharing, debugging uploads and embedding images in code. Re-saving an image strips camera and GPS data.

Duplicate Finder FAQ

Is Duplicate Finder free?

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

Are my images uploaded to a server?

No. Duplicate Finder runs entirely in your browser, so your images never leave your device.

Which image formats does Duplicate Finder 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 the tool remove location data?

Yes. Exporting through the canvas creates a clean file without EXIF or GPS tags.

Does Duplicate Finder work on mobile?

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

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