Image Compressor

Free, private, runs in your browser.

What is Image Compressor?

Image Compressor is a free online tool that reduces the file size of images while keeping them looking sharp. 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 Compress collection of 95 image tools.

Available options: Target size, Unit, Quality %, Scale %. Quick presets include 20 KB, 50 KB, 100 KB, 200 KB, 500 KB, 1 MB.

How to use Image Compressor

  1. Open Image Compressor 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 Image Compressor

Typical uses include uploading to forms with size limits, speeding up websites, email attachments and saving storage. Aim for 70–80% quality for photos; lower values show visible blocks. Use the target size box to hit limits like 50 KB or 100 KB.

Image Compressor FAQ

Is Image Compressor free?

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

Are my images uploaded to a server?

No. Image Compressor runs entirely in your browser, so your images never leave your device.

Which image formats does Image Compressor 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.

How do I compress an image to an exact size like 50 KB?

Type the target size, choose KB or MB and press Compress to size. The tool lowers quality and, if needed, dimensions until the file fits.

Does Image Compressor work on mobile?

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

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