Compress Images Without Losing Quality

Compress JPG/PNG/WEBP images right in your browser with a quality slider.

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About the Image Compressor

Reduce the file size of your photos without a visible loss of quality. Choose a JPG, PNG or WEBP image, drag the quality slider and instantly see the original size, the compressed size and the percentage saved — then download the optimized JPG.

Compression happens entirely in your browser using its built-in canvas engine. Your images are never uploaded to a server, so it’s fast, private and works with large photos straight from your phone or camera.

How to use the Image Compressor

  1. 1Click to choose an image (JPG, PNG or WEBP) from your device.
  2. 2Adjust the quality slider — 70% is a great starting point for photos.
  3. 3Compare the original and compressed file sizes shown below the slider.
  4. 4Click Download to save your compressed image.

How to compress an image without losing quality

The trick is lossy compression at a sensible quality level. JPEG compression discards fine detail the eye barely notices, so a photo saved at 70–80% quality usually looks identical on screen while being 50–80% smaller. Good starting points:

  • Websites and blogs: 60–75% quality.
  • Email and messaging apps: 50–70% quality.
  • Portfolios and printing: 85–95% quality.
  • Still too big? Resize the image to smaller dimensions first, then compress.

Need an exact file size?

If a form requires an image under a specific size — like 100 KB or 1 MB — use the Image Optimizer, which automatically finds the highest quality that fits your target.

Guides & tutorials

Frequently asked questions

Will compressing reduce the image resolution?

No. Width and height stay the same; only the encoding quality changes. To reduce dimensions, use the Image Resizer.

What format is the compressed image saved in?

It’s saved as a JPG, which gives the biggest savings for photos. Transparent areas in PNGs won’t stay transparent, so for logos with transparency use the Image Converter instead.

How much smaller will my image be?

Typical photos shrink by 50–80% at 70% quality. Images that are already heavily compressed see smaller savings.

Is there a limit on file size or number of images?

No. Because everything runs on your device, you can compress as many images as you like.

Is Image Compressor free to use?

Yes — Image Compressor is completely free with no signup, no limits and no hidden costs.

Is my data private and secure?

Everything runs entirely in your browser — your files and text never leave your device, ensuring complete privacy.

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