How to Compress an Image Without Losing Quality
Large images slow down pages and bloat emails. Compressing trims the file size dramatically while keeping the picture looking good — here's how to control the trade-off yourself.
Last updated: July 2026
To compress an image, open a compressor, choose your JPG or PNG, and lower the quality slider until the file is small enough while the image still looks sharp — around 70–80% quality is usually a good balance for photos. The tool re-encodes the image in your browser, so nothing is uploaded and there are no file-size limits.
Compress JPG and PNG images to reduce file size with a quality slider — free, private, in-browser. See the size saving instantly.
Step by step
- Open the free Compress Image tool.
- Choose a JPG or PNG image.
- Drag the quality slider and watch the live size and preview.
- Download the smaller image.
How much smaller can it get?
Photos often shrink 60–80% at 70–80% quality with little visible difference, because JPEG discards detail the eye barely notices. Graphics with flat colour and text stay sharper as PNG. Try a couple of quality levels and compare.
Lossy vs lossless
JPEG compression is lossy — it trades some detail for much smaller files. PNG is lossless but larger. Pick JPEG for photographs and PNG for logos, screenshots and images with transparency.
FAQ
Is there a file or count limit?
No — compress as many images as you like, at any size, with no upload cap.
Are my images uploaded?
No, compression runs entirely in your browser.
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