Image Compressor
Shrink JPG, PNG and WebP images by up to 90% — right in your browser. Drop multiple images at once, tune quality and dimensions, download them all. Your images are never uploaded.
Compressed results will appear here.
How to use Image Compressor
- Add one or more JPG, PNG or WebP images.
- Choose the output format, quality and maximum side.
- Download each result or save the batch together.
Common use cases
- Reduce photos before emailing them.
- Optimize images before adding them to a website.
- Shrink screenshots before sharing them with a team.
- Prepare image files for a CMS upload limit.
Good to know
- PNG compression behaves differently from JPEG and WebP.
- Very large batches are limited by available browser memory.
- Transparency depends on the selected output format.
Guides
What you can do next
FAQ
Are my images uploaded anywhere?
No. Compression uses the Canvas API built into your browser. Nothing is sent to any server — you can even disconnect from the internet after the page loads.
Which format should I choose?
WebP gives the smallest files at the same visual quality and is supported by all modern browsers. Choose JPEG for maximum compatibility with old software, or PNG if you need a lossless result with transparency.
What quality setting is best?
80% is the sweet spot for most photos — visually indistinguishable from the original at a fraction of the size. For thumbnails or avatars, 60–70% is usually fine.
Why did my PNG get bigger?
Photos saved as PNG are already inefficient. Convert them to WebP or JPEG instead — the same image is typically 5–10× smaller with no visible difference.