How to compress an image
- Upload or drop a supported image.
- Move the quality control until size and clarity suit you.
- Preview the output and check its new file size.
- Download the compressed image.
Free Image Compressor
Make JPG, PNG and WebP images smaller without sending them to a server. Adjust quality and compare the result before downloading.
Drop your image here or click to browseJPG, JPEG, PNG or WebP
SmallerSharper
🔒 Your files are processed locally in your browser and are not permanently stored on our server.
Frequently asked questions
Are my images uploaded?
No. Processing happens locally in your browser.
Why can PNG output become WebP?
WebP supports transparency and usually compresses photographic PNG files more efficiently.
Does compression change dimensions?
No. This tool preserves the original pixel width and height.
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Additional questions
Why is PNG compression sometimes limited?
PNG is lossless and flat graphics may already be optimized, so large savings are not always possible without changing format.
Are images uploaded?
No. Compression and preview generation run locally in your browser.