How to Use the Image Compressor
Drop any JPEG, PNG, or WebP image onto the upload area, or click to select a file. Adjust the quality slider and format, then download the compressed version. Everything happens in your browser — your images are never uploaded to a server.
Compression Tips
- 80-85% quality — usually invisible quality loss with good file size reduction for JPEG.
- WebP format — typically 25-35% smaller than JPEG at the same quality. Widely supported.
- PNG images — converting to JPEG or WebP often saves significant space for photos.
- Large dimensions — if the image is wider than needed, resize it first for even more savings.
Frequently Asked Questions
Is my image uploaded to a server?
No. All compression happens locally in your browser using the Canvas API. Your image never leaves your device.
What image formats are supported?
Input: JPEG, PNG, WebP. Output: JPEG, PNG, or WebP at your chosen quality level.
How much can I compress an image?
At 80% quality, JPEGs typically compress 50-80%. PNGs can compress 30-70%. Your results depend on the image content.
Is there a file size limit?
Files up to 20MB are supported. Very large images (>5000px) may be slow to process on mobile.