Image Resizer
Resize an image in your browser while preserving its aspect ratio.
Image Compressor
Compress images as WebP or JPEG, or export lossless PNG.
Processed locally in your browser.
How to use this tool
Choose up to 20 images, a compression preset and optional size/dimension targets, then compare results.
File size can increase for already optimized images. PNG does not support a lossy quality setting.
Your data stays in this browser. Nothing is sent to a server.