Miaoku Image Tools🔒 Images stay in your browser
Online Image Compressor
Upload images, set quality, maximum dimensions and output format, then download the compressed files.
Images are never uploaded. Refreshing or closing the page clears images from this session.
Compression previewBatch processing supported
Upload images to compress
Images are read and processed only in your browser.
How to use Compress
Upload images, set quality, maximum dimensions and output format, then download the compressed files.
Steps
- Upload JPG, PNG or WebP images
- Set quality and maximum dimensions
- Start compression and review the result
- Download compressed images
Available settings
- No image uploads
- Maximum width and height controls
- Before-and-after file size comparison
Useful for
Compress is useful when you need compress jpg, png and webp images with quality and size controls. It works in the browser and keeps the original image on your device.
Frequently asked questions
Are images uploaded to a server?
No. Your browser reads and processes images on this page. Refreshing or closing the page clears them.
Why is PNG compression sometimes limited?
Browsers have limited support for PNG quality settings. Export as JPEG or WebP when you need a smaller file.
Does compression reduce image quality?
Lower quality produces smaller files with less detail. The default 82% works well for most uploads.