Image Compressor & Converter

Resize and adjust image quality locally, convert between JPEG, WebP and PNG, and see the output file size.

Cosa fa

Scale by longest side, never enlarging the original
Quality control for JPEG / WebP; lossless PNG encoding
Shows original and output sizes; download one image at a time

Come usarlo

Upload a local image.
Choose the longest side, format and quality, and wait for the size to update.
Download and check the details; your original file is unchanged.

Buono a sapersi

One PNG, JPEG or WebP at a time, up to 20 MB and 25 megapixels. Static images only; re-encoding drops original metadata and JPEG turns transparent areas white. Smaller files and preserved colour profiles are not guaranteed.