Image Compressor & Converter

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

할 수 있는 일

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

사용 방법

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.

알아 두면 좋은 점

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.