Compress JPG

Drop in a JPG (or JPEG) and re-encode it at a lower quality to shrink the file. Quality 1 is the smallest, very lossy file; 100 is the largest, near-original file. 60–80 is a good middle ground for web — typically yielding 40–70% size savings vs. the source with minimal visible loss. Transparent areas (rare in JPG sources) are flattened to white. Everything runs locally in your browser; your file never gets uploaded.