Make a little assembly line.
Put a few Gizlets in order. Each block hands its local result to the next one — no uploads, no saved files in the middle.
Your files stay in this browser.
Image Gizlets can pass a file to one another today. More local categories will join the line later.
Your image
JPEG, PNG, WebP, AVIF, or BMP.
Your image is ready.
One download at the end. Intermediate files stay in this browser tab.