1. Click "See inside" 2. Replace the "IMAGE" costume with your own image. 3. Click the green flag and set the width and height. If you're making a profile picture, set "PFP?" to 1. (ONLY set it to 1 if you've already set width and height) 4. Click anywhere to convert. 5. After converting, export or adjust the color palette. If you're adjusting the palette, adding another color will delete another to keep the size at 64 colors. 6. Export by right-clicking the list and "Export" If on Scratch, click "See inside" to be able to export.
"PFP?" Scales image down to proper size for profile pic PIF stands for "Pebble Image Format" and this is for posting images on my WIP project, "Scratch onLine". Uses the very fast image scanner of @52525rr (Modified to use hexadecimal and 4,096 colors) Uses the quicksort of @GarboMuffin I've encountered a weird bug with the "(list) contains _" block which returns "true" for 3-character strings with the characters "0E" in them that aren't actually in the list. Because of that, I had to make manual detection code specifically for them. If you know the reason why or any better solutions, please let me know.
