Open File Explorer, go to the View tab, and check the box for File name extensions .
When you export an SB3 as a ZIP, the assets often get "hexadecimal" or randomized names (e.g., 83a1...png How it works: This updated conversion feature reads the project.json convert zip to sb3 updated
This is the fastest method, but it only works if the ZIP file originally came from an SB3 file. Open File Explorer, go to the View tab,
Scratch 3.0 has a 50MB file limit. Compress images via TinyPNG or reduce sound bitrate before converting to SB3. Open File Explorer