for file in *.zip; do mv "$file" "$file%.zip.sb3" done To validate the conversion:
Describe it in the comments below (or on the Scratch Forums) and the community will help you debug it. Keywords used naturally in context: convert zip to sb3 updated, scratch 3.0, zip to sb3 conversion, sb3 file format, rename zip to sb3, online sb3 converter, batch convert zip. convert zip to sb3 updated
Last Updated: October 2025