Zip To Sb3 Extra Quality Jun 2026

| File Type | Actual Format | Quality Concern | |-----------|---------------|----------------| | .sb3 | ZIP archive | Already high quality if original assets were high quality | | .zip (renamed to .sb3) | Valid Scratch project | No quality difference – identical data | | Extracted folder | Loose assets | Re-zipping with different settings may reduce quality |

Use for graphics whenever possible to maintain "extra quality" scaling. 2. Compress to ZIP zip to sb3 extra quality

Scratch already compresses media internally. Double compression reduces quality. Store mode = extra quality. | File Type | Actual Format | Quality