Zip To Sb3 Converter

Scratch requires a very specific internal structure:

: Various .svg , .png , or .wav files representing your sprites, backdrops, and sounds. Step 2: Create the Archive

When Scratch opens a .sb3 file, it unzips the archive, reads the JSON, and loads the assets. When you "Save As" a project, Scratch zips those files together and renames the extension to .sb3 .

Scratch requires a very specific internal structure:

: Various .svg , .png , or .wav files representing your sprites, backdrops, and sounds. Step 2: Create the Archive

When Scratch opens a .sb3 file, it unzips the archive, reads the JSON, and loads the assets. When you "Save As" a project, Scratch zips those files together and renames the extension to .sb3 .