What this utility does
Encode UTF-8 text to standard Base64 or decode standard Base64 back to strict UTF-8 text.
Input and output contract
Text is limited to 262,144 characters. Base64 uses the standard A-Z, a-z, 0-9, + and / alphabet. Standard Base64 text or decoded UTF-8 text.
Important limitations
This is standard Base64, not Base64URL. Decoded bytes must be valid UTF-8 for text output.
SaveEditor.com implements this utility as a deterministic browser-local operation. The conversion result depends only on the explicit input and selected options; it does not infer a game format or silently modify unrelated data.