Base91 Tools — Encode & Decode

File → Base91 (streaming)

Wrap columns

Write meta header Auto-download if > threshold Threshold (MB)

Idle.

No file selected.

Result

Tip: Some platforms dislike super long lines — set a wrap width like 120.

Text → Base91 (UTF‑8)

Wrap columns Idle.

UTF‑8 is used to turn text into bytes before Base91.