Base64 / Base64URL 轉換器
Base64 ↔ Base64URL ↔ 文字轉換(UTF-8 安全,填充選項)
Convert between plain text, Base64, and Base64URL safely. Encoding and decoding use the browser-native TextEncoder/TextDecoder for correct UTF-8 handling. No external libraries needed.
From
To
Output
生產環境使用前請驗證輸出。無擔保 — 參見 條款.