Base64 Encoder & Decoder
Translate string contents in your sandbox browser. Supports standard Base64, URL-Safe Base64 formats, and automatic padding rules.
Plaintext String
Base64 Result Output
Generated payload will appear here instantly...
What is Base64?
Base64 is a binary-to-text encoding scheme. It translates binary structures into 64 safe ASCII characters, making binary media transmittable across text-bound protocols (like HTTP or XML) without data corruption.
Standard vs URL-Safe
-
❖
Standard format: Employs
+and/, which can break web queries when placed in URL endpoints. -
❖
URL-Safe format: Swaps
+to-, and/to_. This is optimal for cookies and API tokens.
🔐 Sandbox Guarded
Since all encodes and decodes run strictly locally inside client javascript threads, sensitive values (like passwords or API tokens) never risk exposure to cloud logs.