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Base64 Encoder / Decoder
Base64
— encode text to Base64 or decode Base64 back to plain text
How to use
1
Pick Encode or Decode
Encode turns plain text into Base64. Decode turns Base64 back into readable text.
2
Paste your input on the left
Type or paste — the result appears instantly on the right.
3
Copy the result
Hit Copy to grab the output.
URL-safe mode replaces
+
with
-
and
/
with
_
— useful for tokens, query params, and JWT payloads.
Plain text
Clear
Mode:
Encode → Base64
Decode ← Base64
URL-safe
Base64 output
Copy
Result will appear here.
↕ Swap input / output