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Base64 Encoder / Decoder
Encode and decode Base64 text.
DeveloperProcessed locally. Your input never leaves your browser.
About
Encodes and decodes Base64 text with correct UTF-8 handling, entirely in your browser.
Convert readable text to Base64 or decode an encoded string back to Unicode text. Invalid input is reported clearly, and valid output can be copied immediately.
What you can do
- Encodes Unicode text safely to Base64.
- Decodes valid Base64 back to readable text.
- Runs locally and provides one-click output copying.
Common uses
- Inspect a Base64 configuration value or payload.
- Encode short text for a data exchange.
- Decode an example from an API response or email header.
Frequently asked questions
Is Base64 encryption?
No. Base64 is a reversible encoding format and does not protect secrets. Anyone can decode it.
Does this support non-English text?
Yes. Text is converted through UTF-8 so Chinese, emoji, and other Unicode characters can be encoded and decoded.