Base64 Encoder / Decoder
Encode text to Base64 or decode back to text. Runs securely in your browser.
Text to Encode
Result
Text to Encode
Result
What is Base64?
Base64 is an encoding scheme used to represent binary data in an ASCII string format. It is incredibly common on the web for embedding images, encoding tokens (like JWTs), or transmitting data across networks that only reliably support text.
Why use this online Base64 tool?
- Runs entirely locally (Maximum privacy and security)
- Safely handles complex Unicode and emojis
- Lightning-fast processing
FAQs
What does this Base64 Encoder/Decoder do?
It allows you to safely encode normal text into a Base64 string, or decode an existing Base64 string back into readable text.
Is this Base64 tool secure?
Yes. All encoding and decoding happens directly in your browser. Your data is strictly kept local and never uploaded to any server.
How does it handle Unicode characters?
Our tool safely encodes and decodes Unicode characters (like emojis or non-English text) using standard encoding techniques, unlike basic tools that crash on Unicode.