Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to text. Supports Unicode and URL-safe encoding. Free online tool.
How to Use
Choose a mode
Select Encode to convert text to Base64, or Decode to convert Base64 back to text.
Enter your text
Type or paste the input in the text area. Japanese and other Unicode characters are fully supported.
View the result
The encoded or decoded result appears instantly in the output area.
Copy or swap
Click Copy to save the result to your clipboard. Use Swap to move the output back to input and flip the mode.