Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
100% Free Forever
Output will appear here.Free Base64 Encoder & Decoder
Encode text or files to Base64, or decode Base64 strings back to plain text. Useful for embedding data, debugging APIs, and email encoding.
How to use this tool
- 1
Paste text or Base64
Enter what you want to convert.
- 2
Encode or decode
Choose the direction.
- 3
Copy the result
Use it in your code.
Pro tips
- Base64 isn't encryption — it's just encoding. Don't use it for secrets.
Frequently asked questions
Why is Base64 longer than the original?
Base64 represents binary as text using 64 ASCII characters, making it ~33% larger.