Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 to text instantly
Enter text in the input panel to see Base64 encoded output here
How to Use
🔒 Encode to Base64
Convert any text string to Base64 format. Useful for encoding data in URLs, emails, or storing binary data as text.
🔓 Decode from Base64
Convert Base64 encoded strings back to their original text. Automatically validates Base64 format before decoding.
💡 Use Cases
• Encode data for URLs
• Store binary data as text
• Encode credentials securely
• Decode API responses
• Data transmission encoding
💡 Tips:
- Base64 encoding increases the size of data by approximately 33%
- Base64 strings only contain A-Z, a-z, 0-9, +, /, and = characters
- Use "Swap" button to quickly switch between encoded and decoded text
- Invalid Base64 strings will show an error message
- All encoding/decoding happens in your browser - your data stays private