Free Base64 Encoder & Decoder Online - Convert Text and Files
Encode text to Base64 or decode Base64 strings back to plain text instantly. Our free Base64 converter supports UTF-8 text and file encoding. Preview Base64, images before download. Perfect for developers working with APIs, embedding images in HTML/CSS, and handling data transmission. All processing happens locally—your data stays private.
1When to use this tool?
💡Converting image files to text for transmission
💡Understanding email attachment encoding
💡Needing simple data obfuscation
2Features
- Bidirectional conversion (Encode/Decode)
- UTF-8 support
- Instant processing
- Secure client-side execution
3How to Use
- Enter text or Base64 string into the input field.
- Click 'Encode' to convert text to Base64.
- Click 'Decode' to convert Base64 back to text.
FAQ
Q. What is Base64?
A. Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format.