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Base64 Encoder/Decoder
Encode and decode Base64 strings online for free. Convert text, images, or files to Base64 format instantly in your browser.
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ℹ️ About Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 to text. Base64 encoding is commonly used for embedding data in HTML, sending data via URLs, and storing binary data as text.
💡 Use Cases
Encoding images for HTML embedding
Decoding Base64 data from APIs
Creating data URLs
Encoding credentials for authentication
Storing binary data in JSON
📋 How to use
1
Paste text to encode or Base64 to decode
2
Select Encode or Decode mode
3
View the result instantly
4
Copy the result to clipboard
💎 Pro Tips
- Use Base64 for embedding small images directly in HTML
- Remember that Base64 increases data size by about 33%
- For file uploads, use the file input option
❓ Frequently Asked Questions
Base64 converts binary data to ASCII text using 64 printable characters. It's commonly used for transmitting data safely.
Base64 uses 4 characters to represent 3 bytes, resulting in about 33% size increase.
No, Base64 is encoding, not encryption. It's easily reversible and provides no security.