How to Use This Base64 Tool
- Paste text or upload file
- Click Encode or Decode
- Copy/download results instantly
Convert text or files to Base64 and back instantly
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used when there's a need to encode binary data that needs to be stored and transferred over media designed to deal with text.
This tool supports both text and file encoding/decoding. For files, the maximum size is limited by your browser's memory capacity (typically around 500MB).
Base64 is a binary-to-text encoding scheme that converts:
Use Case | Example |
---|---|
Email attachments | Encoding images in MIME |
Web APIs | Sending binary data as JSON |
Data URLs | Embedding images directly in HTML/CSS |