💻 Developer Tool

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to plain text instantly. Perfect for developers working with APIs, tokens and data transmission.

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🔐 Base64 Encoder/Decoder

What is Base64?

Base64 is an encoding scheme that converts binary data into ASCII text. It's commonly used for embedding images in HTML/CSS, encoding API tokens, and transmitting data in URLs.

Common Uses

  • 🔐 API authentication tokens
  • 🖼️ Embedding images directly in HTML/CSS
  • 📧 Email attachments (MIME)
  • 🔗 Data URIs in web development

Frequently Asked Questions

Is Base64 encryption?▾
No. Base64 is encoding, not encryption. Anyone can decode Base64 instantly. Never use it to protect sensitive data.
Why does Base64 make text longer?▾
Base64 uses 64 characters to represent binary data, increasing size by about 33%. This is the trade-off for making binary data text-safe.