Base64 Decoder
Decode Base64 encoded text back to its original format online. Convert Base64 strings to plain text instantly. Free, fast, and secure — all processing happens in your browser.
Base64 Characters: 0 | Decoded Size: 0 chars
📖 About Base64 Decoding
What is Base64 Decoding?
Base64 decoding reverses the encoding process, converting Base64 ASCII strings back to their original binary or text format.
A-Z a-z 0-9 + / = (padding)
💡 Common Uses
- Decode Base64 email attachments
- Extract data from Base64 URLs
- Read Base64 encoded API responses
- Decode JWT token payloads
- View Base64 encoded images as text
- Debug Base64 encoded data
🔗 Related Tools:
Base64 Encoder — Encode text to Base64
URL Decoder — Decode URL-encoded strings
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