Base64 Encoder Decoder
Encode plain text to Base64 and decode Base64 back to text.
Base64 encoder / decoder
UTF-8 text in, Base64 out — or the reverse. Optional URL-safe alphabet.
Base64 is encoding, not encryption. Nothing is uploaded.
What Base64 Is (and Is Not)
Base64 is an encoding format, not encryption. It converts binary/text data into a text-safe representation for transport.
Common Use Cases
- Email attachments and MIME content.
- API payloads that include binary blobs.
- Tokens or metadata passed through URLs and headers.
Important Reminder
If data is sensitive, Base64 alone is not protection. Use encryption and secure transport (HTTPS/TLS) when needed.