Base64 Encoder & Decoder — Encode and Decode Instantly

Encode text to Base64 or decode Base64 strings back to readable text. Useful for encoding credentials, binary data, and API payloads.

✓ Free✓ No Signup✓ Browser-Based✓ Privacy First

Input

How to use Base64 Encoder & Decoder — Encode and Decode Instantly

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data as ASCII strings.

When is Base64 used?

Common uses include encoding credentials in HTTP headers, encoding file attachments in emails, and data URLs.