Base64 Encoder / Decoder – Instant Conversion

Convert text to Base64 or decode Base64 strings back to plain text. Perfect for developers and data transfer.

What is Base64?

Base64 encoding converts binary data into ASCII text. It's commonly used to embed images in HTML/CSS, transmit data in URLs, or store complex data in JSON. The encoding uses only A-Z, a-z, 0-9, +, /, and = for padding.

FAQs

Is this safe for sensitive data?
Base64 is not encryption – it's an encoding. Never use it to protect secrets.
Does it support Unicode?
Yes – we encode strings as UTF-8 before converting to Base64.