Base64 Encode / Decode

Encode text to Base64 or decode Base64 strings back to plain text. Works entirely in your browser.

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Frequently asked questions

What is Base64?
Base64 is an encoding scheme that converts binary data into a text string using 64 ASCII characters. It is widely used to encode data in email, URLs, and APIs where binary data cannot be safely transmitted.
Is Base64 encryption?
No. Base64 is encoding, not encryption. Anyone can decode a Base64 string without a key. Do not use Base64 to secure sensitive data.