Base64 & URL Encoder / Decoder

Quickly encode and decode strings and tokens between Plain Text, Base64, and URL percent-encoding with full UTF-8 Unicode character support.

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Input Text
Encoded Base64 Result
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Frequently Asked Questions

Common questions and answers regarding this developer utility.

Base64 encodes binary or text data into a 64-character ASCII representation for email, headers, or data URLs. URL encoding replaces reserved characters (like spaces, slashes, ampersands) with percent-encoded equivalents (%20, %2F) so they can be safely passed in web addresses.