Encoder & Decoder

Base64 and URL encoding/decoding — everything happens in your browser.

Base64 Encode / Decode

Base64 is often used to encode binary data in text form. It handles Unicode correctly (UTF-8 first, then Base64).

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Output 0 chars

URL Encode / Decode

Percent-encoding for URLs. Use Encode component for a single parameter value, and Encode full URL for an entire URL.

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Privacy note: Encoding and decoding happen entirely in your browser. Nothing you type is sent to any server.