Encode/Decode Tools

Fast, free and private text encoding and decoding that runs entirely in your browser. Nothing you type is ever uploaded to a server.

• Base64 Encode

  Encode text to Base64 in your browser — fast, free and private. Unicode-safe; nothing is uploaded, conversion happens 100% on your device.

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• Base64 Decode

  Decode Base64 strings back to readable text in your browser — free, instant and private. Unicode-safe; nothing ever leaves your device.

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• URL Encode

  Percent-encode text for safe use in URLs, query strings and form data — free, instant and private, entirely in your browser.

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• URL Decode

  Decode percent-encoded URLs and query strings back to readable text — free, instant and private, entirely in your browser.

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• HTML Entity Encoder

  Escape and unescape HTML entities like &, < and ' in your browser — free, instant and private, nothing is uploaded.

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• JWT Decoder

  Decode a JWT header and payload to readable JSON in your browser — free, instant and private. Decodes only; it does not verify the signature.

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