Base64 Encoder / Decoder
Converts text to Base64 and back with full Unicode support, including a URL-safe variant for tokens and query strings.
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How to use
Converts text to Base64 and back with full Unicode support, including a URL-safe variant for tokens and query strings.
Tip: press “Load sample” to fill the box with realistic example data.
Everything runs locally in your browser — no upload, no account, no API key.