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Encoding & Decoding Tools

Securely encode and decode Base64, URLs, and JWTs. Operations happen exclusively in your browser. Select a tool below to begin processing your data securely. All tools are 100% private.

Base64 Encode/Decode

encode

Encode and decode Base64 strings instantly in your browser. Free tool to decode Base64 back to plain text or encode text to Base64 — processes everything locally with no server uploads.

JWT Decoder

encode

Decode JWT tokens instantly in your browser. Free JWT decode tool to inspect header, payload, and claims without uploading tokens to any server — zero network requests.

URL Encode/Decode

encode

Decode URLs and encode strings instantly in your browser. Free URL decoder and encoder — decode URL percent-encoding or encode query parameters locally with no server uploads.