Encode / Decode

Encode and decode data in Base64, URL, HTML entities, JWT, and more. Free, private, browser-based tools.

B64
Base64 Encode/Decode
Encode text to Base64 or decode Base64 to text instantly
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URL Encode/Decode
Encode or decode URLs and query string parameters
JWT
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) header and payload
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HTML Entity Encode/Decode
Encode special characters to HTML entities or decode them back

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