Developer Tools

Browser-based developer utilities

Format JSON, compare documents, encode tokens, test regex, and generate identifiers—without uploading editor contents.

Base64Encode and decode UTF-8 text or a small file as standard or URL-safe Base64, entirely in the browser.Encoders & Decoders JWT DecoderDecode a JWT header and payload locally, inspect standard claims, and see when exp, nbf, and iat fall. Signatures are not verified.Encoders & Decoders URL EncoderEncode and decode URI components, parse a query string, and edit parameters with Unicode left intact.Encoders & Decoders

When to use these tools

Use this hub for payloads, encodings, and local generators. For public IP or DNS questions, open Network Tools. For TLS, headers, or password generation, open Security Tools.

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