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> Encode URL components, query values, and form fields.
> Decode percent-encoded strings safely in your browser.
Format
Base64
Encode and decode text to/from Base64 format with UTF-8 support.
JWT Decoder
Decode JWT header and payload locally, inspect exp/iat/nbf claims, and debug bearer tokens without uploading them.
JSON Formatter
Validation, formatting and syntax highlighting for JSON.
UTM Builder
Marketing link constructor with validation and presets.