URL Encoder / Decoder

Percent-encode or decode URLs and query strings. RFC 3986 compliant, UTF-8 safe, with component and full-URL modes.

Why use our URL Encoder / Decoder?

Percent-encode or decode URLs and query strings. RFC 3986 compliant, UTF-8 safe, with component and full-URL modes.

Percent-encode or decode URLs and query strings. RFC 3986 compliant, UTF-8 safe, with component and full-URL modes.

A quick, free way to handle url encoder — no sign-up, no install, results in milliseconds.

Encoding and decoding run locally, with full control over the output format.

Encode or decode Base64 payloads with UTF-8 support. Handy for JWTs, data URIs and binary transport in JSON.

URL-encode a JSON document for safe transport in query strings — validated as JSON first.

Escape HTML special characters (< > & " ') to entities. Safe injection into HTML markup.

Convert JSON to a compact Base64-encoded string. Great for embedding JSON in URLs, cookies or headers.

URL-decode a percent-encoded JSON string and pretty-print the parsed structure.

Decode JSON Web Tokens to inspect the header, payload and signature — verify claims and expiry in-browser.