Does it handle + as a space?

Yes — query strings commonly encode a space as +, so both + and %20 decode to a space.

What if the input is malformed?

It tells you a % isn't followed by two hex digits, rather than silently returning the input unchanged.

encoders · free tool

Decode percent-encoded URL text back to readable form.

Runs in your browser — your data never leaves it

Input

Paste, type, or drop a file. Runs as you type.

Output

Output appears here as you type.

Input

a%20b%26c

Output

a b&c

This example is one of URL Decode's test cases — if the tool stopped producing this output, the build would fail.

Does it handle + as a space?: Yes — query strings commonly encode a space as +, so both + and %20 decode to a space.
What if the input is malformed?: It tells you a % isn't followed by two hex digits, rather than silently returning the input unchanged.

Encode text to Base64 — payloads, certificates, attachments.

Decode Base64 back to text, UTF-8 safe.

Percent-encode text for URLs and query strings.

Read a JWT's header and claims — it never leaves your browser, and we never verify the signature.