Percent-encoded characters
A percent sign followed by two hex digits stands for one byte. These are the codes you meet most often in URLs, what each one means, and the mistakes they cause. Need the whole ASCII range? See the full percent-encoding table, or compare how each language's functions encode them.
space
%20 is the percent-encoded space character.
forward slash
%2F is the percent-encoded forward slash (/).
colon
%3A is the percent-encoded colon (:).
equals sign
%3D is the percent-encoded equals sign (=).
ampersand
%26 is the percent-encoded ampersand (&).
plus sign
%2B is the percent-encoded plus sign (+).
percent sign
%25 is the percent-encoded percent sign (%).
question mark
%3F is the percent-encoded question mark (?).
hash sign
%23 is the percent-encoded hash sign (#).
at sign
%40 is the percent-encoded at sign (@).
comma
%2C is the percent-encoded comma (,).
double quote
%22 is the percent-encoded double quotation mark (").
Looking for a code that is not listed? Paste it into the URL Decoder to see what it stands for, or find it in the percent-encoding table.