Filters

• add - adds arg to the value.
• addslashes - adds backslashes before quotation marks to escape them.
• capfirst - capitalizes the first letter of a value.
• center - centers a value within text of n characters
• cut - removes all instances of string_to_cut from the value.
• date - for formatting dates.
• default - used to provide a default string when the variable evaluates to False.
• default_if_none - outputs default if and only if the value is None.
• dictsort - sorts a list of dictionaries by key.
• dictsortreversed - reverse sorts a list of dictionaries by key.
• divisibleby - returns True if the value is divisible by n.
• escape - escapes HTML characters.
• escapejs - escapes characters used in JavaScript strings.
• filesizeformat - converts a value in bytes to a friendly file size format.
• first - outputs the first element in a sequence.
• floatformat - rounds a float to n decimal places.
• force_escape - Almost identical to escape.
• get_digit - returns the digit i characters from the right side of the value.
• iriencode - converts an IRI to a string that can be used in a URL.
• join - joins a list on s. Works just like Python’s s.join(value).
• json_script - outputs a Python object as JSON inside of a script element.
• last - outputs the last element in a sequence.
• length - returns the length of a value.
• length_is - returns True if the length of the value is n.
• linebreaks - converts newlines to <br> and <p> tags.
• linebreaksbr - converts all newline characters in value to <br> tags.
• linenumbers - prepends each line of text with a line number.
• ljust - left justifies a value within text of n characters
• lower - lowercases the first letter of a value.
• make_list - converts the value to a list of characters.
• phone2numeric - converts letters to numbers for a phone number.
• pluralize - returns a pluralization suffix.
• pprint - Pretty prints a Python object. Used for debugging.
• random - outputs a random item from a sequence.
• rjust - right justifies a value within text of n characters
• safe - indicates that the value is known to be safe and therefore does not need to be escaped.
• safeseq - applies the safe filter to each element of a sequence.
• slice - returns a slice of a sequence.
• slugify - converts a string to a slug.
• stringformat - formats a string.
• striptags - strips HTML tags.
• time - for formatting times.
• timesince - outputs the amount of time between the value and to_date.
• timeuntil - outputs the amount of time between from_date and the value.
• title - capitalizes the first letter of each word in a value.
• truncatechars - truncates a value to n characters and appends an ellipsis (…).
• truncatechars_html - truncates a value to n characters and appends an ellipsis (…). Smart about HTML tags.
• truncatewords - truncates a value to n words and appends an ellipsis (…).
• truncatewords_html - truncates a value to n words and appends an ellipsis (…). Smart about HTML tags.
• unordered_list - creates an unordered HTML list from a Python list of lists.
• upper - uppercases the string.
• urlencode - escapes a string for use in a URL.
• urlize - converts URLs in a string to clickable links by wrapping them in an <a> tag.
• urlizetrunc - like urlize, but truncates the link text.
• wordcount - outputs the number of words in a value.
• wordwrap - inserts newline after every n characters.
• yesno - maps True, False, and None to mapped values.