# Content Filters

URL: /docs/reference/template-functions/content-filters/
Section: template-functions
Tags: reference, filters, html, content

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Content Filters Functions for HTML and content manipulation. html_escape Escape HTML entities for safe display. {{ user_input | html_escape }} {# "<script>" becomes "<script>" #} html_unescape Convert HTML entities back to characters. {{ escaped_text | html_unescape }} {# "<Hello>" becomes "<Hello>" #} nl2br Convert newlines to HTML <br> tags. {{ text | nl2br | safe }} {# "Line 1\nLine 2" becomes "Line 1<br>\nLine 2" #} smartquotes Convert straight quotes to smart (curly) quotes. {{ text | smartquotes }} {# "Hello" becomes "Hello" #} {# -- becomes – (en-dash) #} {# --- becomes — (em-dash) #} emojify Convert emoji shortcodes to Unicode emoji. {{ text | emojify }} {# "Hello :smile:" becomes "Hello 😊" #} {# "I :heart: Python" becomes "I ❤️ Python" #} Supported shortcodes: :smile:, :grin:, :joy:, :heart:, :star:, :fire:, :rocket:, :check:, :x:, :warning:, :tada:, :thumbsup:, :thumbsdown:, :eyes:, :bulb:, :sparkles:, :zap:, :wave:, :clap:, :raised_hands:, :100: extract_content Extract main content from full rendered HTML page. Useful for embedding page content. {{ page.rendered_html | extract_content | safe }} demote_headings Demote HTML headings by specified levels (h1→h2, h2→h3, etc.). {{ page.content | demote_headings | safe }} {# <h1>Title</h1> becomes <h2>Title</h2> #} {{ page.content | demote_headings(2) | safe }} {# <h1>Title</h1> becomes <h3>Title</h3> #} prefix_heading_ids Prefix heading IDs to ensure uniqueness when embedding multiple pages. {{ page.content | prefix_heading_ids("s1-") | safe }} {# <h2 id="quick-start"> becomes <h2 id="s1-quick-start"> #} {# <a href="#quick-start"> becomes <a href="#s1-quick-start"> #} urlize Convert plain URLs in text to clickable HTML links. {{ "Check out https://example.com for more info" | urlize }} {# "Check out <a href="https://example.com">https://example.com</a>..." #} {{ text | urlize(target='_blank', rel='noopener') }} {# Opens links in new tab with security attributes #} {{ text | urlize(shorten=true, shorten_length=30) }} {# Shortens long URLs in display text #}

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Metadata:
- Author: lbliii
- Word Count: 289
- Reading Time: 1 minutes