HTML Macro by Yamuno
Embed HTML, CSS, JavaScript, and iFrames in Confluence Cloud with live preview and access controls.
Yamuno SoftwareCreate custom HTML, CSS and JavaScript content inside Confluence pages with a split editor and rendered preview.

The add-in provides a code editor for creating and changing HTML in Confluence, with the rendered page shown beside it. It supports linked images, scripts, styles, fonts, media and iframe content, along with embedded dashboards, maps, calendars and videos. A collapsible macro can contain the published material and use a custom heading. Editing features include code formatting, preview refresh, content measurements and cursor tracking.
A divider separates the HTML editing area from a live view of the resulting content.
The editor can reformat HTML with consistent indentation.
Content can use external images, scripts, styles, fonts, media and iframes.
Confluence pages can contain BI dashboards, maps, calendars and videos.
A macro can place content behind an expandable section with a custom title.
The editor shows counts for elements, lines and size, plus the cursor position.
The vendor names teams as users of the add-in.
HTML Macro by Yamuno and Canvas Blocks — Content Formatting Macros for Confluence are free, while HTML Macro Plus for Confluence is freemium; all three deploy to the cloud. HTML Macro Plus for Confluence was updated in Sep 2026, while both alternatives were updated in Aug 2026.
| Name | Pricing | Deployment | Updated |
|---|---|---|---|
| this plugin | Freemium | Cloud | |
| HTML Macro by Yamuno | Free | Cloud | |
| Canvas Blocks — Content Formatting Macros for Confluence | Free | Cloud | |
| HTML Macro | Freemium | Cloud |
990 plugins in Confluence · Content and communication
Price distribution: 228 free, 378 freemium, 384 paid
Embed HTML, CSS, JavaScript, and iFrames in Confluence Cloud with live preview and access controls.
Yamuno SoftwareEmbed raw HTML and inline CSS in Confluence pages with script restrictions and no external data transfer.
Alvanium TechnologiesAdds 25 content-formatting macros to Confluence pages, including tabs, cards, buttons, tables, and headings.
RVS SoftekEdit Confluence pages in Markdown or XHTML and export pages or hierarchies as Markdown ZIP files.
Agilva Solutions«HTML Macro Plus for Confluence helps teams build richer Confluence pages with custom HTML, CSS, and JavaScript. Key capabilities: Split-view editor with live preview and a resizable divider HTML beautify for cleaner, consistently indented code External resources supported: images, scripts, styles, fonts, media, and …»