HTML for Confluence Pages

by Taskhooker

works with Confluence Cloud

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SUPPORT: Partner Supported
TRUST SIGNALS

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Overview

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Key highlights of the appWrite HTML, CSS and JavaScript on any page — real editor, live preview, sanitized, sandboxed, and it never leaves Atlassian

A real code editor, not a textarea

TML, CSS and JS tabs with syntax highlighting, line numbers and undo
history — and a live preview that renders through the exact pipeline the published page uses.

Safety you can see and set

DOMPurify sanitization with three profiles per block, a banner listing
anything removed, plus site-wide admin guardrails: a JavaScript kill-switch and a maximum-profile ceiling authors cannot exceed.

Runs entirely on Atlassian

Zero storage of page content and zero external egress. Your code is
saved in the page itself and renders in a sealed double sandbox — nothing to allowlist, nowhere for data to go.

Supporting media

More details

**Limits, stated up front:** 100 KB of combined HTML, CSS and JavaScript per block;
attached .html files up to 10 MB; fixed heights 40–4000 px; no app-imposed limit on
blocks per page.

**Data:** the app stores no page content anywhere — block code lives inside the page
as macro configuration. The only stored data is a two-value admin settings record.
Attached files are read with each viewer's own permissions. No analytics, no
telemetry, no external calls.

Step-by-step setup and usage guide: https://html.taskhooker.com/#how

Resources

App documentation
Comprehensive set of documentation from the partner on how this app works

Privacy and Security

Privacy and security questionnaire has been filled by the partner

Privacy policy

Atlassian's privacy policy is not applicable to the use of this app. Please refer to the privacy policy provided by this app's partner.

Partner privacy policy

Security program

This app is not part of the Marketplace Bug Bounty program.

Integration permissions

HTML for Confluence Pages integrates with your Atlassian app

Version information

Version 2.1.0•for Confluence Cloud

Release date: Sep 1st 2026
Summary: Initial release — HTML Block with editor, live preview and sanitization
Details: Minor versi
- HTML Block macro with HTML, CSS and JS tabs — syntax highlighting, line numbers, undo history - Live preview through the exact published-render pipeline - Sanitization profiles per block: Strict, Standard, Trusted — with a banner listing anything removed - Site-wide admin guardrails: JavaScript kill-switch and maximum-profile ceiling - Render an .html file attached to the page (up to 10 MB) - Auto-height or fixed-height rendering - Zero storage of page content, zero external egress on update
Payment model: Paid via Atlassian
License type: Commercial