HTML Viewer
Paste an HTML document or fragment and render it in an isolated preview without changing the current page.
How to use it
Paste code, then select View HTML. Load sample demonstrates headings, lists, a table and inline styles. Clear resets both panes.
Useful example
A copied email template or generated HTML fragment can be checked visually before you place it in a website or content system.
Tips
Scripts are disabled by the preview sandbox. Treat unfamiliar HTML as untrusted and inspect its source before using it elsewhere.
Frequently asked questions
Does this tool send data to a server?
No. The tool runs entirely in your browser. Nothing you type is submitted to Mathmatives.
Does it work on a phone?
Yes. The controls stack into a single column on smaller screens and work with touch, mouse or keyboard.
Is it free to use?
Yes. The tool is free, needs no account and has no usage limit.
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Last updated . Formulas are shown on the page and checked against the worked example.
This calculator is for general information and education only. It is not professional advice. Confirm important decisions with a qualified adviser.