You can see the live preview of the HTML on the same page, but you can also show the preview in a new separate tab where it is more stable.
The highlighted code can also be shown in a separate tab where it is rendered at once (not in the editor), so the browser's native search function can be used (Ctrl+F). This highlighting is done using a reliable third-party library: highlight.js (license).
The formatting function can be useful too. It is done using an efficient third-party library: JS Beautifier (license).
Available functions:
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All input is processed locally (not by a server) and it is thus 100% safe and private.
Internal libraries used:
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