How to use HTML Viewer
- Enter or paste your HTML into the input field to begin.
- HTML Viewer updates the output automatically as you type.
- When it looks right, Copy to save it.
About this tool
Everything HTML Viewer does happens on your own device. HTML Viewer handles your HTML on your device and shows the result right away.
Generated previews are escaped or sandboxed so pasted markup cannot affect the tool. Your input never leaves the page, and no account or install is required.
Frequently asked questions
What is HTML Viewer for?
HTML Viewer lets you process your input right in the browser, with the result shown instantly and nothing uploaded.
Does HTML Viewer cost anything?
No — HTML Viewer is completely free, with no sign-up and no hidden limits.
Does HTML Viewer upload my data?
No — HTML Viewer processes everything locally in your browser, so nothing you enter is uploaded or stored.
Will HTML Viewer change my HTML structure?
HTML Viewer only reformats or analyzes what you paste; the underlying structure of your HTML is preserved.
Does HTML Viewer work on mobile?
Yes — HTML Viewer is just a web page and runs on any modern browser, including phones and tablets.