Free online HTML viewer
HTMLViewer.io lets you paste or type HTML and see it rendered instantly, side by side with the code. Save documents, share them as a link (public or with specific people), and export them to PDF — directly in the browser, with no install.
What you can do
- Preview HTML, CSS and JavaScript (including charts) live as you type.
- Share an HTML page with a link instead of sending a file.
- Export HTML to PDF with selectable text, or as a pixel-exact snapshot.
- Open and read HTML documents on desktop and mobile.
Guides
- How to Convert HTML to PDF Without Losing Formatting
- Online HTML Viewers Compared: CodePen, JSFiddle & More
- How to Open HTML Files on iPhone and Android
- How to Preview and Share HTML from ChatGPT, Claude or Gemini
- How to Preview HTML Email Templates Before Sending
- How to Share an HTML File as a Link (So It Opens Rendered)
- How to Share an HTML Report or Dashboard Without Hosting
- How to View an HTML File Online (No Download, No Editor)