HTMLViewer.io Blog
Practical guides for viewing, sharing and exporting HTML — from quick previews to AI-generated reports.
How to Convert HTML to PDF Without Losing Formatting
Why HTML breaks when saved as PDF, text vs snapshot export compared, print CSS fixes for page breaks and backgrounds, and a free way to export any HTML page.
Online HTML Viewers Compared: CodePen, JSFiddle & More
CodePen, JSFiddle, CodeSandbox, StackBlitz, W3Schools Tryit, VS Code Live Preview and HTMLViewer.io compared on sharing, privacy, PDF export and accounts.
How to Open HTML Files on iPhone and Android
Got an .html attachment on your phone? Here's why it shows code or won't open, what works on iPhone and Android today, and how to view it fully rendered.
How to Preview and Share HTML from ChatGPT, Claude or Gemini
Got HTML code from ChatGPT, Claude or Gemini? See it rendered, fix common breakages, and send it as a link or PDF, even to people without that AI account.
How to Preview HTML Email Templates Before Sending
Preview HTML email templates in a browser to check layout, copy and links, share for approval, then test in real inboxes. Covers Outlook, Gmail and dark mode.
How to Share an HTML File as a Link (So It Opens Rendered)
Send an HTML page as a link that opens as a real web page, not code or a blocked attachment. Compare HTMLViewer.io, GitHub Pages, Netlify Drop and CodePen.
How to Share an HTML Report or Dashboard Without Hosting
Share Jupyter, Plotly, Quarto, R Markdown or pytest-html reports as a link without a server. Make them self-contained, stay under 5 MB, and keep data private.
How to View an HTML File Online (No Download, No Editor)
Two ways to see an .html file rendered: open it in a browser or paste the code into an online viewer. Plus fixes for missing images, blank pages and odd text.