Paste HTML code or upload an HTML file
Start the HTML viewer with a complete HTML document, a copied snippet, or a saved .html file from your computer.
Back home
HTML Viewer Online
Your public URL will appear here.
Waiting to render
Workflow
Free HTML Viewer Online
Open, inspect, edit, and share one HTML page without setting up a local server or deployment pipeline.
Open one HTML document without setting up a repository, local server, or deployment project. Paste code when you are working from a snippet, or upload a saved .html or .htm file.
The editor and rendered preview stay together, so you can check the page, make a small correction, test a mobile width, and publish a browser-ready link only when the result is ready.
View HTML online in the preview
View HTML online as a real browser page so you can check layout, copy, images, styles, and scripts.
Edit, format, and preview HTML
Make quick changes, clean up markup, and preview HTML in desktop or mobile views before sharing.
Publish HTML as a URL
When the preview looks right, generate a shareable link instead of asking someone to download or run a file.
Files
View an HTML File Online
Upload a saved .html or .htm document and inspect the rendered page without installing a separate viewer.
A local HTML file normally opens with a file:// address. That is enough for a private check, but the path only exists on your device. Uploading the file here gives you a consistent browser preview and an optional public URL.
Files that depend on local images, stylesheets, or scripts may look incomplete on another device. Use reachable web URLs or package critical CSS and JavaScript inside the document. For the sharing workflow, see HTML File to URL.
Code
View and Edit HTML Code
Keep the source and browser result together while you make focused changes to one document.
Edit the complete document
Work with the document structure, inline styles, scripts, and visible copy in one source editor.
Open .html and .htm files
Upload a local HTML file and render it without installing a desktop viewer or browser extension.
Refresh the rendered result
Preview the latest source after edits and verify the visible result before you create a public link.
Rendered output
Live Preview with CSS and JavaScript
Test complete single-file documents with markup, inline styles, and basic browser-side scripts.
Put page styles inside a <style> element and browser-side behavior inside a <script> element when you want a portable preview. Refresh the rendered result after an edit, then check the browser console and visible behavior.
External assets still follow normal browser rules. A private localhost URL, a file path from your computer, or a server that blocks cross-origin requests cannot be made public just by placing its address in the document.
Workspace
Full-Screen and Mobile Preview
Use the focused editor for longer documents, then check common phone and tablet widths before sharing.
Check responsive layouts
Switch between desktop, tablet, and common phone widths without resizing the entire browser window.
Use a focused workspace
Keep source, preview, formatting, download, and publishing controls visible in the full-screen editor.
Share the reviewed page
Generate a browser-ready URL after the document renders the way you expect.
Use cases
Common HTML Viewer Use Cases
Use the viewer whenever one HTML document needs a visual check, a review workflow, or a browser-ready link.
Open an HTML file online
Check an HTML attachment, export, saved page, or classroom file directly in the browser.
Review AI-generated HTML
Inspect pages from ChatGPT, Claude, Cursor, v0, Bolt, Lovable, or another generator before sharing.
Preview an email template
Render a single HTML email draft and verify copy, spacing, images, links, and fallback content.
Share a landing page draft
Send a one-page concept to a teammate or client without preparing a production deployment.
Debug a broken layout
Create a focused reproduction that another person can open as the same rendered HTML page.
Teach or learn HTML
Use the viewer for assignments, examples, demos, and quick experiments that need a visual result.
Comparison
HTML Viewer vs View Source, CodePen, and Local Editors
Each tool has a place. This HTML viewer is optimized for opening one HTML page, checking the rendered result, and sharing it quickly.
| Need | This HTML Viewer | View Source | CodePen / JSFiddle | Local Editor |
|---|---|---|---|---|
| Open an HTML file | Upload or paste a local HTML file and render it online. | Only works after a page already exists at a URL. | Usually requires pasting code into separate panels. | Works locally, but sharing still needs another step. |
| Live rendered preview | Built for immediate HTML viewing and visual checks. | Shows source code, not the rendered page. | Good for snippets, less direct for a complete file. | Depends on extensions or a local preview server. |
| Share as a URL | Publish a reviewed single page as a browser-ready link. | No sharing workflow beyond the original URL. | Shareable, but often tied to a developer sandbox. | Needs hosting, file transfer, or a separate deploy. |
| Best for | Viewing, editing, checking, and sharing one HTML page quickly. | Inspecting the source of an existing webpage. | Building interactive code examples and experiments. | Longer projects with files, build tools, and source control. |
Safety
Is This HTML Viewer Safe to Use?
A fast HTML viewer is useful because it shortens the path from source code to a visible page. That same speed makes review habits important before publishing a link.
Remove private data first
Do not paste passwords, API keys, customer records, private notes, internal URLs, or confidential content.
Check external assets
Images, fonts, stylesheets, and scripts should use URLs that another browser can actually reach.
Inspect generated code
AI-generated pages may contain placeholder links, invented claims, broken markup, or unexpected scripts.
Share only reviewed pages
Create a public URL only after the rendered preview shows exactly what you intend others to see.
FAQ
HTML Viewer Online FAQ
Answers to common questions about viewing HTML files online, previewing HTML code, and sharing rendered HTML pages.
What is an HTML viewer?
An HTML viewer is a tool that opens HTML code or an HTML file and shows the rendered page in a browser-like preview. It helps you inspect markup visually before you share or publish it.
How do I view an HTML file online?
Upload the .html file or paste its source code into the HTML Viewer Online tool. The page renders in the preview so you can check the layout, text, images, links, CSS, and scripts.
Can I preview HTML with CSS and JavaScript?
Yes. Complete HTML documents with inline CSS and basic JavaScript can be previewed. External assets should use reachable web URLs if you want other people to see the same result.
Can I share the HTML preview as a URL?
Yes. After reviewing the rendered page, you can publish the HTML as a shareable URL and send the link instead of asking someone to download or run the file locally.
Is this HTML viewer free?
Yes. You can use the HTML viewer to paste code, upload an HTML file, preview the result, and create a shareable page without installing software.
Is this an online HTML viewer free to use?
Yes. It is an online HTML viewer free workflow for quick previews: paste HTML, upload a file, view HTML online, and publish a link after checking the rendered page.
Can I view HTML code online?
Yes. Use the HTML code viewer online to view HTML code online, edit markup, format the source, and compare it with the live rendered preview.
Is this an online HTML viewer and editor?
Yes. The page works as an online HTML viewer and editor for small changes, formatting, HTML code preview, mobile checks, and shareable URL creation.
Can I use HTML Viewer Online full screen?
Yes. Open HTML Viewer Online full screen when you want more room for source editing, live HTML preview, full-page preview, download, and sharing actions.
Can I preview HTML code online?
Yes. You can preview HTML code online, run a preview HTML code online workflow, and inspect CSS, JavaScript, images, and text before publishing.
What is the difference between HTML viewer and HTML preview?
An HTML viewer emphasizes opening and inspecting HTML code or files. HTML preview emphasizes the rendered page. This tool combines HTML viewer, HTML preview, online HTML preview, and HTML editor online with preview workflows.
Is my HTML code private?
Treat any generated public URL as shareable. Remove secrets, private data, internal notes, and unreleased customer content before publishing or sending a link.
What is the difference between an HTML viewer and View Source?
View Source shows the raw code of an existing webpage. An HTML viewer lets you open your own HTML code or file, render it visually, edit it, and share the finished preview.
When should I use full website hosting instead?
Use production hosting when a project needs multiple routes, authentication, backend services, environment variables, custom domains, deployment history, or long-term availability.
Keep exploring
Related HTML Tools and Guides
Build topical depth around HTML viewing, previewing, publishing, and hosting with these closely related workflows.
HTML Preview Online
Preview HTML code online before turning it into a URL.
How to Convert HTML to URL
Learn the full workflow for previewing, publishing, and sharing HTML.
How to Host an HTML File
Compare quick sharing with longer-term HTML hosting options.
What Is an HTML Viewer?
Understand what an HTML viewer renders and when to use one.
HTML Viewer for Android
Open and review an HTML file from an Android browser.
Live HTML Viewer
Use a repeatable edit, refresh, and review workflow.
HTML Viewer with CSS and JavaScript
Preview inline styles, scripts, and external web assets.
HTML Viewer in Chrome
Compare local files, View Source, DevTools, and online viewing.