HTML Source Viewer
Free HTML source code viewer. Instantly fetch and read the raw HTML markup of any URL with syntax highlighting and line numbers.
How to Use HTML Source Viewer
Enter URL
Type the website URL.
Fetch Code
Click View Source.
Inspect
Read the formatted HTML markup.
Who Uses HTML Source Viewer?
Web developers debugging markup, SEOs checking meta tags, students learning HTML, users on mobile devices without developer tools.
Why Use Our HTML Source Viewer?
View source without right-clicking
Syntax highlighted code
Line numbers for debugging
Works perfectly on mobile devices
Frequently Asked Questions
How can I safely view the HTML source code of a live website without affecting the page's functionality?
You can safely use an HTML source viewer tool to extract and display the underlying markup of any URL without interacting with the live site's scripts or database. This process is read-only, meaning it simply fetches the publicly available server-side code for your review without triggering any server-side processes or affecting the user experience.
Is the HTML source viewer tool useful for identifying hidden meta tags or SEO-related elements on a competitor's site?
Yes, it is an essential tool for SEO professionals who need to audit a competitor's meta title, description tags, canonical links, and Open Graph data. By viewing the raw source, you can quickly identify the technical implementation of their on-page SEO strategy that isn't immediately visible on the rendered front-end.
Can I use an online HTML source viewer to troubleshoot broken layouts or missing image assets?
Absolutely, viewing the source code allows you to inspect the exact file paths used for images, CSS files, and JavaScript assets. If an element isn't loading correctly, you can check the source to see if the browser is pointing to a broken URL or if there is a syntax error in the tag implementation.
Does the HTML source viewer reveal the JavaScript-rendered content on modern websites?
Most standard HTML source viewers display the initial static markup sent by the server, which may differ from the final DOM structure seen in a browser after JavaScript executes. For websites that rely heavily on client-side rendering frameworks like React or Vue, the raw source view shows the server-rendered shell, whereas browser developer tools reflect the final state after scripts run.
Is it possible to copy and edit the raw HTML source code directly from this viewer?
Once the tool retrieves the HTML, you can easily copy the entire block of code to your clipboard for use in a local text editor or IDE. While the viewer itself is designed for inspection and extraction, having the clean markup ready allows you to experiment with edits, troubleshoot formatting, or learn how specific page elements were structured.