HTML Validation Tool
HTML Validation Tool checks HTML code syntax and structure for standards compliance, helping developers optimize web page quality.
HTML Validator Introduction
The HTML Validator is a practical frontend helper tool that automatically detects syntax errors, unclosed tags, or incorrect nesting in HTML files and generates corrected HTML code. Users can paste HTML code or upload files directly; the tool intelligently parses and outputs the corrected HTML, supporting copy and download for easy web structure optimization and code quality improvement.
Key Features
- Supports pasting HTML code or uploading local HTML files
- Automatically detects and fixes unclosed tags or nesting errors
- Supports clearing and loading sample HTML code for testing
- Corrected HTML can be copied or downloaded directly
- Simple and efficient, ideal for syntax validation and optimization before web development
HTML Validator Tutorial
Enter HTML Code
Paste HTML code into the editor, or click 'Upload File' to select a local HTML file; the tool will automatically load the content.
One-Click Validate & Fix
Click the 'Validate & Fix HTML' button; the tool will automatically detect errors and generate the corrected HTML code.
Copy & Download
After validation, you can copy the result to the clipboard or download it as an HTML file.