JSON Formatter
Format minified JSON with readable indentation.
Open toolDeveloper Tools
HTML Formatter
Format HTML into readable nested markup. Your input stays in this browser during processing.
Private local processing
Your text and settings stays in this browser.
About HTML Formatter
Arrange compact HTML markup onto indented lines for easier reading, without executing or rendering the page.
What the result contains
HTML markup arranged on indented lines for easier inspection.
Accepted input
- HTML
- HTM
- PLAIN
- TXT
How to use HTML Formatter
- Paste the HTML markup you want to format.
- Run the formatter and review the nested structure.
- Fix missing closing tags first if the nesting looks incorrect.
- Copy or download the formatted HTML.
Practical example
Expand a minified email template before reviewing its nested elements.
Check your result before using it
Review text nodes, attributes and preformatted blocks after formatting, then inspect the result in a development page. Some whitespace is meaningful in HTML, particularly in preformatted text or inline content. Formatting does not sanitize untrusted markup or make embedded scripts safe. Do not paste a downloaded fragment into a production page solely because it has readable indentation; review its links, event handlers and external resources first.
When to use HTML Formatter
- Expand a minified email template before editing one section
- Review the structure of HTML copied from a page source
- Clean up markup before pasting it into documentation
Important limitations
- The formatter is intentionally lightweight and does not execute or render the HTML.
- Embedded scripts, styles and malformed markup are not fully parsed like a browser developer tool.
Troubleshooting HTML Formatter
The output nesting drifts
Correct missing closing tags first or use the browser's parsed DOM view for malformed legacy HTML.
Private local processing
The text and settings is processed on this device and is not uploaded to MyFileNest. Closing or refreshing the page clears the active session.
Frequently asked questions
Practical limit: Large text or structured-data inputs can respond more slowly in the browser. Verify generated output before using it in a production workflow.