HTML Validator
MarkupValidate and normalize HTML quickly before previewing, publishing, or embedding markup.
How to use HTML Validator
Open the sections only when you need instructions or a quick explanation of the result.
- 1
Load Data
HTML validation here focuses on parseability and cleaner structure within the same formatter workspace.
- 2
Validate HTML
Validate and normalize HTML quickly before previewing, publishing, or embedding markup.
- 3
Review: Formatted, Minified, Raw, Preview, Errors
Use the HTML validator when snippets, templates, or CMS fragments need a fast cleanup and parser sanity check.
- 4
Copy, download, or continue
HTML is formatted locally and preview remains sandboxed.
Helpful context
Setup notes, privacy details, and examples when needed.
Use the HTML validator when snippets, templates, or CMS fragments need a fast cleanup and parser sanity check.
Common questions about HTML Validator
Keep moving with nearby workflows
A few closely related tools stay linked here without turning the page into a directory.