Contact
Questions, feedback, bug reports, or partnership inquiries. We read every message.
General questions, feedback, or partnership inquiries.
contact@validatehtml.com
Report a bug
Found something that does not work as expected? Send us the URL, a screenshot if possible, and what you were trying to do. We fix things fast.
GitHub
Open an issue or pull request on our public repository.
Response time
ValidateHTML is built and maintained by an independent developer. Most emails are answered within 2-3 business days. Bug reports are prioritized.