Email yjh@dgvantage.com for questions, corrections and suggestions.
Make a bug report reproducible
- The tool URL and selected options.
- A small, fictional example input.
- The expected result and what actually happened.
- Your browser and operating system.
Please remove API keys, passwords, access tokens, personal records and other confidential data before emailing. A simplified sample is usually enough to investigate.
Privacy questions
Use the same address for questions about the site’s privacy practices. Include enough context to identify the issue, without attaching sensitive source files. We cannot recover data typed into a tool because it is not stored as an input history.