Contact & Support
We welcome feedback from developers, QA engineers, students, and advertisers. Whether you have questions regarding our dummy files, need a specialized format or size added, or wish to inquire about partnership opportunities, our team is here to assist.
General & Technical Support
For general inquiries, broken download links, API integration questions, or technical troubleshooting:
ndl.long.nguyendai@gmail.comFeature & Format Requests
Need a specific MIME type, larger file size limits, or automated CLI flags added to the platform?
ndl.long.nguyendai@gmail.comAdvertising & AdSense Compliance
For Google AdSense policy queries, direct sponsorship, ad placement feedback, or banner inquiries:
ndl.long.nguyendai@gmail.comDMCA & Legal Notices
For intellectual property questions, GDPR/CCPA data privacy requests, or formal legal correspondence:
ndl.long.nguyendai@gmail.comPublisher & Operator Information
Project: FileDummy (Free Test Files & Generator)
Domain: filedummy.ndlong.site
Network: NDL Ecosystem Network
Founder & Engineer: Nguyen Dai Long
Response Time Commitment
We review and reply to all legitimate inquiries, bug reports, and format requests within 24 to 48 business hours.
Direct inbox: ndl.long.nguyendai@gmail.com