Get In Touch

Contact Us

Have questions, feature requests, or partnership inquiries? We respond within 1 business day

Frequently Asked Questions

QAre basic features free?
Yes, basic features are free with daily credits. Premium features are available with membership subscription for advanced professional needs.
QAre my uploaded files safe? Are they stored?
All file transfers use HTTPS encryption. Files are automatically deleted from our servers within 1 hour of processing โ€” they are never retained long-term or used for any other purpose. You can use our tools with confidence.
QWhat should I do if processing is slow or fails?
Processing speed depends on file size, server load, and your network. Try: โ‘  Check your internet connection; โ‘ก Compress very large files (>50MB) before uploading; โ‘ข If failures persist, contact us via email with the file type and an error screenshot.
QIs batch processing of multiple files supported?
Yes, many tools support batch uploads (PDF merge, bulk image processing, etc.). Check the description on each tool's page for specific batch capabilities.
QHow do I request a business partnership or API access?
Please email support@queryx.cn with your partnership needs, use case, and estimated volume. Our business team will follow up within 2 business days.