🤔 Usage Questions
Q: What ebook formats are supported?
A: We support conversion between major ebook formats including EPUB, MOBI, PDF, AZW3, TXT, DOCX, RTF, HTML, and more. See our Features page for the complete list.
Q: Is there a file size limit?
A: Yes, we currently support files up to 100MB. If your file exceeds this limit, consider compressing or splitting it first.
Q: How long does conversion take?
A: Conversion time depends on file size and complexity, usually ranging from seconds to a few minutes. There's a 10-minute timeout protection.
Q: Can I close the page during conversion?
A: We recommend keeping the page open until conversion completes. Closing the page may interrupt the process.
🔒 Security Questions
Q: Are my files secure?
A: Yes, we take privacy seriously. All data transfers use HTTPS encryption. The server doesn't permanently store your files - they're automatically cleaned after conversion.
Q: Do you read my file contents?
A: Absolutely not. Our system only performs format conversion. We never read, analyze, or store file contents.
Q: How long are converted files stored?
A: Converted files are stored briefly (usually a few hours) for download. We recommend downloading immediately after conversion.
⚠️ Troubleshooting
Q: What if conversion fails?
A: Please check the following:
- Is the file format supported?
- Is the file corrupted or password-protected?
- Is the file size within the limit?
- Is your network connection stable?
Q: Upload is very slow?
A: Upload speed depends on your network bandwidth. Try:
- Check your network connection
- Try during off-peak hours
- Compress the file to reduce size
Q: Why is the converted file format incorrect?
A: Please confirm:
- You selected the correct target format
- The source format is supported
- The source file is complete and undamaged
💡 Technical Questions
Q: Which browsers are supported?
A: All modern browsers are supported, including Chrome, Firefox, Safari, and Edge. We recommend using the latest version for best experience.
Q: Can I use this on mobile?
A: Yes! Our website uses responsive design and works perfectly on phones, tablets, and other mobile devices.
Q: Do you provide an API?
A: We primarily offer web-based service. For API integration needs, please contact us.
📞 Still Have Questions?
If you didn't find your answer above, please contact us:
📧 Email: support@kfxtool.com
💬 Online Support: Weekdays 9:00-18:00
📱 Visit our Contact page for more options.