Q: Is the add-on free?
A: The add-on is a commercial product. Visit xentr.net for license information.
Q: Which XenForo versions does it support?
A: XenForo 2.3.0 and all higher versions are supported.
Q: Can I add watermarks to existing images?
A: Yes, you can add watermarks to all existing images using the Batch Process tool.
Q: Can I remove the watermark later?
A: Yes. In dynamic mode (recommended), simply disable the add-on. In permanent mode, you can restore from backups.
Q: Do original files change?
A: In dynamic mode (recommended), original files never change. In permanent mode, they change but are backed up.
TECHNICAL QUESTIONS
Q: Is GD Library enough, is ImageMagick required?
A: GD Library is sufficient in most cases. ImageMagick is optional and can be used for advanced features.
Q: Does it use too much disk space?
A: In dynamic mode, cache files take up space (automatically cleaned). In permanent mode, backups take up space. Average 20-30% additional space required.
Q: Does it affect server performance?
A: Minimal impact. Processing occurs on first view, subsequent views come from cache. Dynamic mode is recommended.
Q: Is it compatible with mobile apps?
A: Yes, it's compatible with all platforms as it uses XenForo's standard attachment system.
Q: Is GIF support available?
A: No, GIF support has been removed due to performance and quality reasons. JPG, PNG, and WebP are supported.
FEATURE QUESTIONS
Q: Can I use different watermarks in different forums?
A: Currently, single watermark is supported. However, you can disable watermarks in specific forums using forum-based filtering.
Q: Can I add watermarks to video files?
A: Currently, only image files (JPG, PNG, WebP) are supported. Video support is planned for future versions.
Q: Can I use custom fonts?
A: Yes, you can upload and use TTF or OTF font files. 4 ready-made fonts are also included.
Q: Does it support RTL languages (Arabic, Persian)?
A: Yes, RTL text support is available.
Q: Can I add watermarks to animated images?
A: Static images are supported. Animated GIF support has been removed.
USAGE QUESTIONS
Q: Watermark is not showing, what should I do?
A: Checklist:
- Is the add-on enabled? (Settings > [XTR] Watermark)
- Is the image size above minimum values?
- Is the forum/user group not excluded?
- Is the content type selected?
- Has cache been cleaned?
Q: Watermark quality is low, how can I improve it?
A: Solutions:
- Increase JPEG quality (Advanced Settings > 95-100)
- Reduce PNG compression (0-3)
- Use high-resolution logo (min 1000px)
- Adjust font size (20-30px recommended)
Q: Batch process is not working, what should I do?
A: Solutions:
- Reduce batch size (25-50)
- Increase PHP max_execution_time
- Increase PHP memory_limit (256M)
- Check server logs
Q: Cache has grown too large, what should I do?
A: You can perform manual cleanup from Admin Panel > Watermark > Clean Cache. Automatic cleanup runs every night.
SUPPORT QUESTIONS
Q: How can I get support?
A: Visit our support forum: 
XenTR | XenForo Add-ons and Styles
Q: How do I update?
A: Using XenForo's standard add-on update system. Settings are preserved.
Q: Can I request features?
A: Yes, you can share your suggestions in the support forum. All feedback is evaluated.