Bulk Upscaling
What is Bulk Upscale?
The bulk upscale feature lets you enhance multiple coloring pages at once by increasing their resolution and improving image quality. Instead of upscaling images one by one, you can select up to 50 images and process them simultaneously in the background.
How It Works
The system uses advanced AI upscaling technology to:
- Double the resolution - Transform 512x512 images to 1024x1024 (or similar scaling) 
- Preserve coloring page style - Maintains clean black and white line art 
- Process in parallel - All selected images are enhanced simultaneously 
Using Bulk Upscale
Step 1: Select Your Images
- Go to your dashboard 
- Click the checkbox next to each image you want to upscale 
- Select up to 50 images per batch 
Step 2: Start the Upscale Job
- In the contextual menu at the bottom of your screen, click the "Upscale" icon 
- Confirm your selection 
- The job will start processing immediately 

Step 3: Monitor Progress
Your bulk upscale job will appear in the bulk actions dashboard showing:
- Total images being processed 
- Real-time progress as images complete 
- Individual image status (pending, processing, completed, failed) 
Step 4: Download Results
Once complete, you can:
- View individual images by expanding the job card 
- Download all images as a ZIP file using the bulk download button 
Image Requirements
Supported Images
- Coloring pages generated through ColorBliss 
- PNG and JPEG formats 
- Maximum 4MB file size per image 
Limitations
- Images already upscaled cannot be processed again 
- Very large images (>4MB) will be skipped 
- Corrupted or invalid images will fail individually without affecting other images 
- You will not have any credits deducted for failed upscaling. 
Technical Details
Processing Time
Most jobs finish in a few minutes.
Processing time varies based on:
- Original image complexity 
- Current system load 
- Network conditions 
Quality Enhancement
The upscaling process:
- Maintains crisp edges and clean lines 
- Preserves the black and white coloring page aesthetic 
Print Quality & DPI
One of the biggest benefits of upscaling is improved print quality:
- Higher DPI for printing - Upscaled images reach approximately 350 DPI when printed at standard sizes 
- Professional print quality - Meets commercial printing standards (300+ DPI requirement) 
- Crisp lines on paper - No pixelation or blurry edges when printed 
- Perfect for large formats - Upscaled images can be printed up to 8x10 inches with excellent quality 
Troubleshooting
Job Stuck at "Processing"
If your job appears stuck:
- Wait 5-10 minutes as processing can take time 
- Refresh your browser to check for updates 
- Contact support if stuck for over 30 minutes 
Individual Image Failures
Some images may fail while others succeed:
- File too large: Original image exceeded 4MB limit 
- Already upscaled: Image was previously processed 
- Invalid format: Corrupted or unsupported file 
- Processing error: Temporary AI service issue 
Failed images don't affect successful ones in the same batch.
Download Issues
If downloads fail:
- Check your internet connection 
- Try downloading individual images instead of the bulk ZIP 
- Clear browser cache and try again 
- Contact support for persistent issues 
Best Practices
Batch Sizing
- Start small: Try 5-10 images for your first batch 
- Monitor progress: Larger batches take significantly longer 
- Consider timing: Run large batches during off-peak hours 
Image Selection
- Choose wisely: Select your best coloring pages for upscaling 
- Check quality: Ensure original images are clear and well-formed 
- Avoid duplicates: Don't upscale the same image multiple times 
Pricing & Limits
Usage Limits
- Upscaling costs 1 credit per image. 
- Bulk upscaling is available on the Artist plan or higher. 
Support
Need help with bulk upscale?
- Documentation: Check this guide first 
- Email: help@colorbliss.com for technical issues 
- Priority Support: Available for Business and Ultra plan users 

