uMark Free v/s uMark Professional

uMark is free forever, however certain advanced features are disabled after initial trial of 15 days should you choose not to upgrade to the Pro version.
Feature uMark Free uMark Professional
Image formats supported bmp, jpg, gif, png, tiff bmp, jpg, gif, png, tiff
Maximum images processed at a time 50 unlimited
Text watermark
Logo watermark
EXIF watermark  
Multiple watermarks 2 unlimited
Font customization
Text transparency
Logo transparency
Multi line text watermarks
Special characters in watermark
Output image format Same as source Customizable
Real time preview
Watermark positioning 9 predefined positions Fully customizable
Watermark rotation
Preserves EXIF info
Watermark tiling  
Output file renaming  
Output file resizing  
Save watermarks for repeated use  
Generate thumbnails  
Custom quality jpeg images
Help and support  
Price FREE $29
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