1. Image Resizing: This is the primary function of the software. It allows you to resize images in bulk. You can choose to resize images based on specific dimensions (in pixels or as a percentage of the original size) or even select from predefined size options.
2. Batch Processing: LIR is designed for bulk processing. You can select multiple images and apply the same resizing parameters to all of them at once, which can save a significant amount of time.
3. Output Format Conversion: It supports various image formats (JPEG, PNG, BMP, TIFF, and more). You can convert images from one format to another during the resizing process.
4. Watermarking: You can add a watermark to your images, which can be useful for branding or copyright purposes.
5. Advanced Options: It offers various advanced options for configuring the resizing process, including options for DPI (dots per inch), color depth, and compression level for JPEG images.
6. Profiles: You can save your commonly used resizing configurations as profiles. This makes it easy to apply the same settings in the future.
7. Preview Functionality: Before applying the changes, you can preview how the resized images will look.
8. Support for RAW Images: It can work with RAW image formats from various camera models.
9. Integration with Windows Shell: It can be integrated into the Windows context menu, allowing you to right-click on an image file and access the resizing options directly.
10. Output Folder Customization: You can specify where the resized images will be saved.
11. FTP Upload: It has the ability to directly upload resized images to an FTP server.
12. Multilingual Interface: It supports multiple languages, making it accessible to a global audience.

Light Image Resizer Pro Key Features:

1. Bulk Image Resizing: Resize multiple images at once, saving time and effort.
2. Output Format Conversion: Convert images to different formats (JPEG, PNG, BMP, TIFF, etc.) during the resizing process.
3. High-Quality Resizing Algorithms: Utilizes advanced algorithms to ensure high-quality resizing results.
4. Profiles for Customization: Save frequently used resizing configurations as profiles for easy application in the future.
5. Watermarking: Add watermarks to images to protect your work or for branding purposes.
6. Advanced Configuration Options:
   • Control over DPI (dots per inch).
   • Adjust color depth.
   • Set compression levels for JPEG images.
7. Preview Functionality: Preview resize images before applying changes.
8. Support for RAW Images: Works with RAW image formats from various camera models.
9. Integration with Windows Shell: This can be integrated into the Windows context menu for quick access.
10. Output Folder Customization: Specify where the resized images will be saved.
11. FTP Upload: Directly upload resized images to an FTP server.
12. Multilingual Interface: Supports multiple languages for a global user base.
13. Multi-Core Support: Utilizes the power of multiple processor cores for faster processing.
14. Undo Functionality: Allows you to revert to the original images after resizing.
15. Red Eye Removal: Has the capability to automatically remove red-eye effects from photos.
16. Rotate and Flip: Can rotate or flip images during the resizing process.
17. Rename Images: Change the file names of images during the resizing process.
18. Aspect Ratio Maintenance: Preserve the original aspect ratio of images or choose to distort it if needed.
19. Exif Data Preservation: Optionally preserve or remove Exif metadata from images.
20. Image Sorting and Organization: Sort images by name, date, or other criteria.

Pros:

1. Batch Processing: It allows for resizing multiple images at once, saving time for users dealing with large sets of images.
2. Wide Range of Output Formats: It supports various image formats, including popular ones like JPEG, PNG, BMP, TIFF, etc. This provides flexibility for different use cases.
3. Customizable Profiles: The ability to save resizing configurations as profiles makes it easy to apply the same settings in the future.
4. Watermarking: This feature is useful for photographers and businesses looking to protect their images or add branding.
5. Advanced Configuration Options: Users have control over DPI, color depth, and compression levels for JPEG images, allowing for finer adjustments.
6. FTP Upload: Direct upload to FTP servers can be a time-saver for users who need to share images online.
7. Integration with Windows Shell: Integration with the context menu of Windows Explorer makes it convenient for users to access the resizing options.
8. Red Eye Removal: The automatic red-eye removal feature can be handy for enhancing portrait photos.
9. Multi-Core Support: Utilizing multiple processor cores can lead to faster processing, especially on modern systems.

Cons:

1. Limited Editing Features: While It excels at resizing and basic editing tasks, it may not offer the same level of advanced image editing capabilities as dedicated image editing software.
2. Potential for Quality Loss: Depending on the resizing settings chosen, there is the potential for some loss of image quality, especially if not configured properly.
3. Lack of Advanced Image Manipulation: It may not have the same level of advanced image manipulation features as more specialized software like Adobe Photoshop.
4. Subscription Model (Pro Version): If you’re using the Pro version, it may be on a subscription model, which some users may prefer to avoid.
5. No Support for Vector Graphics: It is primarily designed for raster images and does not support vector graphics formats like SVG.
6. Interface Complexity for Novices: While the interface is generally user-friendly, users who are not familiar with image editing software may find some features and options a bit overwhelming.