Photonest Plus

Photonest Plus is a Windows desktop application that manages photo collections. The program processes image files using EXIF metadata and organizes folders according to specific criteria. All operations are performed on the local computer without requiring an internet connection.

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• Classification by date. This function organizes photos into folders based on capture date. It analyzes EXIF metadata and creates a folder structure based on year, month, and day. The system recognizes different date formats and corrects discrepancies in time information.
• Batch renaming. This feature modifies the names of multiple files simultaneously. It allows applying custom patterns that include date, time, sequence number, and camera model. It maintains consistency in file naming within the photography project.
• Image geolocation. The tool assigns GPS coordinates to photographs using track log files. It compares the timestamps of images with recorded position data and writes the geographic information into EXIF metadata.
• Metadata removal. This function removes all EXIF information from image files. It processes groups of photos by removing camera data, exposure settings, copyright information, and geographic location. It preserves the original image quality during the process.
• Duplicate detection. The algorithm identifies identical photos through MD5 hash comparison and visual analysis. It detects files with the same content but different names, and files with slight variations in compression. It presents results in a review interface before deletion.
• Organization by equipment. It classifies images according to the camera model used. It extracts manufacturer and model number information from EXIF metadata. It creates a folder structure that separates photos by capture device.
• Lens filtering. This function categorizes photos according to the lens used. It reads lens specifications from EXIF metadata including focal length and maximum aperture. It generates statistical reports on the use of different lenses in the photo collection.
• Metadata export. It extracts all EXIF information and exports it in CSV and XML formats. It allows external analysis of technical photo data and the creation of detailed collection inventories.
• Advanced search. The system locates photos according to specific technical criteria. It filters by ISO values, shutter speed, aperture, and white balance. It combines multiple criteria in a single search operation.
• Integrity validation. It verifies the integrity of image files and detects data corruption. It examines the internal structure of JPEG, PNG, and RAW files. It identifies damaged photos that require recovery or recapture.
• Automatic rotation. It adjusts photo orientation according to EXIF rotation metadata. It applies the correct transformation to images that were captured in vertical or angled orientation. It maintains the original aspect ratio during rotation.
• Batch compression. It reduces the size of multiple image files while maintaining configurable quality parameters. It allows adjusting the JPEG compression level and resizing photo dimensions. It optimizes storage for files intended for web or backup.

Development began in 2019 as an internal tool for personal photo organization. The first public version was released in 2020 after a year of testing and refinement. The program is written in C# using the .NET framework. The graphical interface was implemented with Windows Presentation Foundation. Specialized libraries such as MetadataExtractor and ImageSharp are used for image and EXIF metadata processing. The software architecture is optimized for efficient input/output operations with large volumes of files.

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