For advanced users who need bulk tagging without a price tag, ExifTool by Phil Harvey is the gold standard. It is a powerful, cross-platform command-line application for reading, writing, and editing meta information in a wide variety of files. While it lacks a graphic interface, a simple command line can geotag thousands of images simultaneously for free. 3. Geosetter (Free Windows Tool)
Instead of geotagging images one by one, Pro users can upload and process dozens or hundreds of photos simultaneously. This saves hours of manual work. 2. Increased Image Limits