1. people who view or examine something in advance, especially before it is made available to the general public
2. software applications or programs that allow users to view files or content before opening them fully
Usage: computing

Examples

• The movie studio invited previewers to watch the film before its official release.
• Beta testers served as previewers for the new video game.
• Art critics acted as previewers for the gallery’s upcoming exhibition.
• The software includes several file previewers for different document types.
• Image previewers help users quickly identify photos without opening them.
• The previewers gave positive feedback about the restaurant’s new menu.