Exif Purge is described as 'EXIF Purge is a small portable application to remove EXIF meta data from multiple images at once'. There are seven alternatives to Exif Purge for a variety of platforms, including Windows, Linux, Mac, Android and Android Tablet. The best alternative is ImageOptim. It's not free, so if you're looking for a free alternative, you could try ExifCleaner or Scrambled Exif. Other great apps like Exif Purge are Exif Tag Remover (Freemium), Free EXIF Eraser (Free), Metadata Cleaner (Free, Open Source) and Exif Remover (Paid).
ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).
ExifCleaner is a free app written in Electron framework, opensource desktop GUI app to remove exif metadata from images and video files with simple drag and drop. It's built on top of the proven ExifTool library and supports fast multi-core batch processing of files.
Metadata within a file can tell a lot about you. Cameras record data about when and where a picture was taken and which camera was used. Office applications automatically add author and company information to documents and spreadsheets.