Exif Purge - EXIF Purge is a small portable application to remove EXIF meta data from multiple images at once.
ImageOptim - Faster web pages and apps.
BatchPurifier - Download free metadata removal tool to protect your privacy.
Oxipng - Oxipng is a multithreaded lossless PNG compression optimizer. It can be used via a command-line interface or as a library in other Rust programs.
Scrambled Exif - Scrambled Exif (pronounced eggsif) helps you remove the metadata in your pictures before you share...
TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!