[console logs viewer](markknol/console-log-viewer: Displays logs and Javascript errors in an overlay on top of your site. Useful for mobile webdevelopment. Enabled in 5 seconds (github.com)) perfect for debugging in mobile environments

client side background remover that uses wasm - imgly/background-removal-js: Remove backgrounds from images directly in the browser environment with ease and no additional costs or privacy concerns. Explore an interactive demo. (github.com)