GifRun - GifRun provides easiest way to find and create animated GIFs from YouTube, Video, Images or Vine...
you-tldr - Get the tldr of any YouTube video in seconds
CONV. - Convert YouTube video to MP3, GIF or MP4
tubecut. - The only YouTube downloader allows you to trim specific time
Turn Off the Lights - With a single click on the lamp button, the page will fade to dark.
TLDR This - Automatically summarize any article or webpage in a click.