Vidsieve - A-B Loop, Speed & Pitch Changer for YouTube

A-B repeat any part of a YouTube video, slow down the tempo without changing pitch and transpose the key. Practice music or dance.

Practice the hard part of any YouTube video until you get it right. Vidsieve Loop is an A-B looper for YouTube. Mark a section, repeat it as many times as you need, slow it down without changing the pitch and transpose the key to match your instrument or voice. It also helps you repeat sentences when learning a language. LOOP ANY SECTION • A-B repeat straight from the player's control bar • Name your sections and play them in order • Practice pause after each repeat, to get ready before the next one SPEED AND TEMPO • Slow down or speed up from 25% to 400%, for the whole video or just one part • Pitch stays the same when you change the speed • Progressive speed: start slow and go a bit faster on each repeat • See the tempo in BPM, or tap it PITCH SHIFTER AND TRANSPOSE • Transpose by semitones and fine-tune in cents • Match a song to your instrument's tuning or your vocal range MORE FOR PRACTICE • Mirror the image to learn dance moves facing the same way • Library of what you practiced, picking up where you left off • Share what you marked with a link • Backup to a file • Keyboard shortcuts FREE, PRIVATE, NO ACCOUNT The free version has everything above with up to 3 sections per video. No ads, no account, no tracking: everything stays in your browser. VIDSIEVE PRO (OPTIONAL, ONE-TIME PAYMENT) Unlimited sections, your own lists and titles, and custom shortcut keys. One purchase unlocks Pro in every Vidsieve extension. No subscription.