What is Multi Looper?

Multi Looper is a free web app that lets you create multiple loop sections on any YouTube video and play them back in sequence. Perfect for instrument practice, language learning, dance choreography, and any scenario where you need to watch the same part over and over.

Is Multi Looper free?

Yes, Multi Looper is completely free to use. No account registration is required.

Where is my data stored?

Loop section settings are stored in your browser's localStorage. No personal data is sent to or stored on our servers.

What can I use Multi Looper for?

Music practice (repeating difficult phrases), language learning (replaying listening materials), dance (breaking down choreography), sports (analyzing form in slow motion), transcription, and more.

Guitar practice

Practice guitar with YouTube, phrase by phrase

Stop rewinding the same 4 seconds of a solo over and over. Create a loop for every tough phrase, set each to the speed you need, and let Multi Looper walk you through the song.

Start practicing

Most guitarists practice with YouTube already. They find a cover, a lesson, or the original recording, and they try to learn a solo, a riff, or a chord progression. The problem is that YouTube was built for watching, not for practicing. Rewinding a 4-second lick twenty times means dragging the playhead twenty times.

Multi Looper was built specifically to remove that friction. You mark the phrases you want to practice, you choose a speed for each one, and you hit play. The tool loops them in sequence until you tell it to stop.

Why multi-section loops matter for guitar

A guitar song is not a single loop. It is an intro riff, a verse chord pattern, a pre-chorus lick, a chorus melody, maybe a bridge, and almost always a solo. Each of these sections has its own challenge: some need to be slowed down for finger memory, others need to be practiced at full tempo for groove, others need gradual speed-up to bridge between the two.

With a single-loop tool you can only work on one of those at a time. With Multi Looper you can set the intro at 0.9x, the verse at 1.0x, the pre-chorus lick at 0.75x, the chorus solo at 0.6x, and the outro at 1.0x — then run them in a single uninterrupted session. That is how real practice works.

Pitch-preserving slowdown

A common worry for guitarists is that slowing down a YouTube video will lower its pitch and throw off ear training. The YouTube IFrame player that Multi Looper uses is pitch-preserving: audio at 0.5x and 0.75x stays in tune, so you can practice along with your guitar in the original key.

If you do need to change key, use a separate capo or a DAW. Multi Looper focuses on what it does best — loops and speed — and leaves pitch shifting to tools built for it.

Gradual speed-up: the classic practice technique

The proven way to internalize a fast lick is to play it cleanly at a slow speed, then nudge the tempo up a few percent, then again, until you reach full speed. Most guitarists do this by counting repetitions and manually changing the speed. Multi Looper automates it: turn on gradual speed-up, set your increment percentage and max speed, and every successful cycle raises the tempo automatically.

This turns your browser into a metronome-like practice partner without the metronome. It is especially powerful when combined with multiple sections — you can drill a verse at 0.8x→0.95x and a solo at 0.5x→0.8x in the same sitting.

A suggested practice workflow

Find a YouTube video of the song you want to learn — the original, an isolated guitar track, or a lesson video. Paste the URL into Multi Looper. Play through the song once at full speed and press M every time you hit a phrase you want to learn. Then press L at the end of each phrase. You now have your sections.

For each section, open the edit panel, rename it ("intro", "solo bar 1-4", etc.), and set the speed. Uncheck sections you are not working on today. Press play. Practice in focused blocks. Come back tomorrow and everything is still there.

Features built for guitar practice

Unlimited loop sections per song with drag-to-reorder
Per-section playback speed from 0.25x to 2x, pitch-preserving
Gradual speed-up mode with configurable increment and max speed
Keyboard shortcuts for marking (M), loop-to-here (L), new section (N)
Automatic per-video save in your browser, no account required
Share URL that encodes your full section list

FAQ

Is this better than slowing down with a DAW?

It depends. A DAW gives you more audio control and lets you work offline with ripped audio. Multi Looper is faster when the learning source is already a YouTube video — you skip the download and import step, and your loops are saved against the video for next time.

Can I practice along with a tab site and Multi Looper?

Yes. Open Ultimate Guitar or Songsterr in one tab and Multi Looper in another. Some players use a second monitor for the tab and keep Multi Looper full-screen for playback.

Does it work for bass and ukulele too?

Yes. The workflow is identical: mark phrases, set speed, loop. Multi Looper is instrument-agnostic.

Ready to practice?