How to write hooks that stop the scroll
On a short-form feed, your first 1-2 seconds decide everything. If the opening line doesn't give someone a reason to stay, they're already swiping to the next video before your point even loads. A hook isn't a clever intro — it's the promise that the next 30 seconds are worth their time. This guide breaks down the hook types that actually work, the mistakes that quietly kill retention, and how to test a handful of openings fast instead of betting your whole edit on one guess.
Step by step
How to write hooks that stop the scroll on Shorts with FastClip.
Lead with the moment, not the warm-up
The biggest scroll-killer is a slow start: "Hey guys, so today I wanted to talk about…" By the time you get to the point, the viewer is gone. Cut straight to the most interesting line, claim, or moment in the clip and put it first. A good test: if you deleted your first sentence, would the video get better? If yes, that sentence was a warm-up, not a hook.
Pick a hook type that fits the clip
Don't force every video into the same opening. Match the hook to what you actually have. A question hook ("Why does nobody talk about this?") works when you're about to answer something the viewer is curious about. A bold-claim hook ("This is the fastest way to do X") works when you can back it up. A tension or curiosity-gap hook ("I almost didn't post this…") works when there's a payoff worth waiting for. Choose the angle the clip can deliver on.
Make the visual hook as strong as the words
On a muted feed, the first frame is part of the hook. A static talking head that takes a second to get going loses to motion, a face mid-reaction, or text that lands the promise instantly. Open on movement or expression, and put a short on-screen caption that states the payoff in a few words so the hook works even with the sound off.
Promise something specific, then keep the promise
Vague hooks ("this changed everything") get ignored because the brain can't picture the payoff. Specific hooks ("the one setting most people never change") give a clear reason to stay. But specificity is a contract: whatever you tease in the first 2 seconds, the video has to actually deliver, and fast. If the hook over-promises and the payoff is weak, people bounce and the algorithm notices.
Write 3-5 hooks for the same clip and test them
Your first hook is rarely your best one. For any clip worth posting, write a few different openings — a question, a claim, a tension line — and try them. The fastest way to do this is to generate several Shorts from your long video at once with FastClip, then swap the on-screen caption or re-cut the opening line in the browser editor. You learn far more from comparing real openings than from agonizing over one.
Trim the dead air and post
Once the hook is set, tighten the front of the clip so there's zero lag before the payoff lands — every wasted frame at the start is a chance to scroll. In FastClip's editor you can trim the opening, confirm the captions are in sync with the hook, then export in 1080p 9:16. Post it manually to TikTok, Reels and YouTube Shorts and watch which hook style holds attention longest.
Tips that make a difference
The hook is a promise, not a teaser
A teaser hides the value ("wait for it…"); a promise shows it ("here's the part everyone skips"). Promises win because the viewer instantly knows what they're staying for. Lead with the benefit or the surprising thing, not a vague tease that asks for patience you haven't earned yet.
If the clip has a strong line, make it the hook
When you repurpose long videos, the best hook is often already in the footage — a punchy sentence, a hot take, a number, a confession. Scrub the clip for the single line that makes someone go "wait, what?" and put it at the very front. FastClip surfaces strong moments for you, so you're starting from the good parts instead of the intro.
Match the caption to the spoken hook
On mute, your on-screen text is the hook. Make sure the opening caption says the same thing your voice is saying — not a generic title. A caption that states the payoff in a few words doubles the hook's reach, since plenty of people decide whether to stay before they ever turn the sound on.
FAQ
What makes a good hook for a Short?
A good hook gives the viewer a clear, fast reason to keep watching in the first 1-2 seconds. It states a specific promise, claim, question, or tension up front — not a warm-up like "hey guys, today I'm going to…" The strongest hooks lead with the most interesting line of the clip and back it up immediately, so there's no lag between the promise and the payoff.
How long should a hook be?
Think in terms of the first 1-2 seconds, which is usually one short line or one striking visual moment. If your hook needs a long set-up to make sense, it's too slow for short-form. Get to the interesting part immediately, then let the rest of the clip deliver on it. The goal is for someone to know within a breath whether this video is for them.
What are the most common hook mistakes?
The big ones are starting with a slow intro or greeting, being vague instead of specific, over-promising something the clip doesn't deliver, and ignoring the visual and the on-screen caption on a muted feed. Another is reusing the exact same opening on every video — different clips need different hook types, so the opening should match what that clip can actually pay off.
How can I test different hooks quickly?
Don't bet everything on one opening. Paste your long video into FastClip and it cuts up to 10 vertical Shorts in about a minute, so you can try several openings from the same source. In the browser editor you can re-trim the first line and edit the opening caption per clip, then export in 1080p and post. Free to start with 1 video and 5 downloads; Pro is $100/mo with a 14-day guarantee.
Keep reading
Your next clip already has a hook in it
Paste a long video and FastClip cuts up to 10 vertical Shorts in about a minute, surfacing the strongest moments so you start from the good lines. Test a few openings, trim the dead air, add animated captions, and export in 1080p — all in your browser. Start free, no credit card.