How to Build a Hook Bank for Ads (A Reusable Swipe File of Openers)
To build a hook bank for ads, collect the language your customers use from reviews, support tickets and calls, add hooks from competitor ads, sort every hook by the angle it takes, store them in one sheet with a performance tag, and update it after each test. Infinall AI helps with competitor ad research and hook drafts for your review; you decide which hooks are accurate and which to run.
A hook is the first line of copy or first few seconds of a video: the part that decides whether anyone keeps reading or watching. Teams that write hooks from scratch for every campaign tend to repeat their own habits and run out of ideas. A hook bank is a simple, shared library of openers organised by angle and tagged with what happened when you used them, so the next campaign starts from evidence instead of a blank page. This guide covers how to build one in a spreadsheet or database, using your own data first. Infinall AI can speed up the research and drafting, but it does not know which hook will perform for your audience until you test.
How to Build a Hook Bank for Ads (A Reusable Swipe File of Openers)
Create the bank with fields that make hooks reusable
Set up a spreadsheet or Notion database with these columns: hook text, format (text, video opener, carousel first slide), angle, audience, product feature or offer, source (customer quote, competitor, brainstorm), platform used, result tag (untested, tested-won, tested-lost, inconclusive) and notes. The angle and result columns are what turn a list into a bank, because you can filter for tested winners by angle.
Mine customer language first
Pull phrases from the places customers describe the problem unprompted: reviews of your product and competitors, support tickets, sales and onboarding call notes, community threads, survey answers. Copy the exact wording, not a paraphrase. A line like "I was copying numbers between three tabs every Monday" is usually a stronger hook than a polished feature statement. Record the source so you can check the quote is representative, and remove personal details before reusing any quote.
Add hooks from competitor and adjacent ads
Look at how competitors and adjacent products open their ads. Public ad libraries such as Meta's Ad Library show ads currently running; Infinall AI's Ad Spy lets you browse competitor ads inside the product. Log the opener, the angle and how long the ad has been running as a rough signal of durability, though longevity alone does not prove performance. Use these as angle inspiration and never copy wording or claims, both for originality and because their claims may not be true of your product.
Sort hooks into angles and fill the gaps
Group every entry under an angle such as pain, outcome, proof, curiosity, objection handling, comparison, or a specific use case. Count how many hooks sit in each group. Empty or thin groups show where you have not tested. Write new hooks to fill them, using different structures: a question, a bold claim you can support, a before-and-after, a number you can verify. Infinall AI can draft hook variations for each angle from your product URL, and they land in an Approval Queue for you to edit and fact-check.
Score hooks before spending money on them
Give each new hook a quick score from one to five on three questions: is it specific to a real customer problem, can it be backed up by the product today, and does it work in the first line without context. Retire anything vague or unsupportable. Platforms also have ad policies on claims, so flag any hook that makes a health, financial or comparative claim for a policy and legal check before use; Infinall does not replace that review.
Test, tag the results and prune on a schedule
Run the best-scoring hooks in structured creative tests and update the result tag and notes with the metric that matters, such as cost per qualified conversion. Review the bank monthly: retire hooks that lost twice, note which angles keep winning for which audience, and flag winners that have faded as creative fatigue sets in. Share the bank with whoever writes copy or briefs video so the learning compounds across campaigns.
Frequently asked questions
How many hooks should a hook bank have?
There is no magic number. A working bank for one product might start with a few dozen entries spread across five or six angles and grow as you test. Coverage across angles matters more than raw count, because a hundred hooks that all take the same angle give you little to test against each other.
Can I reuse hooks across platforms?
Often the angle transfers but the wording needs adjusting. A hook that works as the first three seconds of a short video may be too slow as a text headline, and a LinkedIn opener may be too formal for Reddit or TikTok. Tag each hook with the platform where it was tested and treat results on other platforms as a hypothesis, not a guarantee.
Does Infinall AI build the hook bank for me?
It helps with two parts: browsing competitor ads in Ad Spy and drafting hook and copy variations from your product URL. The drafts land in an Approval Queue for you to edit before anything is exported. It does not know which hooks will perform for your audience, does not place media or manage ad spend, and does not replace your own customer research. The Free plan is $0 with 1,000 credits/month; Pro is $30/month.