Hook Lab

The first line decides whether anyone reads the rest. Hook Lab is a library of 1,500+ proven hooks in 49 styles, filled in with your details as you type, plus a builder that turns the hook you pick into a full opener and then into finished content with evyAI.

It lives at evyus.com/tools/hook-lab, it is free, needs no login, and runs in your browser. Nothing is sent anywhere until you click an evyAI button. It replaces the old LinkedIn Headline Generator.

Who it’s for

• Anyone who stares at a blank first line, or writes the same kind of opener every time.
• Anyone who has a hook and wants it turned into a LinkedIn post, an X thread, a Reel script, an article or email subject lines.
• Anyone who wants to get better at hooks with a little practice each day.

How it works

flowchart LR
  A[Hook library<br/>or Find my hook] -->|Build| B[Opener:<br/>hook, rehook, promise]
  B --> C[Write it in evyAI]
  B -->|Start a post with it| D[Post Editor]
  B -->|Schedule it| E[Content Calendar]
  C --> F[Carousel Maker]

1. Fill in your details once

Your details (and More details) hold things like your audience, your topic and a result you got. Every hook in the library fills in with them. Any blank still showing can be clicked and filled right there, with Fill everywhere to use the same answer in every hook.

2. Find a hook

• Hook library: browse, filter by type, style and goal (Teach, Tell a story, Start a debate, Get comments, Sell, Announce), and sort.
• Spin for a random hook, lock the type or style you like with Lock type and Lock style, or spin several at once. Try something new spins the type you have used least.
• The styles tab explains all 49 styles, grouped into 7 types, with when to use each.
• Find my hook: paste your draft (or Use my Post Editor draft) and press Suggest hook styles to see the styles that fit what you wrote.
• Steal like an artist: paste a hook that stopped your scroll and Make it mine in evyAI explains why it works, turns it into a template and writes versions about your topic. Add to my templates keeps it in your library.
• Hook Tournament: evyAI writes a batch of hooks across every type, scores them and picks the winners. Paste the results back and Show my winners.

Each hook card has Copy, Save, Test, Build, a button for evyAI to write more like it, and Used it. Mark the hooks you use, and Hook Lab nudges you when your feed is getting repetitive.

3. Build the opener

Press Build on any hook to open Build content. Your opener is built line by line: Line 1: the hook, Line 2: the rehook (keeps them reading) and Line 3: the promise (what they get). Each line has a dice button for a different one and a list to pick from.

From there: Copy opener, Start a post with it (opens the Post Editor with the opener loaded), Schedule it (sends it to the Content Calendar), Save, or ask evyAI for more openers.

4. Turn it into content

Under Turn it into, pick one of 13 formats: LinkedIn post, article or blog, X post, X thread, Facebook post, Instagram caption, Reel / TikTok / Short, YouTube video, carousel, email subject lines, newsletter intro, comment starter, or a whole content pack. Add what it is about, pick a Call to action, optionally Blend in a second style, and press Write it in evyAI. The evyAI Agent opens with the prompt written. Copy prompt works in any other AI.

5. Practice in the Hook Gym

Hook Gym gives you one style and your topic each day. Write a hook, Log my rep to keep your streak, or Coach me in evyAI for feedback.

What comes out

• Hooks and openers to copy, and finished drafts written by evyAI.
• Profile headline: headline formulas for your LinkedIn headline, with Fill from my Networking Templates profile (from Networking Templates) and an evyAI button that writes headline options for you.
• Test a hook: paste a Post hook or Profile headline to check length, cliches and em dashes, then ask evyAI for alternatives or Make it stronger in evyAI.
• Saved: every hook and headline you saved, with Copy all and Download CSV.

Where it fits

Hook Lab is the “how to open” step of the content loop on the evyAI Tools overview. What to say comes first, from Problem Discovery, Question Discovery or Trend Finder. From Hook Lab:

• Start a post with it sends the opener to the Post Editor.
• Choosing the carousel format has evyAI write slides; paste its answer into “Paste evyAI’s answer here” in the Carousel Maker.
• Schedule it puts the opener on a day, or in the backlog, of the Content Calendar, which also shows your saved hooks in its Pull from your tools panel.

The loop comes back here: the My Posts Analyzer has Save the first line to Hook Lab, which adds your own best-performing openers to your Saved list.

Limits

• Saved hooks, templates and your Gym streak live in this browser on this computer.
• Hook Lab writes openers itself; full posts, scripts and articles are written by evyAI, which needs an evyAI account.
• Questions or ideas go to Request a tool or Report a problem at evyus.com/tools/whats-new.