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Free AI ad copy generator.

Write ad copy and ad headlines for Meta, Google, and TikTok, inside each platform's character limits. In Blu, the Brand Designer builds the same variants off your product catalog, with Brand Kit rules as the guardrails.

How to use the AI ad copy generator

It takes three steps and every output renders on this page so you can copy or export it right away.

Describe the product and offer

Write what you sell, the offer, and who it's for, then pick where the ad runs. Add a creative or screenshot if you have one.

Generate the ad variants

The AI ad copy generator writes 4 to 8 variants, each with a headline, primary text, and CTA, sized to each platform's limits.

Open it inside Intempt

This page writes the variants once. In Blu, the Performance Marketer runs them as a standing play: the audience syncs to the ad platform, conversions are recorded first-party, and ROAS is graded against what customers actually paid.

Use in Claude

Blu Agent

Who it's for

  • Performance marketers launching campaigns across multiple platforms at once
  • Teams shipping ad sets for several products or campaigns in the same sprint

What's in the download

  • SKILL.md - The real per-platform character limits, format list, and 5 output groups (headlines, primary text, CTAs, hooks, A/B variations) from the browser tool, plus instructions for generating ad sets for multiple products at once.

How to install it

claude.ai or Claude Desktop
Upload as a zip in Capabilities
Paid plan
  1. Open Settings, then Capabilities
  2. Turn on code execution if it isn't already on
  3. Upload the .zip you downloaded
Requires a Pro, Max, Team, or Enterprise plan. Not available on the Free plan.
Claude Code
Drop the folder, it auto-loads
Any plan
  1. Unzip the download
  2. Drop the folder into ~/.claude/skills/ (or .claude/skills/ in a project)
  3. Claude Code finds it automatically
$ ls ~/.claude/skills/
your-new-skill/

What you need

  • Claude Desktop or claude.ai (Pro, Max, Team, or Enterprise for claude.ai upload)
  • Claude Code: no plan restriction

Try it with

  • “Use the ad-copy-generator skill to write Meta and Google ad copy for this product: ...”
  • “Read this list of 6 products and generate a full ad set for each on Facebook and TikTok”

Prefer an instant answer? Run it now above.

What you get from the AI ad copy generator

The real output, rendered on this page so you can copy or export it.

Better briefs make better ad headlines

  • Put the product, the offer, and the audience in one box
  • Upload a creative and the tool can analyze it or pull out selling points
  • Urgency and proof angles only use deadlines and numbers you gave it
A campaign brief card listing a running shoe product, its audience, the angle, and an attached product photo.

Google Ads copy written to each platform's limit

  • Google headlines stay under 30 characters and descriptions under 90
  • Facebook and Instagram get a 40-character headline and 125 characters of primary text
  • Each variant uses a different angle, like pain, value, proof, or curiosity
A platform list set to direct response tone, showing the character rule for Meta, Google, LinkedIn, and TikTok.

See it work on your own output.

Start free

Questions about theAI ad copy generator.

Yes. Sign up for the free Intempt plan, then generate ads on this page and copy or download the output free 3 times a day, and up to 10 times a day across all the tools. Syncing audiences, recording first-party conversions, and grading ROAS sit inside the Intempt free plan: a free plan, no trial timer.

Teams love it

They stopped stitching tools andhired one system.

StockInvest

Acquisition and retention are one connected motion. Personalizing the path before signup only pays off when the same system carries the user through onboarding afterward.

Anonymous traffic was not turning into registered users, and acquisition and retention were run as two separate problems. We ran Experiences on the anonymous visitor flow to put the right content and CTAs in front of each visitor, then handed new signups to automated Journeys for onboarding and deeper engagement.

455,396

users instrumented

Read the full research
FieldsUSA

Judge experiments on revenue per visitor instead of conversion rate. A variant can win on conversions and still lose on revenue, and repeat buying only shows up when the whole journey is in one view.

High-intent shoppers browsed a large, specialized outdoor catalog, and browsing, product interest and purchase history sat in different places. We unified them into one customer view, then ran real-time personalization, intent-based segmentation and timely follow-ups on top of it, judging experiments on revenue per visitor.

Read the full research
Hoperfy

Build the pipeline on observed signals. When follow-ups trigger on intent, the team spends its time on the users who are genuinely engaging.

Static lead lists and timeline-based follow-ups were hiding who was actually engaging. We ran a signal-led outbound pipeline where follow-ups fire on real behavior: outbound replies, onboarding progress and product usage.

Read the full research
Intempt Design

Get Intempt Design, free

Brief once, get every asset ready to ship. Sign up, onboard your brand to Blu, and it runs itself. Free, no credit card.

Start for free