AI Ad Copy
Commercial use OK
380+ models
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Model:
+ GPT-5, Claude, Gemini
Pick a platform (Google Search RSA, Facebook feed, Instagram, TikTok caption, LinkedIn Sponsored, email subject, YouTube pre-roll script) and Free.ai enforces that platform character limits inline. Output tagged per-line with char counts (Headline 1: 22/30) so you see compliance at a glance. 3-10 variants across distinct angles (benefit / pain-point / curiosity / urgency / social-proof) ready to launch as A/B tests.
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Write compelling ad copy with AI for any platform.
How to Use AI Ad Copy
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Use this tool via API
Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.
curl -X POST https://api.free.ai/v1/chat/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"model": "qwen7b", "messages": [{"role": "user", "content": "Write a short story about a lost robot."}]}'AI Ad Copy — FAQ
Google Search ads (headlines + descriptions), Facebook feed + Stories, Instagram feed + Reels captions, TikTok captions, LinkedIn Sponsored Content, email subject lines + preheader, YouTube pre-roll scripts (6s bumper + 15s skippable + 30s). Each platform has platform-specific character limits enforced in the output.
Copy.ai and Jasper charge $49-99/mo and focus heavily on ad copy. Anyword charges $39-299/mo with predicted-performance scoring. Free.ai does the core writing (platform-tuned, char-limit enforced) for free, without predictive scoring. If you want Anyword-style performance prediction, you still need Anyword. If you want 10 ad variants in 10 seconds, Free.ai is faster and free.
Yes — baked into the system prompt AND the output format. Every line is tagged with its count ("Headline 1 (22/30)", "Description 1 (88/90)") so you can see at a glance if it is compliant. Google Search: headlines 30 chars, descriptions 90 chars; LinkedIn intro: 150 chars; TikTok caption: 150 chars; email subject: 50 chars. If the AI drafts over limit, we auto-regenerate that line.
Yes — we output 10-15 headlines + 4 descriptions per RSA, all within Google's limits. Include your USP + brand name + call to action + specific product feature across the set so Google has good pinning options. Add keyword targeting in the product field and the AI weaves it into the headlines.
Baseline yes — the AI avoids banned phrases ("free", "guaranteed", before-and-after body language), personal-attribute targeting language ("people like you"), medical / weight-loss claims, and cryptocurrency buzzwords. Always double-check your specific vertical against Meta's ad policies before launch — AI is not a compliance tool.
Default: 3 headline variants + 2 description variants per platform. You can ask for more in the "extras" field — Anyword-style test sets of 10+ variants per ad group. For Google RSAs, we generate the full 15 headline slots + 4 description slots automatically.
Paste your USP explicitly in the USP field — do not make the AI guess. "Cheaper than competitors" is weak; "40% cheaper than the market leader with a 30-day money-back guarantee" is gold. The AI front-loads the USP in at least one headline per variant.
Yes — each variant has a distinct angle (benefit-led, pain-point-led, curiosity, urgency, social proof) so you can launch them as separate ad sets in Google Ads / Meta Ads and see which angle wins. The platform-specific character limits are consistent across variants so Google / Meta can rotate them evenly.
Yes — select Email Subject as the platform and the AI outputs 10 variants across 5 angles (urgency, curiosity, benefit, FOMO, personalization) plus a 90-char preheader for each. Optimal subject-line length is 40-50 characters for mobile previews — the AI stays under 50.
YouTube has 3 slot types: 6-sec bumper (non-skippable, ~15 words, single strong hook), 15-sec skippable (hook + USP + CTA, ~35 words), 30-sec skippable (hook + problem + solution + CTA, ~75 words). Pick the slot and the AI writes a word-for-word script with pacing cues [HERO SHOT], [LOGO], [URL ON SCREEN].
Free Qwen 3 30B is plenty for most ad copy. For luxury / fashion / premium brand voice, upgrade to Claude Sonnet 4 — noticeably better at sophisticated tone. Anyword-caliber predictive scoring is not built in; human A/B testing remains the gold standard.
Yes — /v1/chat/ with platform-specific system prompts. Useful for ad-agency tools that batch-generate dozens of creatives per client.
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