AI Email Subject Line Generator

Name: AI Email Subject Line Generator
Brand: KissMySkills
SKU: ai-email-subject-line-generator
Price: 2.99 USD
Availability: InStock
Rating: 4.87 (15 reviews)

Email Subject Line Generator Claude skill by KissMySkills, near-black deep green serpentine stone cover

$2.99

AI Email Subject Line Generator

4.9 · 15 reviews

$2.99 this skill vs $75+/hr hiring an email copywriter

Complete skill package instant downloadai-email-subject-line-generator.txt

Works with

Secure checkout by Shopify

Ask it something hard.

📎 ai-email-subject-line-generator.md LOADED ✓

Write subject lines for a Black Friday email offering 30 percent off a project management app to free users.

CLAUDE · WITH THIS SKILL You get: twenty subject lines -> preview text and character counts -> spam check -> A and B test pick

⚡ Instant download ∞ Keep forever ✎ Written by us

Add it once. Your AI works like a specialist.

Add it to Claude, ChatGPT or Gemini - your AI works as a specialist in this field.

Instant download · 30-day money-back guarantee. Pay once, keep forever - no subscription. Written and tested by us, never scraped from GitHub. Refund policy

Questions before you buy?

Write to us and a person answers - usually the same day. Not a bot, not a ticket queue.

hello@kissmyskills.com

Trademarks of their respective owners. KissMySkills is not affiliated with or endorsed by them.

You don't read it. Your AI does.

Add the skill file to Claude, ChatGPT or Gemini once. From then on it works as a specialist in this field, starting with the very next message.

One purchase. No subscription. The file is yours to keep and re-use forever.

// reviews

What buyers say.

★★★★★ Sofie I.

business development manager. the structure forces a better argument than i'd build from scratch.

★★★★☆ Lars L.

growth manager at a fintech. we move fast and need quality documentation to match.

Read all 15 reviews

// what's inside

What's inside this skill

Twenty subject lines across five proven patterns per brief
Matching preview text and character counts for every line
Spam trigger check before you load them into your sender
An A and B pick with the reasoning behind the choice

For email marketers, newsletter writers and founders

An email copywriter charges $75+/hr — subject lines decide open rates, this writes 20 in seconds, every send, yours forever.

// what's inside

What you're actually buying

Marketing & Ads Prompts

Generate 20 high-open-rate subject lines across five proven patterns - with preview text, character counts, and an A/B test recommendation.

This AI email subject line generator prompt produces 20 subject lines across five distinct open-rate patterns - curiosity, specificity, personal/direct, value promise, and contrarian - for any email type, from cold outreach to welcome sequences and re-engagement campaigns. Paste into Claude, ChatGPT, or any AI chat, describe the email and recipient, and get back subject lines with matched preview text, character counts, and a safest-bet vs. high-risk A/B test recommendation.

Subject lines are where most emails die. This AI subject line generator replaces the guess-and-send approach - every output is under 50 characters for mobile inboxes, no emoji unless the brand calls for it, no fake Re:/Fwd: prefixes, and no bait-and-switch copy that misrepresents the email content. The specific, quiet subject line almost always outperforms the loud, generic one. Works with Claude, ChatGPT, or any AI chat model.

What you get

One production-ready AI email subject line generator prompt
20 subject lines per run - 4 per pattern, genuinely different from each other
Matched preview text for every subject line - written as one unit, not sequentially
Character counts and ranked top 5 for the specific audience
Safest-bet pick plus high-risk/high-reward line for A/B testing

Built for

Email Marketers CRM Managers Growth Marketers Founders Cold Outreach Teams

ai-email-subject-line-generator-prompt.txt · Works with Claude, ChatGPT & more · Instant use

// how to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
02
Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot - whichever one you already use.
03
Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.

No technical knowledge required. No subscription. Pay once, keep forever.

// compatible with

Works with every major AI chat.

Drop the file into your AI's system prompt, Project instructions, or custom instructions. No setup. No code. No vendor lock-in.

5 stars: 13 (87%)
4 stars: 2 (13%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

results on the first try

business development manager. the structure forces a better argument than i'd build from scratch.

works exactly as described

growth manager at a fintech. we move fast and need quality documentation to match.

handles briefing better than my junior did

as a solo founder doing my own marketing this is genuinely useful. AI Email Subject Line Generator asks the right questions before producing anything. saves me probably 2 hours a week.

got roi in the first week

risk and compliance officer. the framework is solid and auditable. that matters more than most people think.

saves me the back-and-forth

brand manager. this made it easier to scale without losing voice consistency across channels.

much faster than my old process

project manager at a mid-size agency. quality holds up even under pressure. this is one of the things that keeps output consistent when we're stretched.

saves me hours on campaign briefs every week

been using AI Email Subject Line Generator for about three weeks. the output is structured, intent-aware, and actually usable without heavy editing. not going back to doing this manually.

cleaned up a messy process

sales enablement manager. the content we produce for the team improved noticeably.

the output held up under scrutiny

finance analyst. saves real time. the output follows the structure i need without rebuilding it from scratch every time.

consistent tone across all outputs

digital marketer with a small team budget. scales what a lean team can actually produce.

better than i expected

global account manager. working across markets means lots of documentation at volume. quality held up.

using it daily at this point

technical writer. the structure is consistent enough that editing is fast and predictable.

actually useful, not just hype

hr business partner at a 200-person organisation. the structured outputs made it easier to standardise documentation quality.

good investment for a busy team

commercial director. revenue-side documentation — proposals, deal summaries, forecast reports — all improved.

practical, not theoretical

team lead managing 8 direct reports. performance documentation is now much faster to produce.

// faq

Questions about this product

What does the AI Email Subject Line Generator produce?+

The AI Email Subject Line Generator produces 20 high-open-rate subject lines across five proven patterns - with preview text options, character counts, and an A/B testing recommendation for your specific audience. Paste it into Claude, ChatGPT, or any AI chat, fill in the bracketed fields, and get structured professional output in minutes.

How do I use this prompt?+

Download the .txt file, copy the prompt, fill in the bracketed placeholders with your specific details, paste into Claude or any AI chat, and send. No technical setup required.

Which AI tools work with this prompt?+

Works with Claude, ChatGPT, Gemini, and any AI chat accepting text input. Claude is recommended for the best output quality and instruction-following.

What is included in this download?+

One production-ready prompt as a .txt file, delivered instantly after purchase. Includes the full instruction structure and customisation placeholders. No subscription - yours permanently.

Can I customise this for my specific needs?+

Yes. Fill in the bracketed placeholders with your specific context - company name, industry, audience, and any additional requirements. The core structure is designed to be extended without breaking output quality.