AI Subject Lines & Preview Text
AI Subject Line Generator for Email Campaigns
Tell Adflipr what your email is about. AI writes subject lines and matching preview text, sized for the inbox, so more people open your campaign.
Campaigns › Black Friday Sale › Subject & preview
What is this email about?
Black Friday sale, 25% off everything with code BLACKFRIDAY25, ends Sunday. Bold, urgent tone.
Black Friday sale, 25% off everything with code BLACKFRIDAY25, ends Sunday. Bold, urgent tone.
Seasonal · 42 chars
Your Black Friday gift: 25% off everything
Use code BLACKFRIDAY25 before Sunday midnight.
Your Black Friday gift: 25% off everything
Use code BLACKFRIDAY25 before Sunday midnight.
Urgent · 41 chars
Your cart is waiting, 25% off ends Sunday
Bestsellers are going fast this Black Friday.
Your cart is waiting, 25% off ends Sunday
Bestsellers are going fast this Black Friday.
Personal · 40 chars
Emma, your Black Friday discount is here
25% off sitewide with code BLACKFRIDAY25.
Emma, your Black Friday discount is here
25% off sitewide with code BLACKFRIDAY25.
Curious · 41 chars
What 25% off looks like this Black Friday
Open to see our most loved picks.
What 25% off looks like this Black Friday
Open to see our most loved picks.
Fits on mobile
No cut-off subject line
Ready to test
Pick 2 options for an A/B test
1
Open your email campaign
Click the AI button next to the subject line field.
2
Describe the email
Offer, audience and tone in one line, or let AI read your email.
3
Pick, test and send
Choose a subject and preview text pair, edit it, or A/B test two.
The problem
Why good emails still do not get opened
In the inbox, people only see your sender name, subject line and preview text. If those three lines do not give a reason to click, the email inside never gets a chance.
INBOX
Your Brand
Our biggest Black Friday sale of the year is finally…
01
Cut off on mobile
Long subject lines get trimmed on phones, so the offer never shows.
Your Brand
Black Friday Sale is live
View this email in your browser
02
Preview text left empty
Without it, the inbox shows the first line of your email, often a browser link.
Brand A · Big Sale Now On
Brand B · Huge Sale Now On
Your Brand · Sale Now On
Brand C · Mega Sale On Now
03
Sounds like everyone else
In sale season, every brand sends “Sale now on”. Yours blends in.
SPAM FOLDER
FREE!!! 100% GUARANTEED DEAL, ACT NOW!!!
04
Spammy wording
All caps, too many exclamation marks and pushy words can hurt where your email lands.
What AI does for you
Better subject lines and preview text in a few seconds
Subject lines
Get 5 subject line ideas from one short description
Describe your email in a line, or let AI read the campaign you already built. You get several subject lines, each written in a different style, so you can pick the one that fits.
- Several subject line options in one click
- Different styles: benefit, urgency, curiosity, personal
- Regenerate until one feels right
- Edit any suggestion before you use it
Your Black Friday gift: 25% off everything
Benefit
25% off ends Sunday midnight
Urgency
What 25% off looks like this Black Friday
Curiosity
Emma, your Black Friday discount is here
Personal
Our biggest sale of the year starts now
Announcement
Preview text
Preview text that finishes the thought
Every subject line comes with matching preview text. It adds new information, like the code or the deadline, instead of repeating the subject.
- A matching preview text for every subject line
- Adds the code, deadline or product, never repeats
- Replaces “View this email in your browser”
- Written to read well right after the subject
BEFORE
YB
Your Brand
Black Friday Sale
View this email in your browser | Unsubscribe
AFTER, WITH ADFLIPR AI
YB
Your Brand
Your Black Friday gift: 25% off everything
Use code BLACKFRIDAY25 before Sunday midnight. Bestsellers are going fast.
Inbox ready
Sized to show in full on phones and desktop
Each suggestion shows its character count. AI keeps the important words at the start, so the offer is still visible if a phone trims the end.
- Character count on every subject and preview
- Key words placed at the start
- Avoids all caps and spammy phrases
- Easy to read on small screens
Inbox
Your Brand
Your Black Friday gift: 25% off everything
Use code BLACKFRIDAY25 before Sunday midnight.
Another Store
Do not miss our amazing biggest sale of the season…
View in browser
SUBJECT
42 chars
PREVIEW TEXT
47 chars
Offer is in the first 6 words
Tone & personalisation
Match your brand voice and add the customer’s name
Pick a tone, ask for a version with first name, or switch the language. Then choose two favourites to test against each other.
- Choose a tone: bold, premium, playful, urgent
- Versions with the customer’s first name
- Write in Spanish or other languages
- Pick two options for an A/B test
Seasonal
Premium
Playful
Urgent
Spanish
A
Emma, your Black Friday gift is inside
25% off everything until Sunday.
B
25% off everything ends Sunday
Code BLACKFRIDAY25. Bestsellers going fast.
Split your list and send the winner to everyone else.
Guide
What makes a subject line and preview text work together
Think of them as one message split in two. The subject line earns attention. The preview text gives the reason to open now.
Your Brand
Emma
your Black Friday gift: 25% off
Use code BLACKFRIDAY25
before Sunday midnight
.
Bestsellers are going fast.
Sender name
Use your store name so people know who it is from.
Personal touch
First name, used now and then, not in every email.
Main benefit
Put the offer or news in the first few words.
Supporting detail
The preview text adds the code, product or proof.
Real deadline
Honest urgency gives a reason to open now, not later.
Subject line
- Aim for roughly 30 to 50 characters so it shows on phones
- Lead with the benefit or the news
- Avoid all caps and strings of exclamation marks
- Make it match what is inside the email
Preview text
- Aim for roughly 40 to 90 characters
- Add new information, do not repeat the subject
- Include the code, deadline or product name
- Never leave it empty
Examples
Subject line and preview text examples for ecommerce emails
The kind of pairs Adflipr AI writes for common store campaigns.
Black Friday sale
42 chars
YB
Your Brand
Your Black Friday gift: 25% off everything
Use code BLACKFRIDAY25 before Sunday midnight. Bestsellers are going fast.
Abandoned cart
31 chars
YB
Your Brand
You left something in your cart
Your items are saved. Check out today and shipping is on us.
Welcome email
27 chars
YB
Your Brand
Welcome in, here is 10% off
Thanks for joining. Use WELCOME10 on your first order.
Back in stock
34 chars
YB
Your Brand
It is back: Classic White Sneakers
Sizes 6 to 10 are in stock again. Only a few pairs left.
Win-back
17 chars
YB
Your Brand
We miss you, Emma
Here is 15% off to come back. Code COMEBACK15 works for 7 days.
New launch
29 chars
YB
Your Brand
New in: the Summer Linen edit
Light fabrics, relaxed fits. VIPs shop 48 hours early.
Old way vs new way
Stop guessing your subject lines
The old way
- Stare at the subject field for ten minutes
- Reuse “Sale now on” for every campaign
- Forget the preview text completely
- Find out on send that the subject is cut off
- Guess which version will get more opens
VS
With Adflipr AI
- Get several ideas in seconds
- Fresh wording for every campaign
- Matching preview text every time
- Character counts before you send
- Two strong options ready for an A/B test
Frequently Asked Questions
Describe your email or let AI read your campaign. It suggests several subject lines with matching preview text that you can pick, edit or regenerate.
Preview text is the short line shown after the subject in the inbox. It gives readers one more reason to open your email.
Aim for roughly 30 to 50 characters so it shows in full on most phones. Put the most important words first.
Yes. Ask for a personalised version and Adflipr adds the first name field, filled in for each contact when the email is sent.
Yes. Pick two AI suggestions, send each to part of your list, and send the version with more opens to everyone else.
Write subject lines people want to open
Generate subject lines and preview text with AI for every email campaign. Start free on Shopify or WooCommerce.



