Omnisend Agent helps you generate and refine subject lines and preheaders in seconds. Use AI-generated suggestions to save time, boost open rates, and improve engagement, without starting from scratch.
This guide explains how to use Omnisend Agent to optimize subject lines and preheaders.
💬 New to Omnisend Agent? Read the full overview: Omnisend Agent: Get Started.
Before You Begin
You must have a store connected to Omnisend.
For best results, set up Brand Assets first – Omnisend Agent suggestions will reflect your brand voice.
💡 Multi-language tip: If you work in multiple languages, first translate content using Omnisend Agent, then use prompts in the target language.
Generate Subject Line Generation with Omnisend Agent
Coming up with engaging subject lines and preheaders can be challenging. Omnisend Agent helps you create optimized subject lines with suggestions based on your campaign context.
💬 Why subject lines matter: Read Email Subject Line: Best Practices.
Step 1. Open Email Settings in an Email Campaign or Automation Workflow, then click the AI icon next to the subject line.
Step 2. Enter context about your campaign (e.g., "Black Friday sale, 30% off"). Omnisend Agent will suggest three subject line variations.
Step 3. Refine suggestions using default prompts (change tone, translate, shorten, rephrase, simplify) or enter custom prompts.
Step 4. Click your preferred subject line to insert it into the subject line field.
💡 Tip: You can also refine existing subject lines by clicking the AI icon.
Generate Preheaders with Omnisend Agent
Omnisend Agent also helps you generate preheaders. If you've already entered a subject line, it can suggest matching preheader text without requiring additional input.
You can also use Omnisend agent to paraphrase and enhance an already generated preheader.
Tips for Generating Subject Lines
When generating subject lines with Omnisend Agent, follow this structured approach for best results:
Special Offer Promotion: Highlight special offers like free shipping, discounts, or site-wide sales. Use keywords to indicate offer details.
Products/Collection/Occasion Promotion: Promote specific products, collections, or occasions. Clearly state relevant details to attract your audience (e.g., Valentine's Day).
Time Limit/Urgency Promotion: Add time limits or urgency keywords to encourage quick action. Use phrases like "24-hour sale," "one week only," or "buy now."
Add Instructions about Mood and Character Count: Guide Omnisend Agent on desired tone, mood, character count, and other specific requirements.
Tip 💡 You can write full sentences or use keywords.
Examples of Input Prompts and Results
Here are examples to help you understand how to use Omnisend Agent for subject lines effectively:
Adding Humor
Input:
Free shipping, back to school, backpacks. The tone should be funny or witty.
Result:
Back to School + Free Shipping = Best Backpack Deal Ever!
Where There's a Backpack, There's a Way - With Free Shipping
Adding Emojis
Input:
25% discount sitewide, all products, 24 hours only. Add relevant emojis. Write at least 40 characters but at most 50 characters.
Result:
25% 🤑 Everything Must Go! 24 Hours Only!
24 hrs Only! 🤑 25% OFF Sitewide!
Creating Time Limit/Urgency Promotion
Input:
Free shipping, back-to-school stationery, buy now. Add relevant emojis. Write at least 40 characters.
Result:
📓 Back to School Supplies + Free Shipping 📦 Buy Now!
📦 Free Shipping on Back to School Stationery 💼 Buy Now!
Setting a Serious Tone
Input:
Save the whales, donate to Whale Saving Charity. This is not a promotional campaign. The tone needs to be serious.
Result:
Your Help is Needed: Donate to a Whale Saving Charity
Be a Hero: Donate Today to Save the Whales
Other Languages
Omnisend Agent can also generate subject lines in other languages. Here's an example in Italian:
Input (Italian):
25% di sconto, ciotole in ceramica, solo oggi
Result:
25% di sconto su ciotole in ceramica: solo oggi!
Risparmia fino al 25% su ciotole in ceramica: solo oggi!
Omnisend Agent helps you craft engaging subject lines for your email campaigns in a few clicks. Follow the recommended structure and provide clear input prompts.
Tailor the AI's tone and style to match your brand and always edit generated subject lines to align with your email content and brand voice.
FAQ
Can I use AI-generated subject lines and preheaders in Automation Workflows?
Yes. Omnisend Agent can help you generate subject lines and preheaders in both Email Campaigns and Automation.
Does Omnisend Agent learn my brand voice?
Yes. If you've set up Brand Assets in your store settings, Omnisend Agent suggestions will reflect your brand's tone and style. It analyzes your website and brand information to generate content that matches your voice.
Is AI content generation available on all plans?
Yes. You can use Omnisend Agent to generate subject lines and preheaders on all Omnisend plans, provided your store is connected.
Can I use Omnisend Agent to generate content in languages other than English?
Yes. Omnisend Agent supports multiple languages. First, use AI to translate your subject line or preheader into the target language. Once translated, you can continue using prompts in that language for further refinements.
Looking for help? Contact our award-winning Support Team right in the app or email [email protected].