How to Write Email Copy That Converts Using Grammarly (Full Details)
Using Grammarly
1. Why Email Copy Quality Matters for Conversions
Email copy is not just about grammar—it directly affects:
- Open rates (subject lines)
- Click-through rates (CTAs)
- Sales conversions
- Unsubscribe rates
Even a small writing mistake can reduce trust instantly.
That’s why tools like Grammarly are important.
2. Set Up Grammarly for Email Writing
Inside Grammarly, install:
Options:
- Browser extension (Gmail, Outlook)
- Desktop app (for full email drafts)
- Grammarly Editor (for long campaigns)
Commentary:
Using Grammarly inside your email platform ensures real-time correction while writing, not after.
3. Start with Clear Email Structure
Before fixing grammar, structure matters most.
High-converting email structure:
1. Subject line (attention)
2. Opening hook (problem or curiosity)
3. Value message (solution)
4. Proof or benefit
5. CTA (call-to-action)
4. Use Grammarly to Improve Clarity (Not Just Grammar)
Inside Grammarly, focus on:
Clarity suggestions:
- Remove unnecessary words
- Simplify long sentences
- Replace complex vocabulary
Example:
Weak:
“We would like to inform you that our new product is now available for purchase.”
Improved:
“Our new product is now available.”
Commentary:
Short, direct sentences increase click-through rates significantly.
5. Improve Tone for Conversion
Grammarly allows tone adjustments:
Best email tones:
- Friendly
- Confident
- Persuasive
- Helpful
Example:
Too formal:
“We kindly request your participation in our offer.”
Better:
“Here’s your exclusive offer—don’t miss it.”
6. Use Grammarly for Engagement Optimization
Grammarly highlights:
- Passive voice issues
- Weak sentence structure
- Repetitive phrasing
Commentary:
Active voice increases urgency and improves conversion rates.
Example:
Passive:
“The discount has been applied to your account.”
Active:
“We’ve applied your discount.”
7. Optimize Subject Lines Using Grammarly Insights
Subject lines determine open rates.
Grammarly helps you:
- Remove fluff words
- Improve clarity
- Reduce over-promising language
Example:
Weak:
“Amazing unbelievable deal just for you!!!”
Strong:
“Your 20% discount is ready”
8. Test Readability Score
Grammarly provides readability scoring.
Ideal email readability:
- Grade 6–8 level (simple and fast to read)
Commentary:
Lower readability score = higher engagement.
People don’t read emails—they scan them.
9. Common Mistakes Grammarly Helps Fix
Long sentences
Passive voice
Overuse of adjectives
Repetitive wording
Unclear CTAs
Too formal tone
10. Combine Grammarly with Conversion Strategy
Writing alone is not enough.
High-performance workflow:
- Write email draft
- Optimize with Grammarly
- Simplify message
- Add CTA
- A/B test subject line
Final Insight
Using Grammarly for email marketing is not just about correcting mistakes—it’s about improving persuasion quality at scale.
Conversion Formula
High-Converting Email = Clarity + Simplicity + Emotional Relevance + Strong CTA
Key Takeaway
The best email copy is:
- short
- clear
- emotionally relevant
- action-driven
Grammarly helps remove everything that weakens that message.
How to Write Email Copy That Converts Using Grammarly
Case Studies & Strategic Commentary
Using Grammarly
1. Case Study: E-commerce Brand Improving Email Sales with Copy Cleanup
Scenario
An online skincare store was running regular promotional emails, but performance was weak:
- Low click-through rates (~1.8%)
- High unsubscribe rate after sales emails
- Emails felt “too salesy” and unclear
What they changed using Grammarly
Using Grammarly, the team:
- Simplified long, complex sentences
- Removed passive voice (“your order has been processed” → “we processed your order”)
- Adjusted tone from formal → conversational
- Rewrote CTAs to be clearer and shorter
Before vs After Example
Before:
“We are pleased to inform you that a limited-time promotional discount has been made available for your consideration.”
After:
“Your 20% discount is ready—shop now before it ends.”
Results
- Click-through rate increased by 42%
- Revenue per email increased by 28%
- Unsubscribe rate dropped significantly
Commentary
This case shows that clarity beats sophistication in email marketing. Grammarly’s biggest impact is removing “corporate language” that kills engagement.
2. Case Study: SaaS Company Increasing Trial Conversions
Scenario
A SaaS startup had strong email open rates but weak trial activation rates. Users were opening emails but not clicking or signing up.
What they changed
With Grammarly, they:
- Shortened onboarding emails
- Rewrote CTAs to be action-focused
- Replaced passive explanations with direct instructions
- Improved tone consistency across all emails
Example CTA improvement:
Before:
“You may wish to explore your dashboard to familiarize yourself with the features.”
After:
“Start exploring your dashboard now.”
Results
- Trial activation rate increased by 19%
- Email click-through rate increased by 31%
- Faster onboarding completion
Commentary
This shows that weak, polite language reduces urgency, while Grammarly helps transform messages into action-driven communication.
3. Case Study: Online Educator Improving Course Sales Emails
Scenario
A digital course creator had decent traffic but low course sales from email campaigns.
What they changed
Using Grammarly:
- Reduced long storytelling paragraphs
- Improved readability score (Grade 10 → Grade 6–7)
- Simplified explanations of course benefits
- Strengthened emotional tone in subject lines
Results
- Email engagement increased by 38%
- Course conversion rate doubled
- Lower bounce rate from email clicks
Commentary
This case highlights that readability directly affects conversions. If an email is hard to scan, users ignore it—even if the offer is strong.
4. Case Study: Newsletter Creator Increasing Retention
Scenario
A newsletter publisher had good signups but declining long-term engagement. Readers were unsubscribing after a few weeks.
What they changed
Using Grammarly:
- Made tone more conversational and less formal
- Removed repetitive phrasing across newsletters
- Improved sentence flow and structure
- Reduced “filler content”
Results
- Open rates stabilized (+22%)
- Unsubscribe rate dropped
- Readers stayed subscribed longer
Commentary
This shows that writing style consistency builds trust over time, and Grammarly helps maintain that consistency at scale.
Key Lessons from Grammarly Email Copy Case Studies
1. Clarity beats complexity
Simple emails outperform polished but complex writing.
2. Tone directly impacts conversions
Friendly, direct language increases engagement.
3. Passive voice reduces urgency
Active voice improves action-taking behavior.
4. Readability is critical
Lower reading difficulty = higher conversion rates.
5. Small wording changes create big results
Even CTA edits can significantly increase revenue.
Final Strategic Insight
Using Grammarly effectively is not about fixing grammar—it is about optimizing persuasion at the sentence level.
The transformation it creates:
From:
“formal, unclear, passive emails”
To:
“simple, direct, conversion-focused messages”
Conversion Formula
High-Converting Email Copy = Clarity + Simplicity + Active Voice + Strong CTA
Key Takeaway
The biggest improvement in email marketing often doesn’t come from design or tools—it comes from cleaner, clearer writing that removes friction from action.