Blog: The ten most engaging icons for email subject lines

Love emojis and emoticons? Check out these ten that we've seen encourage people to open your emails!

Wherever you look there are emoticons or emoji - and your email inbox is no different. Why? It's proven that emails with emoji in their subject lines are more noticeable and hence increase the chances of an email being opened and acted on.

So we've gone ahead and summarised ten emoticons you should try using in your emails today.

(A tip: you can copy and paste the emoji straight into your email client - or try testing our example subject lines with real people against some other potential variations which you create, by clicking the 'Test it now!' button alongside each example.)

1: 🔥 - the fire emoji

Your deals are red hot - so why not reflect that when writing your email? For example...

🔥 Warning: deals so hot they might burn


2: ⏰ - the clock emoji

Time is of the essence, with marketing emails and lots more. So why not use your subject line to dial up the pressure. For example...

⏰ Time is running out...


3: 😃 - the smiley emoji

A cheerful classic, the smile emoji is proving a positive way to drive engagement in email subject lines. For example...

This will make you 😃


4: 👍 - the thumbs up emoji

Be hearty in your approbation, and lavish in your praise, said Dale Carnegie. Why not bring some positivity into your email subject line? For example...

👍 10 things we really like


5: 👋 - the hand waving emoji

Everyone loves to wave at a friend. So why not bring that into their inbox? It's a powerful way to make your subject line stand out. For example...

👋 Hello again...


6: 🎉 - the party emoji

Bring it. Jazz up your emails with a cheery party vibe. For example...

🎉 Let's celebrate


7: ⭐️ - the star emoji

An elegant, simple way to draw attention to your email, no subject line is complete without a star. For example...

⭐️ Shine bright this season


8: ✅ - the green tick emoji

Green, the color of positivity. And a tick, or check, the international symbol of 'yes.' When they're combined in an email subject line? There's no stopping you! For example...

✅ Your results are ready


9: 🔴 - the red stop emoji

Is it a red button? Or a stop sign? Or neither? Either way, it gives your email some serious stopping power. For example...

🔴 Stop - you need to read this


10: ⚡️ - the lightning emoji

Short-term price reductions? Newly launched products? Herald them both with a high voltage lightning emoji in the email subject. For example...

⚡️ Lightning discounts: today only


11: 🌈 - the rainbow emoji (a bonus 11th emoticon!)

Beautifully cheery, everyone loves a rainbow. Add some shine to your email by including a rainbow in your subject line. For example...

🌈 Your perfect color is inside...



Ready to give it a go? Get Started