Free tools for your online store.

Check your emails, texts, discounts and links before they go out, and build a sign-up pop-up.

Free to use.No account needed.

Check a message

Emails, subject lines and texts, before they go out.

Email reviewer

Get fixes for your subject, words and button. Add a screenshot to check the layout, too.

Example review · sample cart email

  1. SubjectBefore: You forgot somethingAfter: Your Daily Cleanser is still in your cartName the cleanser in the inbox title.
  2. ButtonBefore: Shop nowAfter: Back to your cartSay where the button goes.

Email subject line tester

See where Gmail, Apple Mail and Outlook cut off your subject and preview text, and what to fix.

Gmail app on a phone

Solara9:41 AM

Your Daily Cleanser is still here

Take another look at the item you left i (cut off here)

Apple Mail on iPhone

Solara9:41 AM

Your Daily Cleanser is still here

Take another look at the item you left inyour cart. then text from your email

SMS character counter

Count the characters and text parts in a message before you send it.

Sample text: Everyday Edit: We’re holding the Everyday Tote in your cart for 24 more hours. Finish checkout here: example.com/cart. Reply STOP to opt out.

141 characters3 text parts

The highlighted character switches this text to Unicode. With plain punctuation it fits in 1 text part.

Plan offers and sign-ups

A sign-up pop-up, a discount that pays and a tracked link.

Pop-up builder & review

Edit a sample sign-up pop-up, run a short checklist on it, then download your notes.

  • Heading: say what shoppers get.
  • Button: say what happens next.

The builder starts with the heading “Join our list” and a “Submit” button. A clearer version says “Your free skincare guide.” and “Send me the guide”.

Discount break-even calculator

See how many more orders a discount needs to make the same profit, with the math shown.

Example $48 order value − $18 cost = $30 per order

At 10% offYou need 19% more orders to make the same profit.

DiscountProfit per orderMore orders needed
5%$27.608.7%
10%$25.2019%
20%$20.4047%

UTM link builder

Tag a link for an email or text, and see which Google Analytics 4 channel it lands in.

Campaign“Cleanser Restock” becomes cleanser-restock

In Google Analytics 4

Likely channel: Email

utm_medium is “email”.

Watch and play

A sample shopper’s visit, and a game about what to send.

Try one choice on this page

Session replay demo

Watch a sample shopper’s visit to a made-up store, from product page to cart, and jump to each moment.

Recording your own store’s visits is part of myuser.ai — the Free plan records 3 visits a day.

SolaraSimulated visit

  1. 0:00Viewed Daily Cleanser
  2. 0:09Added to cart
  3. 0:12Opened the cart
  4. 0:18Opened shipping information

Inbox Arena

Pick the message, send time and offer in 5 made-up email rounds. See how close you get to the best result.

Round 1 of 5 · Cart reminder

They left the face wash at checkout.

  1. What does the email show?Their saved cartThe whole shop
  2. When does it send?1 hour after they leave24 hours after they leave
  3. Add a discount?No discount10% off

INBOX ARENA

Try a quick round.

One choice from the game’s first round. Both emails show the same thing and send at the same time. Only the offer changes.

IN THE FULL GAME5 made-up rounds, 3 picks in each.

Every round has one best set of choices. See how close you get, with the math shown.

Play all 5 rounds No signup · No emails sent
QUICK ROUNDRound 1: Cart reminder

Which offer makes more money?

1,000 shoppers added the $48 Daily Cleanser, started checkout and left. None has bought yet.

Both emails: Their saved cart. Sent: 24 hours after they leave. Pick the offer:

Money made after item costsMade-up example round

Your pick—Pick an offer above
Best choice?Shown after you pick
Pick an offer to see how it does.

You’ll see the money it makes after item costs, next to the best choice.

Both offers use the same email and send time. Each item costs $18; other costs are left out. No emails are sent.

See the discount math

About these free tools.

Use them with the email app you already have.

Can I use these with Klaviyo or Mailchimp?

Yes. Copy your draft from any app, or use a screenshot. Take the fixes back to your app when you’re done. For a pop-up, download your notes and set it up in your pop-up app.

Will a tool send anything to my shoppers?

No. These tools help you check and make drafts. They do not connect to your store or send messages. You choose what to use.

Does the email review check for spam?

No. It checks the words and button. If you use a screenshot, it checks the layout, too. It does not test links, your sender setup or whether an email will reach the inbox.

Are the game’s sales results real?

No. The game uses made-up stores and saved results. It shows what each deal costs. Test your real emails with your own shoppers to find what works.

Want your cart, welcome and win-back messages written and sent for you?

myuser.ai writes and sends emails and texts based on what each shopper did.

See how myuser.ai works