Each tool lives inside a full guide, so you get the calculator or builder plus the context to use it well. Pick one to jump straight in.
Type a subject line and see exactly how it lands in a phone and desktop inbox — with instant length and spam warnings.
Open toolTurn delivered, opens and clicks into your open rate, CTR and click-to-open — plotted against the industry average.
Open toolSee how much revenue a simple abandoned-cart email sequence could recover for your store every month and year.
Open toolProject how big your email list could be in 12 months from your traffic, signup rate and churn — with a growth chart.
Open toolPick a style, fill in your details and get a ready-to-send welcome email you can copy in seconds.
Open toolBuild a cold email from proven templates with a live spam-and-deliverability check so you stay out of the junk folder.
Open toolPreview 10 proven newsletter layouts and pick the structure that fits your goal before you write a word.
Open toolThese tools help you plan and write — BrandBits helps you send. When you are ready, capture contacts, build your list and send newsletters and automated sequences from one place, then watch the open and click rates these calculators are all about.
Yes. Every tool on this page is free to use, with no signup required — the calculators and builders run right in your browser.
No. You can use all the calculators and builders without an account. When you are ready to actually send emails, you can create a free BrandBits account.
They help you plan and write better email: test subject lines, calculate open and click rates, project list growth and recovered cart revenue, and build welcome, cold and newsletter emails.
Your subscription includes a full toolkit. Here are a few:
Turn PDFs into interactive, shareable flipbooks.
Create clean, engaging slide presentations online.
Watch session recordings to improve user experience.
See traffic and conversions in one simple view.
Answer visitor questions automatically, 24/7, in your tone.
Find bot clicks in ads and claim refunds with evidence.
Send newsletters and simple automations to your leads.
Publish articles with built‑in testing and engagement tracking.