Marketing tools

Campaign calculators, A/B test tools, link builders and copy checkers for marketers.

16 tools

Work out how many visitors each variant needs.

Check whether your A/B test result is statistically significant.

Create Google, Outlook and .ics calendar links for an event.

Find the minimum ROAS and the maximum CPA you can afford.

Add the same UTM parameters to a whole list of URLs.

Generate unique, readable promo codes in bulk.

Check your subject line for length and spam-style wording.

Turn keywords and phrases into ready-to-use hashtags.

Find the most used words and phrases in your text.

Estimate customer lifetime value, LTV:CAC ratio and payback time.

Create a mailto link with subject, body, CC and BCC.

Calculate CTR, CPM, CPC, CPA, conversion rate, ROAS and ROI.

Score how easy your text is to read.

Check title and meta description length for Google results.

Check your text against X, LinkedIn, Instagram and more.

Create a UPI payment link with amount and note.

Every Marketing tool here is free, needs no sign-up and runs in your browser unless noted on the tool page.