The tools of the trade, for free.
One tool for each role: calculations, checks and previews that are really used at work. Each one also explains the theory behind it.
- No sign-up
- Your data stays in your browser
- Always free
All tools
- AnalyticsReady
UTM link builder
Creates trackable links so you know where your visits come from.
Learn the theory: UTM links: what they are and how to use them - SEOReady
Google snippet preview
Shows how your title and description look on Google, and whether they are too long.
Learn the theory: Title tags and meta descriptions: how to write them - Social mediaReady
Engagement rate calculator
Calculates how much an audience interacts with your posts.
Learn the theory: Engagement rate: what it is and how to calculate it - SEA / PPCComing soon
CPC, CPA and ROAS calculator
Tells you what a click and a customer cost, and how much your spend brings back.
Theory: CPC, CTR and ROAS: the basic metrics (article coming soon)Coming soon - InfluencerComing soon
Sponsored post checklist
Yes/no questions to check that a collaboration is clearly disclosed.
Theory: Sponsored posts: the EU rules (article coming soon)Coming soon - CRMComing soon
Retention and customer value calculator
Calculates how many customers stay and what a customer is worth over time.
Theory: Retention and churn, explained simply (article coming soon)Coming soon - BrandComing soon
Colour contrast checker
Checks whether two brand colours are readable together (WCAG rules).
Theory: Brand identity: logo, colours, values (article coming soon)Coming soon - Trade marketingComing soon
Margin and promotion calculator
Shows how much the company keeps after an in-store discount.
Theory: Margins and discounts: the basic maths (article coming soon)Coming soon - PartnershipsComing soon
Affiliate commission calculator
Calculates how much to pay a partner for each sale.
Theory: Affiliate marketing, explained simply (article coming soon)Coming soon - Market researchComing soon
Sample size calculator
Tells you how many answers a survey needs to be reliable.
Theory: How many answers does a survey need? (article coming soon)Coming soon - Product marketingComing soon
Value proposition builder
Guides you with questions to write a product's promise.
Theory: Value proposition: how to write one (article coming soon)Coming soon - PRComing soon
Press release template
A structure to fill in with the parts of a press release.
Theory: How to write a press release (article coming soon)Coming soon
How to use them
- 1Enter your dataYour own, or the sample data from Five Leaf, the practice company.
- 2See the resultIt updates as you type, no button needed.
- 3Understand whyBelow each tool there's an explanation, with an example.
Google snippet preview
Write a title and description and see how they will look on Google. The tool measures the title in pixels and warns you about banned claims.
Try the tool