Free tools
Free tools for growing a SaaS
Small calculators for campaign links, conversion rate, revenue per visitor, LTV and MRR growth. They run in your browser: nothing you type is sent anywhere.
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UTM builder
Tag campaign links with source, medium and campaign, with presets for X, Reddit, newsletters and Product Hunt.
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Conversion rate calculator
Turn visitors and conversions into a conversion rate, and see how many more conversions a target rate needs.
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Revenue per visitor calculator
Find revenue per visitor overall and by source, with a table that marks the source earning most per visit.
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LTV calculator
Work out customer lifetime value from ARPU, margin and churn, plus LTV:CAC and payback when you add CAC.
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MRR growth calculator
Project MRR month by month from a growth rate, and see how long a target MRR takes.