Free tools
Free Marketing Tools and Calculators
Seed Light offers free marketing calculators and website checkers. Each tool uses your numbers or a page URL to return a result you can review without signing up.
Growth
Growth
Business Growth Calculator
Answer five questions and see the yearly revenue your website carries, and what would lift it.
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Growth
Marketing ROI Calculator
Enter your marketing spend and the revenue behind it, and see the return and the profit made.
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Growth
Marketing Budget Calculator
Enter last year's sales and the growth you want, and see the monthly spend that target needs.
Open the toolAdvertising
Advertising
ROAS Calculator
Enter ad spend and the revenue behind it, and get your return, cost per sale and contribution.
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Advertising
Break-Even ROAS Calculator
Enter your price and your costs, and get the return your ads have to clear to break even.
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Advertising
Customer Acquisition Cost Calculator
See what one customer costs you to win, and how long it takes to earn that back.
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Advertising
Cost Per Lead Calculator
Enter your spend and the leads it produced, and see your cost per lead against a lead's worth.
Open the toolSales
Website
Website
Website ROI Calculator
Enter a quoted build cost and see how many months of extra gross profit would cover it.
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Website
Conversion Rate Calculator
Two numbers give you your conversion rate. The rest show what a higher rate would be worth.
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Website
Website Health Checker
Check one page for speed, on-page SEO basics, tracking tags and security signals.
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Website
Website Speed Checker
Run a mobile PageSpeed test and see the score, the key metrics and the biggest opportunities.
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Website
Core Web Vitals Checker
See LCP, INP and CLS from Google's real-user data, with each metric explained in plain words.
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Website
Tracking Pixel Checker
Scan a page for common tracking tags such as Analytics, Tag Manager, Meta Pixel and Hotjar.
Open the toolSEO
SEO
SEO ROI Calculator
Pick how fast you expect search work to ramp, and see the payback that ramp gives you.
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SEO
Local SEO Checker
Check a page for the business details, structured data, hours and map links local search uses.
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SEO
AI Visibility Checker
Scan a page for crawl access, server-returned text and the business details a crawler can read.
Open the toolAutomation
Automation
Automation Savings Calculator
Pick one weekly job and see the labour value a year of that time would release.
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Automation
Manual Work Cost Calculator
Enter who does the work and how long fixing errors takes, and see the yearly bill for it.
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Automation
Time Savings Calculator
List the small jobs your team repeats, and see how much of the year they quietly take.
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Automation
Automation Opportunity Finder
Answer seven questions and get a shortlist of repeated jobs worth looking into for automation.
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Want a calculator we have not built
Tell us the question you are trying to answer and we will build the tool for it. Every tool here started as a question a business owner asked us on a call.
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customers?
Tell us what you want to grow or improve. We’ll reply within one working day with honest advice, even if we do not work together.
Prefer email or a call? hello@seed-light.com · +60 16-411 9138
Results so far
Results from real clients100+
Brands worked with
28,441+
Leads generated
$4.1M+
Sales generated for clients
Up to 13x
Return on Meta ad spend
Tallied from client ad accounts and store reports.
Monthly leads