11 free tools
Free SEO and SaaS tools
Small utilities for listing, launching, and reading your own numbers. Everything runs in your browser — no signup, no export gate.
SEO & technical
Get the markup, crawl rules, and search preview right before you launch.
- SaaS bundleSchema markup generatorJSON-LD for SoftwareApplication, Organization, FAQ, Article and more.Open
- AI crawlersrobots.txt generatorCrawl rules, a live rule tester, and per-bot AI crawler control.Open
- Pixel-measuredSERP snippet previewPixel-accurate title and description truncation, desktop and mobile.Open
- Meta tag generatorTitle, description, and a live Google preview.Open
- Domain rating checkerCheck any site’s DR, SSL, stack, and speed.Open
- URL slug generatorTurn a title into a clean hyphenated slug.Open
SaaS metrics
The numbers investors and your own roadmap actually turn on.
- MRR movementMRR & ARR calculatorPlan mix to MRR, plus new, expansion, contraction and churned movement.Open
- CAC payback calculatorMonths to recover CAC at your gross margin, with LTV:CAC banding.Open
- Cohort heatmapChurn & retention calculatorCustomer vs revenue churn, NRR, GRR, and a cohort retention heatmap.Open
- SaaS metrics calculatorLTV, CAC, churn, and payback from four numbers.Open
Campaigns
Small utilities for the launch itself.
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