Free Startup & SaaS Tools
1,115 interactive calculators, SEO/GEO generators & launch utilities
Free browser-based tools for SaaS founders, indie hackers, and growth engineers. Every tool runs 100% client-side with zero signup wall and includes a clean Markdown twin (.md) for AI agents.
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Calculate MRR, ARR, SaaS valuation multiples, runway, burn rate, churn, LTV:CAC, payback period, and SAFE equity dilution.
Generate llms.txt, ai.txt, mcp.json, robots.txt, and JSON-LD schemas, audit meta tags, and optimize your startup for Google and AI search engines.
Plan high-converting launches on FoundrList, Product Hunt, Hacker News (Show HN), and Reddit, audit launch taglines, and calculate directory ROI.
Grade landing page headlines, generate PAS and AIDA hero copy, audit cold email subject lines, and calculate conversion rate revenue lift.
Estimate LLM token counts, compare AI API costs and gross margins, size RAG chunks and vector databases, and format structured system prompts.
Generate cron expressions, CSP and CORS headers, next.config and vercel.json rules, test regex and webhooks, inspect JWTs, and audit Core Web Vitals.
Generate Markdown Terms of Service, GDPR/CCPA Privacy Policies, SLAs, DPAs, monthly investor updates, pitch deck outlines, and changelogs.
Compare Stripe, Paddle, Lemon Squeezy, and App Store fees, model freemium vs usage-based pricing tiers, and optimize annual discount margins.
Format X/Twitter launch threads, LinkedIn founder stories, Reddit community posts, newsletter sponsorships, and viral waitlist referral loops.
Calculate A/B test statistical significance, Sean Ellis 40% PMF scores, NPS, CSAT, DAU/MAU stickiness, cohort retention, and activation funnels.
Popular & Featured Tools
Calculate your SaaS startup valuation from MRR/ARR, YoY growth rate, net dollar retention (NRR), and gross margin using 2026 private & public SaaS multiples.
Convert Monthly Recurring Revenue (MRR) to Annual Run Rate (ARR) and model 12-month compounding SaaS growth.
Calculate Customer Lifetime Value (LTV), LTV to CAC ratio, and CAC payback period in months from ARPU, gross margin, and churn.
Calculate how many months of cash runway your startup has left and check whether you are Default Alive or Default Dead.
Calculate Stripe payment processing fees, effective take rate, and net payout per transaction or monthly subscription volume.
Generate a clean, spec-compliant /llms.txt file for your website or SaaS so ChatGPT, Claude, Perplexity, and Grok cite your pages.
Create a compliant /ai.txt file declaring AI crawler permissions, restricted routes, and canonical attribution requirements.
Build a production robots.txt that allows Googlebot and AI answer engines (OAI-SearchBot, ClaudeBot, PerplexityBot) while protecting private routes.
Generate validated Schema.org JSON-LD structured data for SaaS products, pricing pages, and FAQs.
Test your startup launch tagline against the 60-character directory limit, clarity benchmarks, and high-CTR value proposition rules.
Format a technical, zero-hype Show HN title and first comment that resonates with Hacker News engineers and founders.
Estimate organic search traffic, Domain Rating (DR) lift, and customer acquisition ROI from submitting your startup to 100+ curated directories.
Estimate monthly token usage, inference API bill, and SaaS gross margin across OpenAI GPT-4o, Claude Sonnet, Gemini, and Grok.
Calculate Z-score statistical confidence, relative conversion rate lift, and annualized revenue impact from landing page A/B experiments.
Score your startup landing page hero headline for clarity, outcome specificity, reading grade, and conversion power.
Calculate your B2B SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your AI SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Model Customer Lifetime Value (LTV), LTV:CAC ratio, and CAC payback months for your B2B SaaS business.
Model Customer Lifetime Value (LTV), LTV:CAC ratio, and CAC payback months for your AI SaaS business.
Calculate cash runway in months, net monthly burn, burn multiple, and Paul Graham 'Default Alive' status for your B2B SaaS startup.
Calculate cash runway in months, net monthly burn, burn multiple, and Paul Graham 'Default Alive' status for your AI SaaS startup.
Forecast 12-month MRR, ARR, expansion revenue, and net new ARR for your B2B SaaS product.
Forecast 12-month MRR, ARR, expansion revenue, and net new ARR for your AI SaaS product.
Quantify how reducing monthly churn by 1–2% compounds ARR and enterprise valuation for your B2B SaaS company.
Quantify how reducing monthly churn by 1–2% compounds ARR and enterprise valuation for your AI SaaS company.
Benchmark your B2B SaaS startup's Rule of 40 efficiency score (YoY ARR growth + EBITDA/FCF margin) and sales efficiency.
Benchmark your AI SaaS startup's Rule of 40 efficiency score (YoY ARR growth + EBITDA/FCF margin) and sales efficiency.
Generate a spec-compliant /llms.txt file for your SaaS Startup so ChatGPT, Claude, Perplexity, and Grok index and cite your product accurately.
Compile your SaaS Startup's core pages, pricing, docs, and API endpoints into a single /llms-full.txt Markdown corpus for LLM ingestion.
Build an ai-txt v1.1.1 policy file (/ai.txt) for your SaaS Startup declaring AI search permissions, restricted paths, and canonical attribution.
Generate a production robots.txt for your SaaS Startup that welcomes AI search bots (OAI-SearchBot, Claude-SearchBot, PerplexityBot) while blocking private routes.
Generate rich Schema.org SoftwareApplication JSON-LD markup for your SaaS Startup to win rich snippets in Google Search and AI Overviews.
Create validated FAQPage structured data for your SaaS Startup pricing and landing pages to capture high-intent answer engine citations.
Serialize your SaaS Startup pricing tiers into Schema.org Service & OfferCatalog JSON-LD so search engines and shopping agents read exact plan prices.
Generate a /.well-known/mcp.json manifest advertising your SaaS Startup's public API endpoints, OAuth server, and Markdown twin catalog to AI agents.
Generate a high-converting FoundrList Launch title, 60-character tagline, and authentic maker comment tailored for AI SaaS products.
Analyze and optimize your B2B SaaS copy using the Landing Page Hero Headline Grader with instant conversion scoring and rewrite suggestions.
Calculate monthly token consumption, API inference spend, and SaaS gross margin when powering a AI Coding Copilot SaaS with Anthropic Claude Sonnet.
Generate and validate content-security-policy (csp) & http security headers builder snippets for Next.js App Router applications right in your browser.
Generate a clean, structured monthly investor update email & metrics template in Markdown tailored for B2B SaaS companies.
Calculate your Micro-SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Developer Tools startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Chrome Extension startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Mobile App Subscription startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Shopify App startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your API-First Startup startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Fintech SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Cybersecurity SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your MarTech & SEO SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Sales Enablement SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your HR Tech & Recruiting SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your EdTech & Cohort Platform startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Digital Health SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your PropTech & Real Estate SaaS startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your LegalTech AI & Workflow startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Creator Economy Tool startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your B2B Newsletter & Media startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Productized Agency startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your Commercial Open Source (COSS) startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
Calculate your No-Code & Workflow Builder startup valuation using ARR multiples, YoY growth rate, net revenue retention (NRR), and Rule of 40 benchmarks.
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