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Calculate SaaS revenue, costs & profit instantly. MRR, ARR, payment fees, stack costs & break-even analysis for founders. SaaS Calc is a free Chrome Extension built for SaaS founders, indie hackers, and startup builders who want to calculate the real cost and profit of their SaaS product before writing a single line of code. REVENUE CALCULATOR Calculate your Monthly Recurring Revenue (MRR) and Annual Recurring Revenue (ARR) instantly based on your price and number of users. PAYMENT PROCESSOR FEES Compare real transaction fees across Stripe, Paddle, LemonSqueezy, and PayPal. See your net revenue after fees in seconds. SAAS STACK COST ESTIMATOR Toggle your tools on and off including Vercel, Supabase, Firebase, Cloudflare, OpenAI API, Resend, and Clerk Auth to simulate your exact monthly stack cost. PROFIT SUMMARY Get a clear breakdown of total revenue, total costs, monthly profit, and profit margin percentage with a health indicator showing if your SaaS is profitable. BREAK-EVEN CALCULATOR Enter your initial project cost and know exactly how many months until you break even. COMING SOON SaaS valuation calculator, growth projection simulator, PDF export, save and compare multiple SaaS projects, lifetime deal calculator, Free to use. No account needed. No data collected. Perfect for SaaS founders, startup builders, freelancers, and anyone planning to launch a profitable SaaS product.
Mar 16, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.