98 tools
All tools
Every calculator on VentriTools, grouped by category. Jump to a section below, or browse by category page instead.
Acquisitions
SDE valuation, deal analysis, and due diligence tools for buying and selling online businesses.
- Acquisition payback period & IRR calculator Free acquisition payback and IRR calculator for online businesses. Enter purchase price, monthly profit, and expected growth to see months to payback and 3-year internal rate of return.
- Asset vs share sale tax impact estimator Asset vs share sale tax estimator. Compare net proceeds under an asset sale versus a share/stock sale given your sale price, cost basis, and tax rates — and see which deal structure leaves more money in the seller's pocket.
- P&L normalization / SDE add-back calculator Step through common P&L add-backs — owner salary, personal expenses, one-off costs, depreciation — to convert a raw profit figure into a clean SDE. Before-and-after comparison table included. Download as CSV or PDF.
- Revenue concentration risk calculator Enter your top revenue or traffic sources with their percentage shares to get a Herfindahl-style concentration score, risk rating, and the valuation multiple haircut buyers typically apply for dependency risk.
- SDE / multiple valuation calculator Free SDE valuation calculator for online businesses. Enter revenue, expenses, and owner salary to compute Seller's Discretionary Earnings and see a valuation range by business type — SaaS, content site, ecommerce, or mobile.
- Seller financing deal analyser Compare an all-cash acquisition vs a seller-financed deal. Enter down payment, interest rate, and term to see monthly cash-flow comparison, total interest cost, and the effective discount vs paying cash.
- Traffic value vs asking price ratio Content site due diligence calculator. Enter monthly organic sessions and niche CPC to see equivalent paid traffic value, then compare against the asking price to get the traffic-value multiple.
Content
RPM, sponsorship pricing, and traffic value tools for content site owners.
- Ad revenue (RPM) calculator Free ad revenue calculator for content sites. Enter your monthly pageviews and RPM to see estimated ad revenue — or enter a revenue target to find the pageviews you need at your current RPM.
- Affiliate program profitability calculator Enter your product margin, commission rate, monthly affiliate sales volume, and network fees to see net profit per sale and whether the channel is worth running at your margins.
- Content ROI calculator Estimate the equivalent paid-ad value of your organic traffic against your content production cost — with break-even month and net return projected over 12–36 months.
- Email list value calculator Enter your list size, open rate, click-through rate, and conversion data to see monthly revenue, revenue per subscriber, and an estimated asset value for your email list.
- Newsletter sponsorship CPM calculator Free newsletter sponsorship CPM calculator. Enter your list size, open rate, and CPM to find your rate per sponsored send — or enter a target rate to see the implied CPM.
- Organic traffic value calculator Free organic traffic value calculator. Enter your monthly organic sessions and average CPC to see what your SEO traffic would cost if you bought it via Google Ads — the standard way to quantify the ROI of organic search.
- Sponsored content pricing calculator Free sponsored content pricing calculator. Enter your monthly pageviews, niche, and engagement quality to get a suggested rate range for sponsored posts — so you stop undercharging.
Creators
Revenue calculators for YouTube, podcasts, courses, and paid newsletters.
- Creator sponsorship rate calculator Get a suggested flat-fee rate range for a sponsored placement on YouTube, Instagram, TikTok, podcast, or newsletter — based on your audience size, engagement rate, and niche CPM benchmarks.
- Launch vs evergreen course revenue comparison Compare annual revenue for a launch-based course vs a continuous evergreen funnel — and calculate the break-even monthly enrolment rate the evergreen model needs to match your launch income.
- Online course revenue calculator Model a launch-based or evergreen course — enter your price, enrolment numbers, platform fees, and refund rate to see net revenue per launch and annual income after all deductions.
- Paid newsletter MRR calculator Convert your free subscriber list into projected MRR and ARR — enter list size, paid conversion rate, and monthly price to see a sensitivity table showing what each percentage point of conversion and each dollar of price change is worth annually.
- Podcast episode revenue calculator Enter your monthly downloads, niche, and ad slot configuration to see revenue per episode, monthly income, and a projection table at different download growth rates.
- YouTube channel monetisation calculator Enter your monthly views and niche to get estimated AdSense revenue, then add channel memberships and sponsorships for a complete picture of monthly income and annual run rate.
Dev Tools
Encoding, hashing, and token utilities for developers.
- .env file sanitizer Free .env file sanitizer. Paste your .env file and get back a version with secret values masked — API keys, tokens, passwords, database URLs — so you can share the file structure safely. Runs entirely client-side.
- Base64 encoder / decoder Free online Base64 encoder and decoder. Convert text to Base64 or decode Base64 to text instantly in your browser — with standard and URL-safe modes. Nothing is sent to a server.
- Hash generator (MD5, SHA-1, SHA-256, SHA-512) Free online hash generator. Enter any text to instantly compute MD5, SHA-1, SHA-256, and SHA-512 hashes client-side — nothing is sent to a server.
- JWT decoder Free online JWT decoder. Paste a JSON Web Token to instantly decode the header, payload, and claims — including human-readable timestamps for iat, exp, and nbf. Runs entirely in your browser.
- Meta tag & OG previewer Free meta tag and Open Graph previewer. Enter your title, description, canonical URL, and OG image to see a live Google search snippet and social card preview. Flags title and description length violations. No data is sent anywhere.
- String case converter Paste any text and instantly convert it between camelCase, snake_case, kebab-case, SCREAMING_SNAKE_CASE, PascalCase, Title Case, and sentence case. Useful for renaming variables, database columns, URL slugs, and CSS class names.
- UUID / ULID generator Generate cryptographically random UUID v4 or ULID identifiers instantly in your browser. Bulk-generate up to 100 at once, copy individually or all at once. Nothing is sent to a server — all IDs are generated client-side using the Web Crypto API.
- Unix timestamp converter Convert a Unix timestamp to a human-readable date or turn any date into a Unix timestamp — instantly in your browser. Shows UTC, local timezone, ISO 8601, RFC 2822, and relative time. Supports seconds and milliseconds.
Ecommerce
Margins, shipping, ad spend, and inventory calculators.
- Breakeven ad spend calculator Free breakeven ad spend calculator. Enter your average order value, product margin, and target profit margin to see the maximum you can afford to spend acquiring a customer through ads.
- Bulk product image cropper Drag in product photos, pick a target aspect ratio, then choose pad (contain) or crop (fill). Download all resized images as a ZIP. Runs entirely in-browser via Canvas API — nothing is uploaded.
- Bundle pricing lift calculator Enter individual product prices and costs, then find the bundle price that maximises revenue per order without dropping below your target margin.
- CSV variant builder for bulk uploads Generate all product variant SKU combinations (size × colour × material) and export a Shopify or WooCommerce-ready CSV. Enter option names and values — the tool builds every combination instantly in the browser.
- Customer acquisition cost calculator Free ecommerce CAC calculator. Enter your ad spend, other marketing costs, and new customers acquired to see your cost per acquisition, first-order economics, and how many repeat purchases it takes to recover your acquisition spend.
- DTC vs wholesale margin comparison Compare direct-to-consumer vs wholesale margin side by side. Enter retail price, CAC, and costs to see which channel generates more profit per unit and the break-even DTC acquisition cost.
- Free shipping threshold calculator Enter your shipping cost, gross margin, and target profit margin to find the minimum order value at which offering free shipping stops costing you money.
- Inventory turnover calculator Free inventory turnover calculator for ecommerce. Enter your cost of goods sold and average inventory value to see turnover ratio, days of stock on hand, and how much cash is tied up in slow-moving inventory.
- Product margin calculator Free product margin calculator for ecommerce sellers. Enter your selling price, cost of goods, shipping, and platform fees to see your gross profit, margin %, and markup % per unit sold.
- Return rate impact calculator Free return rate impact calculator for ecommerce. Enter your orders, return rate, average order value, gross margin, and processing cost per return to see the true monthly cost of returns and your effective margin after them.
- Shipping cost comparison tool Compare USPS, UPS, and FedEx shipping costs side by side. Enter package weight, dimensions, and destination zone to see estimated carrier rates and which service is cheapest.
- Subscription box LTV calculator Enter your box price, COGS, fulfilment cost, shipping, churn rate, and acquisition cost to see true customer lifetime value and LTV:CAC ratio for a physical subscription business.
Finance
Break-even, payroll, margin, and financing calculators for any business.
- Break-even point calculator Free break-even point calculator. Enter fixed costs, variable cost per unit, and selling price to find the minimum units and revenue needed to break even — with a profit table at different sales volumes.
- Business runway calculator Free business runway calculator. Enter cash on hand, monthly expenses, and current revenue to see how many months until you run out of money — plus scenario modelling for expense cuts.
- Markup to margin converter Free markup to margin converter. Enter a markup percentage to instantly see the equivalent gross margin, or enter a margin to find the required markup — with a dollar breakdown at any cost price.
- Profit margin calculator Free profit margin calculator for any business. Enter your revenue, cost of goods, and operating expenses to see gross profit, gross margin %, net profit, and net margin %.
- True hiring cost calculator Free true hiring cost calculator. Enter base salary and benefits to see the full annual cost of a new hire — including employer payroll taxes, health insurance, equipment, onboarding, and management overhead.
- VAT / sales tax calculator Free VAT and sales tax calculator. Enter a net price to add tax, or a gross price to strip it out. Works for any tax rate — with quick presets for common VAT and GST rates.
Freelance
Rates, retainers, and project pricing for freelancers and agencies.
- Freelancer hourly rate calculator Freelancer and agency hourly rate calculator. Enter your target take-home income, tax rate, overhead, and realistic billable hours to find the minimum hourly rate you must charge — and see how it changes at different utilisation levels.
- Retainer vs project-based pricing comparison Model annual revenue, monthly income variability, and gap months under both pricing models — and find the retainer rate that matches your project income with far less volatility.
Marketing
A/B testing, ad spend runway, UTM builder, and campaign ROI tools.
- A/B test statistical significance calculator Enter impressions and conversions for your control and variant to get a plain-English verdict — winner, loser, or not enough data yet — with confidence level, p-value, and required sample size to reach significance.
- Ad spend burn-rate & runway dashboard Ad spend burn-rate and runway dashboard. Enter your bank balance, fixed overhead, daily ad spend, and current revenue to see how many days the business can survive if revenue drops to zero — plus runway scenarios at reduced ad spend levels. Inputs are saved automatically to your browser.
- Cart abandonment recovery revenue estimator Enter your monthly traffic, add-to-cart rate, industry abandonment rate, and recovery email metrics to see the monthly revenue you're losing — and how much a well-tuned email sequence can claw back.
- Influencer gifting ROI calculator Calculate whether an influencer gifting campaign will pay for itself before you ship a single unit. Enter product cost, units gifted, expected conversions, and average order value to see net profit or loss and the exact break-even conversion count.
- UTM campaign builder & link organiser Bulk-generate UTM-tagged URLs for multiple channels from a single landing page. Add channels with one click using built-in presets for Google Ads, Facebook, email, and more — then copy, save, and reuse your links across campaigns.
Marketplaces
Fee and margin calculators for Amazon, Etsy, print-on-demand, and dropshipping.
- Amazon FBA true margin calculator Free Amazon FBA margin calculator. Enter your sale price, unit cost, referral fee, FBA fulfillment fee, and storage fee to see your true net margin and break-even price.
- Amazon vs Shopify vs own-site fee comparison Enter your product price, category, and monthly volume to see the true per-unit fee stack across Amazon, Shopify, and your own site — and the exact volume where each channel becomes most profitable.
- Digital product margin calculator Enter your sale price and pick a platform — Gumroad, Lemon Squeezy, Payhip, or Shopify — to see the full fee stack, net revenue per sale, and monthly income at different sales volumes.
- Dropshipping unit economics calculator Free dropshipping unit economics calculator. Enter your sale price, supplier cost, shipping, platform fees, and ad CPA to see net profit per order, break-even CPA, and whether your ad spend is making the unit profitable or not.
- Etsy profit calculator Free Etsy profit calculator. Enter your sale price, COGS, and shipping details to see your true payout after Etsy's listing fee, transaction fee, payment processing, and optional offsite ads levy.
- Multi-channel gross-to-net fee calculator Enter your sale price and unit cost to see the real payout after Amazon, Etsy, Shopify, eBay, and direct (Stripe) fees — side by side across all five channels.
- Print-on-demand margin calculator Free print-on-demand margin calculator for Printful, Printify, and similar services. Enter your sale price, base product cost, platform fee, and ad spend to see your true profit per sale and break-even price.
Mobile
App store economics, subscription LTV, retention, and UA tools for iOS and Android businesses.
- App DAU/MAU stickiness calculator Free app DAU/MAU stickiness calculator. Enter daily and monthly active users to see your stickiness ratio, average days active per user, and monthly engagement time — with context on what the ratio means for habit formation.
- App Store revenue calculator Free App Store revenue calculator. Enter gross revenue to see your net payout after Apple or Google's commission — or enter a target net payout to see the gross you need. Covers both the 30% standard rate and the 15% small developer and subscription rate.
- App UA ROAS calculator Free UA ROAS calculator for mobile apps. Enter ad spend, installs, and Day 7 / Day 30 revenue per install to see gross and net ROAS at each cohort window — and the revenue per install needed to break even.
- App install CPI break-even calculator Free CPI break-even calculator for mobile apps. Enter your cost per install, Day 30 retention, monthly ARPU, and platform commission to see your payback period and the maximum CPI you can afford.
- App rating lift calculator Free app rating lift calculator. Enter your current rating, review count, and target rating to see exactly how many 5-star reviews you need — and how many review prompts to send if only a fraction of users respond.
- App retention curve projector Free app retention curve projector. Enter your Day 1, Day 7, and Day 30 retention rates to project Day 90 and Day 365 retention using a power-law decay model — with benchmark comparisons for games, utility apps, and social apps.
- Subscription app LTV calculator Free subscription app LTV calculator. Enter your monthly price, churn rate, trial conversion rate, and platform commission to see subscriber LTV, net LTV after platform cut, and the maximum CPI you can afford for profitable user acquisition.
Privacy
PII scrubbing, metadata stripping, and data redaction tools — all client-side.
- Browser fingerprint exposure checker See what unique identifiers your browser exposes — user agent, screen metrics, canvas fingerprint, WebGL renderer, installed fonts, and more. Scores your fingerprint exposure in bits. Runs entirely client-side.
- Data retention policy builder Build a data retention policy reference table for your business. Select the data types you collect and the regulations that apply — GDPR, CCPA, HIPAA, SOX — and get recommended maximum retention periods with notes. Download as CSV or copy as Markdown.
- LLM prompt sanitizer Free LLM prompt sanitizer. Paste text before sending to an AI tool — detects and replaces emails, phone numbers, credit card numbers, API keys, and custom words using client-side regex. Nothing leaves the browser.
- PDF redactor / blackout tool Free browser-based PDF redactor. Drag in a PDF, draw black boxes over sensitive content, then download a clean copy — entirely in your browser using PDF.js and pdf-lib. Nothing is uploaded.
SaaS
Churn, LTV, CAC, and MRR tools for subscription businesses.
- API / metered-billing revenue estimator Free API and metered-billing revenue estimator. Enter your per-unit price, average monthly usage per customer, and customer count to see your MRR — plus a scenario table showing revenue at 2×, 5×, and 10× usage growth.
- ARR waterfall decomposition calculator Free ARR waterfall decomposition calculator. Break your ARR growth into new-logo ARR, expansion, contraction, and churn to see the classic SaaS waterfall view and identify which lever has the biggest impact on net new ARR.
- Annual vs monthly pricing calculator Free annual vs monthly pricing calculator for SaaS. Enter your monthly price and annual discount to see the cash flow benefit of annual plans, the breakeven month, and the true cost of the discount in deferred revenue.
- CAC payback calculator Free CAC payback period calculator. Enter your customer acquisition cost, average revenue per customer, and gross margin to see how many months it takes to earn back what you spent acquiring a customer.
- Churn impact calculator Free churn impact calculator. Enter your MRR, customer LTV, and churn rate to see exactly how a 1–2% change in monthly churn compounds over 12–24 months.
- Cohort revenue decay calculator Free cohort revenue decay calculator. Enter your starting cohort MRR and monthly churn rate to see surviving revenue at months 3, 6, 12, and 24 — and what an NRR improvement is actually worth in dollar terms.
- Customer LTV calculator Free customer lifetime value calculator. Enter your average revenue per customer, gross margin, and churn rate to see what a single customer is worth over their lifetime.
- Email / CRM cost comparator Email and CRM cost comparator. Enter your subscriber count and growth rate to see which provider — Mailchimp, Kit, Klaviyo, MailerLite, Brevo, ActiveCampaign — is cheapest now and when each pricing tier kicks in.
- Enterprise deal true CAC calculator Allocate SDR and AE salary costs to new enterprise deals based on team size, OTE, time allocation, pipeline velocity, and demos per close — then compare against self-serve CAC to see your true blended acquisition cost.
- Free trial conversion rate calculator See the MRR impact of changing your trial-to-paid conversion rate or trial length — and what moving conversion by just 1–2 percentage points is worth in annual revenue.
- Freemium-to-paid conversion revenue calculator Free freemium-to-paid conversion calculator. Enter your freemium MAU, conversion rate, and ARPU to see your MRR — plus a sensitivity table showing the revenue impact of ±0.5% and ±1% shifts in conversion rate.
- MRR growth projector Free MRR growth projector. Enter your starting MRR, new business added per month, expansion revenue, and churn rate to see where your MRR lands at the end of a chosen time horizon.
- Net Revenue Retention (NRR) calculator Free Net Revenue Retention (NRR) calculator. Enter your starting MRR, expansion MRR, contraction MRR, and churned MRR to get your NRR % with benchmark bands showing where you stand — below 100% is shrinking, 120%+ is elite.
- PLG viral / K-factor calculator Free PLG viral K-factor calculator. Enter invites sent per activated user and your invite-to-signup rate to see your K-factor and projected user growth across five viral cycles — without any paid acquisition.
- Rule of 40 calculator Free Rule of 40 calculator for SaaS. Enter your revenue growth rate and profit margin to see your Rule of 40 score and where you stand against benchmarks for healthy, funded, and public SaaS companies.
- SaaS Quick Ratio calculator Free SaaS Quick Ratio calculator. Enter new MRR, expansion MRR, churned MRR, and contraction MRR to get your Quick Ratio with a colour-coded health rating — below 1 is declining, 4+ is elite growth.
- SaaS pricing model simulator Free SaaS pricing model simulator. Compare flat-rate, seat-based, and usage-based pricing across your customer segments to see which model generates the most revenue — and which customers pay more or less under each.
- Seat vs usage-based revenue simulator Free seat vs usage-based pricing simulator. Enter your per-seat and per-unit prices, define your customer mix by tier, and see which pricing model generates more revenue — and which customers win or lose under each.
Security
Password strength, breach checking, and infrastructure risk tools.
- Backup recovery time calculator (RTO / RPO) Free backup recovery time calculator. Enter data volume and restore throughput to estimate recovery time, compare it against your RTO, and understand your RPO from backup frequency.
- Brute-force & rate-limit calculator Free brute-force rate-limit calculator. Enter login attempts per minute and lockout settings to see how long it would take to crack common credential types — from 4-digit PINs to 8-character passwords.
- Data breach cost estimator Estimate the cost of a data breach based on records exposed, data type, industry, and jurisdiction. Covers regulatory fines, notification, legal, remediation, and business impact — with low and high range outputs.
- Downtime cost calculator Free downtime cost calculator. Enter your hourly revenue, outage duration, and how much of that revenue is actually lost versus delayed to see the real cost of an incident.
- Password breach checker Check if a password has appeared in known data breaches using the HaveIBeenPwned database. Your password is hashed in the browser — only a 5-character prefix of the hash is ever sent over the network.
- Password entropy & crack-time calculator Free password entropy and crack-time calculator. Enter a password length and character set to see its entropy in bits and an estimated time to crack against different attacker speeds.
- Password policy strength calculator Free password policy strength calculator. Enter minimum length, character requirements, and rotation period — see the entropy it guarantees and estimated crack times across five attack speeds.
- Secure passphrase generator Free secure passphrase generator. Create memorable multi-word passphrases using cryptographically secure randomness — nothing is transmitted, everything runs in your browser.
- TLS certificate expiry calculator Free TLS/SSL certificate expiry calculator. Enter issue and expiry dates to see days remaining, renewal deadline, and health status — with a configurable renewal buffer.