Herramientas

Calculate the PayPal fee deducted from your payment and how much to charge to net a specific amount.

Generate QR codes one by one or in bulk (ZIP download). Runs 100% in your browser.

Convert between USD, EUR, MXN, COP, PEN and more with hourly-updated rates.

Counts words, characters, sentences, paragraphs and estimates reading and speaking time.

Calculate the fixed monthly payment for a loan and download the full amortization table.

Compute amortization table with German system: fixed principal per month, decreasing installment. Supports extra principal payments and comparison with French.

Project investment growth with periodic contributions and configurable compounding.

Calculate margin, markup, profit and the suggested price for a target margin.

Calculate Ecuador's 13th salary (Christmas bonus) based on income for the period.

School bonus in Ecuador = one Unified Basic Salary (USD 470 in 2026), prorated.

Calculate IESS employer contributions (11.15%) plus IECE/SECAP and reserve funds in Ecuador.

Measure the return of your Meta Ads, Google Ads, TikTok Ads and other digital ad campaigns.

Calculate total and annualized ROI with a year-by-year projection.

How many units you need to sell to cover fixed costs and start earning.

How much MercadoPago deducts in Argentina, Mexico, Colombia, Chile and Brazil. Includes VAT.

How much Stripe deducts per transaction, with country and international presets.

Calculate your ideal hourly rate covering costs, taxes and a margin.

Generate secure passwords with entropy metrics. All in your browser (Web Crypto).

Turn any title into a URL-friendly slug: lowercase, no accents, hyphenated.

Build URLs with UTM parameters (source, medium, campaign) to track your campaigns.

Split profits proportionally to each partner's investment. Automatic table.

Calculate post-money valuation, investor stake and founder dilution after a round.

How much cash you burn monthly and how many months you have left before raising capital.

Customer acquisition cost, lifetime value, and time to recover the investment.

MRR movements (new, expansion, contraction, churn) with NRR/GRR and projected ARR.

How much cash you need to keep receivables, inventory and payables flowing.

Build professional PDF proforma invoices for 10 countries (EC, MX, CO, AR, PE, CL, UY, BR, ES, US).

Accounts, movements, transfers, debts and employees. Visualize business health with charts. 100% local in your browser.

View invoices, credit/debit notes, withholdings, dispatch guides and purchase liquidations from Ecuador SRI in official RIDE format. Auto-detects type and validates structure.

View the monthly Simplified Transactional Annex (ATS) from Ecuador SRI with section tabs, pagination, search, and analytical summary.

Accounts, movements, budgets and available cash. Plan monthly spending and see how much money you have per account. 100% local.

Add VAT to a price or extract VAT contained in a price. Supports Ecuador, Mexico, Colombia, Peru, Argentina, Chile, Spain and Brazil rates.

Apply a percentage discount to a price or compute the discount % from original and final prices.

Compute X% of a number, what % X is of Y, percentage change, and apply increase or decrease.

Solve direct and inverse rule of three instantly. Useful for conversions, scaling and dosing.

Compute tip on a bill and split the total among diners. Also works for group splits.

Compute your exact age in years, months and days from a birth date. Total days lived and days until next birthday.

Compute days, weeks, months and years between two dates. Includes business-day count (Mon–Fri).

Compute overtime pay at 25% supplementary, 50% extraordinary night, and 100% weekend/holiday, per Ecuador Labor Code.

Convert any number or amount to Spanish text. Useful for checks, invoices, contracts and official receipts.

Compute Ecuadorian severance: proportional 13th/14th salary, unused vacation, dismissal indemnity and notice bonus.

Compute your BMI from weight and height. Classifies your range and shows ideal weight per WHO.

Split your monthly income into needs (50%), wants (30%) and savings/debt (20%). Simplest budgeting method to start with.

Convert between kilometers, miles, kg, pounds, liters, gallons, Celsius, Fahrenheit, hectares, square feet and more.

Compute what your money will be worth in the future with compound interest and monthly contributions. Also solves present value.

Compute Ecuadorian income tax and VAT withholdings per SRI concept code, 2026 rates.

Compute period COGS from beginning inventory, purchases and ending inventory. Get gross profit and gross margin.

How many times you turn inventory and average days to sell.

Average days to collect from customers. Key B2B cash flow indicator.

Months to recover money invested in equipment, project, campaign or customer acquisition.

Compute NPS from promoters, passives and detractors. Universal customer satisfaction metric.

Compute EBITDA, operating income, net income and EBITDA margin from revenue, COGS, opex, D&A.

Per-unit contribution margin, CM ratio, and units needed to break even covering fixed costs.

Total commission with tiered scheme (more you sell, higher %). Includes base salary, per-tier breakdown and effective rate.