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New✅ ValidationCosta Rica ID number validatorEnter 1-0234-0567 and you learn it is a valid personal cédula, stored as 102340567 and shown in its usual hyphenated…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica severance calculatorThirty months on an average ₡600,000, then a dismissal without just cause: the settlement comes to ₡2,040,000 in notice…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica employer payroll charges 2026A ₡1,000,000 monthly salary costs a Costa Rican employer ₡1,268,300 in 2026, because ₡268,300 in social charges, the…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica net salary calculator 2026On ₡1,000,000 gross a month, an employee in Costa Rica takes home ₡883,500 in 2026: ₡108,300 goes to the CCSS and ₡8,200…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica aguinaldo calculatorYour aguinaldo is one twelfth of everything earned from 1 December to 30 November: twelve months at ₡600,000 come to an…NNitroRuns in your browserFreeOpen →New➗ MathNull space calculatorThe rows (1, 2, 3) and (2, 4, 6) have rank 1, so their null space needs two basis vectors: (−2, 1, 0) and (−3, 0, 1).SsamuraiRuns in your browserFreeOpen →New➗ MathLogical NOR calculatorFalse NOR false is true, and every other pair gives false. Enter two true-or-false values and get the NOR result with…PPavilionRuns in your browserFreeOpen →New➗ MathMultiply complex numbersMultiply two complex numbers in rectangular form: (1 + 2i)(3 + 4i) gives −5 + 10i, using (ac − bd) + (ad + bc)i with i²…AabuelaRuns in your browserFreeOpen →New➗ MathMöbius strip calculatorGive the band width and the centreline radius and get the Möbius strip's area and its single edge: a band 1 wide on a…SsamuraiRuns in your browserFreeOpen →New➗ MathLong multiplication calculatorMultiply two whole numbers the schoolbook way and see every partial product: 123 times 45 gives the rows 615 and 4920…AabuelaRuns in your browserFreeOpen →New➗ MathMean calculatorAdd up a list and divide by how many numbers it holds: 2, 4, 6, 8 and 10 sum to 30, so the mean is 6.PPavilionRuns in your browserFreeOpen →New➗ MathLog2 calculatorEnter a positive number and get its base-2 logarithm, the power of two that produces it: log2 of 8 is 3, of one half is…SsamuraiRuns in your browserFreeOpen →

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#1📈 SEOValidate a redirect mapCatch redirect mistakes while the map is still a file: in /a → /b → /c → /d, the route from /a takes three hops and is…GGalaRuns in your browserFreeOpen →#2📄 Documents & PDFConvert HTML to PDFTurn an invoice template or a rendered report written in HTML into a PDF that looks exactly like the page a modern…NNitroAPI$0.040Open →#3📄 Documents & PDFJPG to PDFThree photos of a damaged part, or several receipts snapped on a phone, become one PDF with one page per image, in the…NNitroAPI$0.002Open →#4📄 Documents & PDFURL to PDFKeep a competitor's advertised claims, a government notice or a partner's terms exactly as they appeared on a given…NNitroAPI$0.040Open →#5🌐 TranslationSort a list alphabeticallyWith Spanish rules, “nandu” comes before “ñandú” and “Ñoño”, and “Ángel” sits right after “angel” instead of at the end…GGalaRuns in your browserFreeOpen →#6✅ ValidationValidate a phone numberType +34 600 11 12 22 and you get +34600111222, confirmed as a valid Spanish number of 11 digits, ready for your contact…NNitroRuns in your browserFreeOpen →#7✅ ValidationColor contrast checkerKnow whether text will stay readable for everyone, whatever your own screen shows: dark gray #111827 on white has a…GGalaRuns in your browserFreeOpen →#8🖼️ ImagesAdd a logo to a QR codeAdd your logo to the center of a QR code without breaking it: the error-correction level, the logo's size and the blank…NNitroRuns in your browserFreeOpen →#9🕸️ Web Scraping & MonitoringRemove tracking parameters from a URLTwo UTM tags gone, the id parameter kept and nothing else in the link touched: paste a link to strip known tracking…GGalaRuns in your browserFreeOpen →#10📄 Documents & PDFSplit a PDFCut a three-page PDF every two pages and you get two files: pages 1 and 2, then page 3.NNitroAPI$0.002Open →#11📄 Documents & PDFExtract text from a PDFGet the words a native PDF already contains as plain text in reading order, without fonts, columns or coordinates…NNitroAPI$0.002Open →#12✍️ Text & AISummarize a textNobody on your team has to skim a 4,000-word document again to find the three sentences that matter: paste it in and get…NNitroAPI$0.003Open →

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💰 Finance & moneyFree
Credit utilization calculator
Add up your revolving balances and your credit limits, and see what share is in use: 2000 owed on 10000 of limits is 20% utilization, with 8000 still available.
PPavilion
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💰 Finance & moneyFree
Cross-price elasticity calculator
Divide the percent change in demand for one good by the percent change in another good's price: demand up 20% after a 10% price rise gives an XED of 2, a strong…
Aabuela
Runs in your browser
💰 Finance & moneyFree
CTR calculator
Divide clicks by impressions to see how often people actually click: 50 clicks on 1000 impressions is a CTR of 5%, with 950 impressions that drew no click.
PPavilion
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💰 Finance & moneyFree
Currency forward calculator
Find the exchange rate you can lock in today for a future date: a 1.25 spot with 5% at home and 3% abroad over one year gives a forward of 1.274272.
Aabuela
Runs in your browser
💰 Finance & moneyFree
Customer effort score calculator
Turn a list of effort ratings into one score: answers of 5, 6, 7, 6 and 5 give a customer effort score of 5.8 on the seven-point scale.
PPavilion
Runs in your browser
💰 Finance & moneyFree
Cyber Monday calculator
Enter the list price and the Cyber Monday percent off to see what you will actually pay: 199.99 at 40% off comes to 119.99, a saving of 80.
PPavilion
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💰 Finance & moneyFree
DART rate calculator
Scale serious injury cases to 100 full-time workers so sites of any size compare fairly: 5 DART cases over 400000 hours worked is a DART rate of 2.5, beside a…
Aabuela
Runs in your browser
💰 Finance & moneyFree
Days inventory outstanding calculator
See how long inventory waits before it is sold: 50000 of average inventory against 365000 of annual cost of goods sold is 50 days inventory outstanding.
PPavilion
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💰 Finance & moneyFree
DSO calculator
See how long cash stays tied up after a sale on account: 40000 of receivables against 365000 of annual credit sales is a DSO of 40 days.
Aabuela
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💰 Finance & moneyFree
DCF calculator
Bring a cash-flow forecast back to today's value: 100, 120 and 150 over three years at 10%, plus a terminal value of 1000, are worth 1054.09 now.
PPavilion
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💰 Finance & moneyFree
Deadweight loss calculator
Find the surplus a market distortion destroys with the triangle rule, half the price change times the quantity change: a price change of 2 and a quantity change…
Aabuela
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💰 Finance & moneyFree
Total debt calculator
Stack the three liability lines into one headline obligation: 12000 of short-term debt, 85000 of long-term debt and 4500 of other fixed liabilities make a total…
PPavilion
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💰 Finance & moneyFree
Debt avalanche calculator
Attack the most expensive rate first and see when each debt is gone: with 250 a month, a 400 store card at 22.9%, a 3200 card at 18.5% and a 1500 loan at 11%…
Aabuela
Runs in your browser
💰 Finance & moneyFree
Debt consolidation calculator
Roll several balances into one loan and see both sides at once: three debts totalling 15500 moved to 8.99% over 48 months drop the payment from 688.98 to 385.64…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Debt payoff calculator
Enter what you owe, the annual rate and a fixed monthly payment to see when one debt is gone: 5000 at 18% paid at 200 a month is cleared in 32 months, with…
Aabuela
Runs in your browser
💰 Finance & moneyFree
Debt snowball calculator
Clear the smallest balance first and roll each freed minimum into the next: cards of 800 and 2500 plus a 5000 loan, with 200 extra a month, are all paid off in…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Debt-to-asset ratio calculator
See how much of the asset base creditors have financed: 400000 of total liabilities on 1000000 of total assets is a debt-to-asset ratio of 0.4, or 40%.
Aabuela
Runs in your browser
💰 Finance & moneyFree
Debt-to-capital ratio calculator
See the share of invested capital that lenders provide: 400000 of debt and 600000 of equity make 1000000 of capital, so the debt-to-capital ratio is 0.4, or…
Aabuela
Runs in your browser
💰 Finance & moneyFree
Debt-to-equity calculator
Get the classic leverage multiple in one step: 200000 of total liabilities on 100000 of shareholders' equity is a debt-to-equity ratio of 2, meaning two of…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Defensive interval ratio calculator
Measure the cash runway in days: 365000 of liquid assets against 1000 of average daily operating expenses covers 365 days of ordinary operations, with no new…
Aabuela
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💰 Finance & moneyFree
Deferred annuity calculator
Value a stream of equal payments that begins after a wait: 1000 a year for 10 years, starting after a 5-year deferral at 8%, is worth 4566.77 today, against…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Deferred payment loan calculator
Borrow 10,000 at 6% a year for 2 years and you owe 11,200 in one payment at maturity, 1,200 of it interest.
Aabuela
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💰 Finance & moneyFree
Depreciation calculator
A 10,000 machine with a 1,000 salvage value and a 5-year life loses 1,800 a year on a straight line and ends at a book value of 1,000.
PPavilion
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💰 Finance & moneyFree
Direct material price variance
Pay 5.2 per unit against a standard price of 5 on 1,000 units and the purchase cost 200 more than budgeted, an unfavorable variance; 4.8 on 800 units saves 160.
Aabuela
Runs in your browser
💰 Finance & moneyFree
Discount rate calculator
If 1,000 today becomes 1,210 after 2 periods, the discount rate is 10% per period. Enter the present value, the future value and the number of periods to…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Discretionary income calculator
With 80,000 of gross income, 16,000 in taxes and 42,000 of essential costs, 22,000 remains for savings, extra debt payments or wants.
Aabuela
Runs in your browser
💰 Finance & moneyFree
Dividend discount model
With 2.5 of dividend expected next year, a required return of 10% and growth of 4% forever, one share is worth 41.67 under the Gordon growth model.
PPavilion
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💰 Finance & moneyFree
Dividend calculator
A company paying 2,000,000,000 in total dividends on 500,000,000 shares pays 4 per share, and at a share price of 50 that is an 8% yield.
Aabuela
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💰 Finance & moneyFree
Double discount calculator
A price of 100 with 20% off and then another 10% ends at 72, so you save 28 rather than 30, because the second cut only applies to the 80 left.
PPavilion
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💰 Finance & moneyFree
Down payment calculator
On a 400,000 home with 20% down, you bring 80,000 in cash and finance the other 320,000. Enter the price and the down payment percentage to see both amounts…
Aabuela
Runs in your browser
💰 Finance & moneyFree
Dream come true calculator
Aim for 50,000 in 5 years with 10,000 saved, 500 a month and an 8% yearly return, and you reach 51,636.89, a surplus of 1,636.89.
PPavilion
Runs in your browser
💰 Finance & moneyFree
DSCR calculator
Net operating income of 180,000 against 120,000 of annual loan payments gives a DSCR of 1.5: the property earns one and a half times what its debt costs each…
Aabuela
Runs in your browser
💰 Finance & moneyFree
DTI calculator
Monthly debt payments of 2,000 against a gross monthly income of 5,000 give a debt-to-income ratio of 40%, the figure lenders read before approving a loan.
PPavilion
Runs in your browser
💰 Finance & moneyFree
DuPont analysis calculator
Net income of 100,000 on sales of 1,000,000, with 500,000 of assets and 250,000 of equity, gives a 10% margin, an asset turnover of 2 and leverage of 2, for an…
Aabuela
Runs in your browser
💰 Finance & moneyFree
EAR calculator
A nominal 12% compounded monthly is really about 12.68% a year, while the same 12% compounded once a year stays at 12%.
PPavilion
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💰 Finance & moneyFree
Early retirement calculator
Spending 40,000 a year at a 4% withdrawal rate means you need a nest egg of 1,000,000, which is 25 times your annual expenses.
Aabuela
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💰 Finance & moneyFree
Earned value management
With 100,000 of work planned, 90,000 of work earned and 110,000 actually spent, the project is 20,000 over budget and 10,000 behind schedule, with a CPI of…
Aabuela
Runs in your browser
💰 Finance & moneyFree
Earnest money calculator
On a 400,000 home with a 3% earnest money deposit, you put down 12,000 when the offer is accepted, leaving 388,000 of the price to settle at closing.
PPavilion
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💰 Finance & moneyFree
EBIT calculator
Revenue of 1,000,000 minus 600,000 of operating expenses, 50,000 of depreciation and 20,000 of amortization leaves an EBIT of 330,000, passing through an EBITDA…
PPavilion
Runs in your browser
💰 Finance & moneyFree
EBITDA multiple calculator
An enterprise value of 500,000,000 against EBITDA of 50,000,000 is a multiple of 10: a buyer pays ten times a year's operating cash earnings for the whole firm.
Aabuela
Runs in your browser
💰 Finance & moneyFree
EBT calculator
Revenue of 850,000 minus 620,000 of costs other than income tax gives earnings before tax of 230,000, a pretax profit.
PPavilion
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💰 Finance & moneyFree
Economic injury disaster loan calculator
With average monthly operating expenses of 8,000 and 6 months of coverage, the working capital to request in an economic injury disaster loan comes to 48,000.
Aabuela
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💰 Finance & moneyFree
EVA calculator
With 150,000 of after-tax operating profit, 1,000,000 of invested capital and a 10% cost of capital, the capital charge is 100,000 and EVA is 50,000: the…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Effective annual yield
A 2% return over one quarter compounds to about 8.24% a year, not 8%, because each quarter's gain keeps earning in the next.
Aabuela
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💰 Finance & moneyFree
Effective corporate tax rate calculator
A tax expense of 21,000 on pretax income of 100,000 is an effective corporate tax rate of 21%, the share of book profit that actually went to income tax after…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Effective duration calculator
A bond priced at 100 that would rise to 101.5 if yields fell 0.25 points and drop to 98.6 if they rose 0.25 has an effective duration of 5.8.
Aabuela
Runs in your browser
💰 Finance & moneyFree
Effective interest rate calculator
Put in 1,000 and get back 1,210 after 2 periods, and the effective interest rate is 10% per period.
PPavilion
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💰 Finance & moneyFree
ELSS calculator
100,000 invested in an ELSS fund at an expected 12% a year grows to 176,234.17 after 5 years, a gain of 76,234.17, with the units locked for the first 3 years.
Aabuela
Runs in your browser
💰 Finance & moneyFree
EMI calculator
Borrow 250,000 at 8.5% a year over 36 months and the EMI is 7,891.88, so you repay 284,107.68 in total, 34,107.68 of it interest.
PPavilion
Runs in your browser
💰 Finance & moneyFree
EMV calculator
A demand tree with a 0.2 chance of earning 100,000, a 0.5 chance of 40,000 and a 0.3 chance of losing 20,000 has an expected monetary value of 34,000.
Aabuela
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💰 Finance & moneyFree
Ending inventory calculator
Start with 10,000 of inventory, add 25,000 of net purchases and sell goods that cost 20,000, and 15,000 should still be on the books, out of 35,000 available…
PPavilion
Runs in your browser
💰 Finance & moneyFree
Enterprise value calculator
Market cap of 1,000,000,000 plus 250,000,000 of debt, minus 50,000,000 of cash, gives an enterprise value of 1,200,000,000: what a buyer pays for the whole…
Aabuela
Runs in your browser
💰 Finance & moneyFree
EOQ calculator
With 1000 units of yearly demand, 10 per order and 0.5 to hold one unit for a year, the economic order quantity is 200 units: five orders a year and 50 in each…
PPavilion
Runs in your browser
💰 Finance & moneyFree
EPF calculator
A monthly salary of 50,000 with 12% from you and 12% from your employer, over 20 years at 8.25%, builds an EPF corpus of 7,077,837.34, of which 4,197,837.34 is…
Aabuela
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💰 Finance & moneyFree
EPS calculator
Net income of 1,000,000 minus 50,000 of preferred dividends, spread over 500,000 weighted-average shares, gives basic earnings per share of 1.9, with 950,000…
PPavilion
Runs in your browser
💰 Finance & moneyFree
EPS growth calculator
If earnings per share go from 2 to 2.5, EPS growth is 0.25, a 25% rise; a drop from 4 to 3 shows as −0.25.
Aabuela
Runs in your browser
💰 Finance & moneyFree
Equivalent rate calculator
An annual rate of 12% is the same as 11.3865% compounded monthly, or 0.9488792935% each month: both reach the same growth by year end.
PPavilion
Runs in your browser
💰 Finance & moneyFree
EV to sales calculator
Divide an enterprise value of 500,000,000 by 250,000,000 of annual revenue and the EV/Sales multiple is 2: the market pays two times sales for the whole firm.
Aabuela
Runs in your browser
💰 Finance & moneyFree
Exit rate calculator
If last month brought in 50,000 of recurring revenue, the exit run rate is 600,000: that month multiplied by twelve, as quoted in board packs and term sheets.
PPavilion
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💰 Finance & moneyFree
Expected return calculator
A 60% equity sleeve expected to earn 10% plus 40% in bonds at 4% gives a portfolio expected return of 7.6%, not the simple average of 7%.
Aabuela
Runs in your browser

How it works

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Get your key

Create an account with your email and add balance when you need it. No subscription, no sales call.

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Call the endpoint

One authenticated POST. The API returns a task_id immediately — copy-paste snippets in five languages on every page.

3

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Receive a signed webhook the moment it's ready, or fetch a signed link. A failed task is never charged.

Pay only for what you use

No subscription. Free tools run in your browser; paid tasks draw from your balance, which never expires.

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On-device utilities — hash, QR, JSON, Text→PDF and more — run in your browser. No account, no limits.

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Top up your balance and spend it across web, API and the app. It never expires.