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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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🏠 Home, food & hobbiesFree
Cake flour grams to cups converter
228 g of cake flour is 2 US cups, because each cup is counted as 114 g. Enter the grams from your recipe and get the cups as a decimal; the figure is meant for…
Ffrances
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Greek yogurt cups to grams converter
One US cup of plain strained Greek yogurt weighs 285 g, more than a cup of milk or drinkable yogurt.
Aabuela
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Honey tablespoons to grams converter
Two and a half tablespoons of honey weigh 52.5 g, because every tablespoon counts as 21 g. Enter the tablespoons, decimals included, and get the grams to weigh…
Bbarbara
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Salt teaspoons to grams converter
One level teaspoon of salt counts as 6 grams, so 1.5 teaspoons come to 9 grams. Type the teaspoons from your recipe and get the weight with the factor shown…
Kkatherine
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Vanilla extract teaspoons to grams converter
One teaspoon of pure vanilla extract weighs 4.2 grams. Enter whole spoons, halves or quarters and get the gram weight for cookie dough, custard or frosting when…
Ssamurai
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Bundt pan volume estimator
A Bundt pan 10 inches across and 3.5 inches high holds just over 11 US cups of batter. The estimate takes the outer cylinder and keeps 60% of it, allowing for…
Kkatherine
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Butter sticks to grams converter
Two US sticks of butter are 226 g, because every stick counts as exactly 113 g. Enter whole, half or decimal sticks from an American recipe and weigh the result…
Ffrances
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Celsius to Gas Mark Converter
A recipe at 176 °C becomes Gas Mark 4, the dial setting closest to it at 180 °C. Enter a Celsius temperature from 110 to 240 and get the nearest gas mark, how…
Bbarbara
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Round cake pan area calculator
A 9-inch round pan has a base of about 63.6 square inches. Enter the inside diameter and get the radius, the area and the formula behind it, ready to compare…
Ssamurai
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Square to round pan size converter
An 8-inch square pan matches a round pan about 9.027 inches across, since both bases cover 64 square inches.
Ffrances
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Tablespoons to fluid ounces converter
Two US tablespoons make exactly 1 fluid ounce, because the US liquid system defines the ounce as two tablespoons.
Aabuela
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High-altitude liquid adjuster for baking
At 5,000 feet a recipe with 2 cups of liquid gets 5 extra tablespoons, for 2.3125 cups in total. Enter the liquid in US cups and your altitude in feet; each…
Kkatherine
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High-Altitude Oven Temperature Adjuster
A recipe baked at 350 °F goes to 375 °F in a kitchen at 5,000 feet, because above 3,500 feet the oven gets 25 °F more.
Ffrances
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Cake batter depth calculator
1,000 ml of batter in a pan with a 200 cm² floor sits 5 cm deep, or 50 mm. Enter the batter volume and the pan's floor area in metric or US units to see the…
Aabuela
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Double a recipe calculator
Double any ingredient line in one step: 250 g of flour becomes 500 g, and the unit you typed stays as it is, whether grams, cups, teaspoons or eggs.
Ssamurai
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Tube pan volume calculator
A tube pan 10 inches across with a 3-inch center tube and 4 inches of usable height holds 285.8849 cubic inches, or 4.6848 liters.
Bbarbara
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Active dry to instant yeast converter
A 7-gram packet of active dry yeast becomes 5.25 grams of instant yeast, because instant is more concentrated and you use three-quarters as much.
Ssamurai
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Baker's percentage to weight calculator
With 1,000 grams of flour, a 65% water line on a formula card means 650 grams of water. Enter your flour weight and any baker's percentage to weigh water, salt…
Aabuela
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Dough weight per piece calculator for rolls and loaves
1,800 g of dough shared among 12 rolls gives 150 g per piece. Enter the weight of the finished batch in grams, kilograms, ounces or pounds, set how many pieces…
Bbarbara
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Scale recipe from ingredient on hand
Rewrite a recipe around the ingredient that is running out: with 200 g of flour left for a card that asks for 500 g, every line is multiplied by 0.4 and 250 g…
PPavilion
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Sourdough levain build calculator
Feed a sourdough starter without mental arithmetic: 20 g of seed on a 1:2:2 build needs 40 g of flour and 40 g of water, giving 100 g of levain.
Ffrances
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Yeast amount from flour weight calculator by rise speed
500 g of flour at the standard setting needs 3.5 g of yeast. Pick slow, standard or fast, enter the total flour weight, and scale any dough formula without…
Kkatherine
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Béchamel sauce ratio calculator
For 500 ml of béchamel you need 30 g of butter, 30 g of flour and 500 ml of milk, from a medium base of 60 g, 60 g and 1,000 ml.
Ffrances
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Brown sugar substitute calculator
For 200 g of light brown sugar, mix 180 g of white sugar with 20 g of molasses. Enter any target weight, pick light or dark, and get both amounts in the unit…
Ssamurai
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Buttermilk substitute calculator
For 240 ml of buttermilk, stir 225 ml of milk with 15 ml of lemon juice or white vinegar and let it rest about five minutes.
PPavilion
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Caramel sugar-to-cream ratio calculator
For 200 g of sugar, a soft caramel sauce takes 160 g of cream and 50 g of butter, 410 g in all. Enter the sugar weight and get cream at four fifths and butter…
PPavilion
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Choux pastry ratio calculator
A 600 g batch of choux paste takes 200 g of water, 100 g of butter, 100 g of flour and 200 g of egg.
Kkatherine
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Dark chocolate ganache ratio calculator
200 g of dark chocolate needs 200 g of cream, for 400 g of ganache: the classic dark recipe uses equal weights.
Ssamurai
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Pizza dough ratio calculator
Plan dough by the ball: 4 balls of 250 g make 1000 g of dough, split by baker's percentages into flour, water, salt and yeast, with 62% hydration and 2.5% salt…
Aabuela
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Swiss Meringue Buttercream Ratio Calculator
Two and a half batches of Swiss meringue buttercream take 250 g of egg whites, 500 g of sugar and 750 g of butter, 1,500 g in all.
Bbarbara
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Dried to Fresh Herb Converter
Two teaspoons of dried oregano become six teaspoons of fresh: the converter multiplies the dried amount by three, the classic one-to-three kitchen ratio, and…
Ffrances
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Chicken roasting time by weight calculator
A 4.5-pound whole chicken needs about 90 minutes, or 1 hour 30 minutes, at a steady 20 minutes per pound.
Kkatherine
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Ham heating time by weight calculator
An 8-pound fully cooked bone-in ham needs about 120 minutes, or 2 hours, at 15 minutes per pound in a 325 °F oven.
Aabuela
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Sour Cream Substitute Calculator
To replace 1.5 cups of sour cream, mix 1.40625 cups of heavy cream with 0.09375 cups of lemon juice, or simply use 1.5 cups of plain yogurt.
Bbarbara
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Vegetable blanching time lookup
Broccoli florets need 3 minutes in boiling water, 180 seconds, before the ice bath. Choose an everyday vegetable, from green beans to corn on the cob, and get a…
Aabuela
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Beef steak doneness temperature lookup
Medium rare is 135 °F, or 57 °C, at the center of the steak. Pick the doneness you want and get the target internal temperature in both scales from one fixed…
PPavilion
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Boiled egg time by size and doneness calculator
A large egg with a jammy yolk needs 9 minutes, or 540 seconds, in water that is already boiling. Choose the size printed on the carton and a soft, jammy or hard…
Kkatherine
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Sous-vide chicken time by thickness calculator
A chicken piece 32 mm thick at its thickest point gets 100 minutes of heating, the time set for pieces up to 40 mm.
Bbarbara
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Sous Vide Poultry Pasteurization Time Calculator
Poultry 28 mm thick in a 60 °C bath needs 70 minutes on the pasteurization schedule, in the 30 mm column.
Ffrances
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Turkey thaw time by weight calculator
A 12-pound turkey needs 57.6 hours in the refrigerator, about 2.4 days, at 24 hours for every 5 pounds.
Ssamurai
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Vegetable ferment salt calculator
1,000 g of shredded cabbage at 2% needs 20 g of salt. Enter the vegetable weight, the water if you use brine, and your target percentage, and the calculator…
Ssamurai
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Grain to water ratio lookup
One cup of quinoa needs two cups of water and about 15 minutes of covered simmering. Type a grain, from barley and farro to bulgur or teff, add the dry amount…
Ssamurai
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Burger grilling time by thickness and doneness calculator
A 1-inch patty cooked to medium needs 3.5 minutes per side, or 210 seconds. Pick the thickness, from half an inch to an inch and a half, and the doneness, then…
Kkatherine
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Grilling Fish Time by Thickness Calculator
A fish portion 1.5 inches thick needs about 15 minutes on the grill in total, following the ten-minutes-per-inch rule.
Ffrances
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Sauce Reduction Volume Calculator
Turn an instruction to reduce by 40% into a level you can check: 750 mL of sauce should simmer down to 450 mL, with 300 mL evaporated, in the unit you started…
Bbarbara
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Vegetable steaming time lookup
Broccoli florets steam in 4 to 6 minutes, with 5 as the usual mark. Pick one of fifteen common vegetables and get the time range, the typical target and the cut…
PPavilion
Runs in your browser
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Turkey brine recipe calculator
A 12-pound turkey takes 0.75 gallon of water (12 cups), 0.75 cup of salt and 0.375 cup of sugar, scaled from the classic 16-pound batch.
Aabuela
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BBQ dry rub scaling calculator by meat weight
8 pounds of trimmed meat call for 120 grams of rub at 15 grams per pound: 36 g of brown sugar, 30 g of smoked paprika, 24 g of kosher salt and smaller amounts…
Bbarbara
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Bubble tea tapioca ratio calculator
A 500 ml bubble tea takes 300 ml of brewed tea, 125 ml of milk and 75 ml of cooked tapioca pearls.
Kkatherine
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Chemex coffee ratio calculator
Six Chemex cups take 56.25 g of ground coffee and 900 ml of water. Enter how many 150 ml cups you plan to brew and get both amounts at a steady 1:16 ratio…
Ffrances
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Brewed coffee caffeine estimator
18 g of coffee pulled as espresso gives an estimated 216 mg of caffeine, at 12 mg per gram. Enter the dry coffee weight and pick one of eleven brew methods to…
Ssamurai
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Coffee water from bean weight calculator
An 18 g dose of beans at sixteen parts water to one makes 288 ml of brew water. Weigh your coffee, keep the default ratio or set another, and read the kettle…
Aabuela
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Corned beef cure calculator
1 kg of beef takes 50 g of salt, 25 g of sugar, 2.5 g of Prague Powder #1 and 1,000 ml of cover water at the standard rates.
PPavilion
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Pour-over coffee ratio calculator
For 350 mL of water at 1:16 you need 21.88 g of coffee: enter how much you plan to pour and your ratio, and get the dose and water weight for your dripper.
Kkatherine
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Beer Bitterness IBU Estimator
28 grams of hops at 5.5% alpha acid, boiled for 60 minutes in 20 litres of beer, give about 17.76 IBU.
Kkatherine
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Food calorie density calculator
A 100 g portion with 250 kcal has a calorie density of 2.5 kcal per gram, or 250 kcal per 100 g. Enter the calories and the edible weight of a portion to…
PPavilion
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Calories per serving from total calculator
A 2,400-calorie pot split into 8 servings gives 300 calories per serving. Enter the whole recipe's calorie total and the number of portions it makes to get the…
Ffrances
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Cocktail ABV calculator
50 ml of a 40% spirit, 25 ml of a 20% liqueur and 75 ml of mixer make a 150 ml drink holding 25 ml of pure alcohol, one sixth of its volume.
Ffrances
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Cocktail batch scaling calculator
Scaling a one-drink card to eight turns 60 ml of gin into 480 ml and 30 ml of lemon juice into 240 ml, with every line multiplied by the same factor.
PPavilion
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Drinks per guest estimator
Twenty guests at a three-hour party need 90 drinks: the estimator multiplies guests by hours by 1.5 drinks per guest per hour, then rounds up to whole drinks…
Ssamurai
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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.

2

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

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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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