ForHosting KIT

Everything you need.
One Kit.

Hundreds of ready-made tasks — PDF, images, audio, OCR, text AI, scraping, data and more — behind a single REST API. Send a job, get a finished result by webhook. No servers, no per-model tokens, a price you can read.

REST APILive
EmailLive
Webforhosting.com/kitLive
TelegramLive
iOS & AndroidBuilding
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Get your API key Browse the catalog
7554ready-made tools
6channels
1API & key
$0.002per call, from

New capabilities

Fresh in the kit — just landed.

New⚙️ Developer UtilitiesVolume to density calculatorρ=m/V from mass and volumeAabuela$0.002Open phys.volume_to_density →New⚙️ Developer UtilitiesVoltage regulation calculator% from no-load and full-load VSsamurai$0.002Open phys.voltage_regulation →New⚙️ Developer UtilitiesVickers hardness number calculatorHV from force and diagonalPPavilion$0.002Open phys.vickers_hardness_number →New⚙️ Developer UtilitiesVelocity calculatoraverage v = d/t in metres per secondAabuela$0.002Open phys.velocity →New⚙️ Developer UtilitiesValve flow coefficient calculatorCv from GPM, ΔP and GSsamurai$0.002Open phys.valve_flow_coefficient →New⚙️ Developer UtilitiesBarrel twist rate calculatorGreenhill formula, one turn per inchPPavilion$0.002Open phys.twist_rate →New⚙️ Developer UtilitiesTrue strain calculatorε_t = ln(1+ε) from engineering strainAabuela$0.002Open phys.true_strain →New⚙️ Developer UtilitiesTransmission coefficient calculatorpower T from η₁, η₂Ssamurai$0.002Open phys.transmission →New⚙️ Developer UtilitiesTorsional stiffness calculatorκ = GJ/L in N·m/rad, freePPavilion$0.002Open phys.torsional_stiffness →New⚙️ Developer UtilitiesTorsional spring calculatorκ = E d⁴ / (64 D N), N·mm/radAabuela$0.002Open phys.torsional_spring →New⚙️ Developer UtilitiesToilet paper race mass moment of inertiaI = ½m(ri²+ro²)Ssamurai$0.002Open phys.toilet_paper_race_mass_moment_inertia →New⚙️ Developer UtilitiesTime dilation calculatordilated time from proper time and velocityPPavilion$0.002Open phys.time_dilation →

Popular capabilities

Loved right now, by real traffic.

The full catalog

Search or filter by category. Every capability is its own endpoint with a published price.

⚙️ Developer UtilitiesFree
Yeast amount from flour weight calculator by rise speed
Kkatherine
POST /cook/yeast-amount-by-flour$0.002
⚙️ Developer UtilitiesFree
Béchamel sauce ratio calculator
butter, flour and milk
Ffrances
POST /cook/bechamel-ratio$0.002
⚙️ Developer UtilitiesFree
Brown sugar substitute calculator
white sugar + molasses by weight
Ssamurai
POST /cook/brown-sugar-sub$0.002
⚙️ Developer UtilitiesFree
Buttermilk substitute calculator
milk and acid amounts for any volume
PPavilion
POST /cook/buttermilk-substitute$0.002
⚙️ Developer UtilitiesFree
Caramel sugar-to-cream ratio calculator
cream & butter from sugar weight
PPavilion
POST /cook/caramel-ratio$0.002
⚙️ Developer UtilitiesFree
Choux pastry ratio calculator
scale water, butter, flour and eggs
Kkatherine
POST /cook/choux-ratio$0.002
⚙️ Developer UtilitiesFree
Dark chocolate ganache ratio calculator
cream weight 1:1 from chocolate
Ssamurai
POST /cook/ganache-dark-ratio$0.002
⚙️ Developer UtilitiesFree
Pizza dough ratio calculator
flour, water, salt & yeast from balls
Aabuela
POST /cook/pizza-dough-ratio$0.002
⚙️ Developer UtilitiesFree
Swiss Meringue Buttercream Ratio Calculator
Bbarbara
POST /cook/swiss-buttercream$0.002
⚙️ Developer UtilitiesFree
Dried to Fresh Herb Converter
Calculate the 1:3 Ratio
Ffrances
POST /cook/dried-fresh-herb$0.002
⚙️ Developer UtilitiesFree
Chicken roasting time by weight calculator
Kkatherine
POST /cook/roast-chicken-time$0.002
⚙️ Developer UtilitiesFree
Ham heating time by weight calculator
minutes per pound by type
Aabuela
POST /cook/roast-ham-time$0.002
⚙️ Developer UtilitiesFree
Sour Cream Substitute Calculator
Yogurt or Cream and Acid
Bbarbara
POST /cook/sour-cream-sub$0.002
⚙️ Developer UtilitiesFree
Vegetable blanching time lookup
minutes by vegetable type
Aabuela
POST /cook/blanch-time$0.002
⚙️ Developer UtilitiesFree
Beef steak doneness temperature lookup
rare to well done internal temps
PPavilion
POST /cook/doneness-temp-beef$0.002
⚙️ Developer UtilitiesFree
Boiled egg time by size and doneness calculator
Kkatherine
POST /cook/egg-boil-time$0.002
⚙️ Developer UtilitiesFree
Sous-vide chicken time by thickness calculator
Bbarbara
POST /cook/sousvide-chicken-time$0.002
⚙️ Developer UtilitiesFree
Sous Vide Poultry Pasteurization Time Calculator
Ffrances
POST /cook/sousvide-pasteurize$0.002
⚙️ Developer UtilitiesFree
Turkey thaw time by weight calculator
refrigerator hours from pounds
Ssamurai
POST /cook/turkey-thaw-time$0.002
⚙️ Developer UtilitiesFree
Vegetable ferment salt calculator
salt from veg, water & %
Ssamurai
POST /cook/fermentation-salt$0.002
⚙️ Developer UtilitiesFree
Grain to water ratio lookup
quinoa, barley, farro and more
Ssamurai
POST /cook/grain-water-ratio$0.002
⚙️ Developer UtilitiesFree
Burger grilling time by thickness and doneness calculator
Kkatherine
POST /cook/grill-burger-time$0.002
⚙️ Developer UtilitiesFree
Grilling Fish Time by Thickness Calculator
Ffrances
POST /cook/grill-fish-time$0.002
⚙️ Developer UtilitiesFree
Sauce Reduction Volume Calculator
Find the Final Volume
Bbarbara
POST /cook/reduction-ratio$0.002
⚙️ Developer UtilitiesFree
Vegetable steaming time lookup
how long to steam broccoli, carrots & more
PPavilion
POST /cook/steam-time$0.002
⚙️ Developer UtilitiesFree
Turkey brine recipe calculator
water, salt & sugar by bird weight
Aabuela
POST /cook/turkey-brine$0.002
⚙️ Developer UtilitiesFree
BBQ dry rub scaling calculator by meat weight
Bbarbara
POST /cook/bbq-rub-scale$0.002
⚙️ Developer UtilitiesFree
Bubble tea tapioca ratio calculator
tea, milk and pearls
Kkatherine
POST /cook/bubble-tea-ratio$0.002
⚙️ Developer UtilitiesFree
Chemex coffee ratio calculator
grounds and water by cup
Ffrances
POST /cook/chemex-ratio$0.002
⚙️ Developer UtilitiesFree
Brewed coffee caffeine estimator
mg from bean weight and brew method
Ssamurai
POST /cook/coffee-caffeine-estimate$0.002
⚙️ Developer UtilitiesFree
Coffee water from bean weight calculator
brew ratio water volume
Aabuela
POST /cook/coffee-water-from-beans$0.002
⚙️ Developer UtilitiesFree
Corned beef cure calculator
salt, sugar & cure by meat weight
PPavilion
POST /cook/corned-beef-cure$0.002
⚙️ Developer UtilitiesFree
Pour-over coffee ratio calculator
coffee and water amounts
Kkatherine
POST /cook/pourover-ratio$0.002
⚙️ Developer UtilitiesFree
Beer Bitterness IBU Estimator
Calculate Hop Bitterness
Kkatherine
POST /cook/beer-ibu-estimate$0.002
⚙️ Developer UtilitiesFree
Food calorie density calculator
calories per gram free
PPavilion
POST /cook/calorie-density$0.002
⚙️ Developer UtilitiesFree
Calories per serving from total calculator
Ffrances
POST /cook/calories-per-serving$0.002
⚙️ Developer UtilitiesFree
Cocktail ABV calculator
mixed drink alcohol percentage
Ffrances
POST /cook/cocktail-abv$0.002
⚙️ Developer UtilitiesFree
Cocktail batch scaling calculator
any number of servings
PPavilion
POST /cook/cocktail-scale$0.002
⚙️ Developer UtilitiesFree
Drinks per guest estimator
total drinks from guests and duration
Ssamurai
POST /cook/drinks-per-guest$0.002
⚙️ Developer UtilitiesFree
Party punch batch calculator
scale spirit, juice & mixer by servings
Aabuela
POST /cook/punch-scale$0.002
⚙️ Developer UtilitiesFree
Wine Bottles for Guests Calculator
Bbarbara
POST /cook/wine-bottles-guests$0.002
⚙️ Developer UtilitiesFree
Appetizer count per person calculator
pieces from guests and event style
Ssamurai
POST /cook/appetizer-per-person$0.002
⚙️ Developer UtilitiesFree
Food refrigerator storage time
leftovers, meat and dairy
PPavilion
POST /cook/fridge-storage-time$0.002
⚙️ Developer UtilitiesFree
Servings to total weight calculator
portion weight × count
Bbarbara
POST /cook/portion-to-weight$0.002
⚙️ Developer UtilitiesFree
Cooking start time calculator from serve time and step durations
Ffrances
POST /cook/ready-by-start-time$0.002
⚙️ Developer UtilitiesFree
Recipe total cost calculator
quantity × unit price
Kkatherine
POST /cook/recipe-cost$0.002
⚙️ Developer UtilitiesFree
Side dish quantity per person calculator
guests × portion
Aabuela
POST /cook/side-per-person$0.002
⚙️ Developer UtilitiesFree
Bitwise NAND calculator
inverted AND of two integers, free
Aabuela
POST /dev/bitwise-nand$0.002
⚙️ Developer UtilitiesFree
Population count (popcount) calculator
Hamming weight of set bits
Ssamurai
POST /dev/population-count$0.002
⚙️ Developer UtilitiesFree
Arithmetic right shift calculator
signed bit shift
Kkatherine
POST /dev/arithmetic-shift-right$0.002
⚙️ Developer UtilitiesFree
Bit mask generator
consecutive ones, shift, bin/dec/hex flags
PPavilion
POST /dev/bit-mask-generate$0.002
⚙️ Developer UtilitiesFree
Bitmask flags decoder
find active permission and option flags
Ffrances
POST /dev/bitmask-flags-decode$0.002
⚙️ Developer UtilitiesFree
Byte array to integer calculator
big/little endian, decimal & hex
Ssamurai
POST /dev/bytes-to-integer$0.002
⚙️ Developer UtilitiesFree
Hamming Distance Between Integers Calculator
Bbarbara
POST /dev/hamming-distance-int$0.002
⚙️ Developer UtilitiesFree
Highest set bit position calculator
integer floor log2
Ffrances
POST /dev/highest-set-bit$0.002
⚙️ Developer UtilitiesFree
Test bit at position calculator
check whether a bit is set
Bbarbara
POST /dev/test-bit$0.002
⚙️ Developer UtilitiesFree
Unsigned to signed integer calculator
two's complement reinterpret, free
Aabuela
POST /dev/unsigned-to-signed$0.002
⚙️ Developer UtilitiesFree
Balanced ternary calculator
convert integers using −1, 0 and +1 trits
Kkatherine
POST /dev/balanced-ternary$0.002
⚙️ Developer UtilitiesFree
Bit Length of Integer Calculator
Bbarbara
POST /dev/bit-length-integer$0.002
⚙️ Developer UtilitiesFree
Double-precision float to bits
IEEE-754 binary64 hex and binary layout
PPavilion
POST /dev/ieee754-double-bits$0.002

How it works

1

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

Collect the result

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.

Free tools
$0.00

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

Pay-as-you-go
Per task
$0.002+

The full API — 7500+ capabilities — billed only for what you run, from $0.002 per call. No monthly fee.

Balance
$10.00+

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

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