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
WhatsAppComing
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
Free float calculator
shares available for public trading
Aabuela
POST /fin/free-float$0.002
⚙️ Developer UtilitiesFree
Full-time equivalent calculator
FTE from hours and standard
PPavilion
POST /fin/full-time-equivalent$0.002
⚙️ Developer UtilitiesFree
Future salary calculator
project pay from raise and years
Aabuela
POST /fin/future-salary$0.002
⚙️ Developer UtilitiesFree
Future value calculator
FV from PV, rate and periods
Aabuela
POST /fin/future-value$0.002
⚙️ Developer UtilitiesFree
Futures contract calculator
profit or loss from size and prices
PPavilion
POST /fin/futures-contract$0.002
⚙️ Developer UtilitiesFree
GDP calculator
expenditure approach from C + I + G + (X − M)
PPavilion
POST /fin/gdp$0.002
⚙️ Developer UtilitiesFree
GDP gap calculator
actual vs potential GDP (amount and %)
Aabuela
POST /fin/gdp-gap$0.002
⚙️ Developer UtilitiesFree
GDP growth calculator
decimal rate from two GDP values
PPavilion
POST /fin/gdp-growth$0.002
⚙️ Developer UtilitiesFree
Georgia overtime calculator
40-hour week, time-and-a-half
Aabuela
POST /fin/georgia-overtime$0.002
⚙️ Developer UtilitiesFree
Gift of equity calculator
reportable gift from FMV and sale price
PPavilion
POST /fin/gift-of-equity$0.002
⚙️ Developer UtilitiesFree
Gold melt value calculator
weight, karats and spot per gram
Aabuela
POST /fin/gold-melt$0.002
⚙️ Developer UtilitiesFree
Goodwill calculator
acquisition goodwill from purchase price
PPavilion
POST /fin/goodwill$0.002
⚙️ Developer UtilitiesFree
Google AdSense calculator
estimate earnings from page views
Aabuela
POST /fin/google-adsense$0.002
⚙️ Developer UtilitiesFree
Graham number calculator
max defensible stock price from EPS
PPavilion
POST /fin/graham-number$0.002
⚙️ Developer UtilitiesFree
Gratuity calculator
end-of-service payout from salary and years
Aabuela
POST /fin/gratuity$0.002
⚙️ Developer UtilitiesFree
Gross margin calculator
amount and percent from revenue and COGS
PPavilion
POST /fin/gross-margin$0.002
⚙️ Developer UtilitiesFree
Gross rent multiplier calculator
price ÷ annual rent, free
Aabuela
POST /fin/gross-rent-multiplier$0.002
⚙️ Developer UtilitiesFree
Gross to net calculator
take-home pay from salary, tax, deductions
PPavilion
POST /fin/gross-to-net$0.002
⚙️ Developer UtilitiesFree
Growing annuity calculator
PV and FV from payment, growth and rate
Aabuela
POST /fin/growing-annuity$0.002
⚙️ Developer UtilitiesFree
GRP calculator
gross rating points from reach and frequency
PPavilion
POST /fin/grp$0.002
⚙️ Developer UtilitiesFree
GST calculator
tax amount and gross price from net, free
Aabuela
POST /fin/gst$0.002
⚙️ Developer UtilitiesFree
GST QST calculator
Canadian tax amounts and total, free
PPavilion
POST /fin/gst-qst$0.002
⚙️ Developer UtilitiesFree
GTIN check digit calculator
GS1 mod-10 from leading digits
Aabuela
POST /fin/gtin-check-digit$0.002
⚙️ Developer UtilitiesFree
Hedge ratio calculator
optimal futures hedge from correlation
PPavilion
POST /fin/hedge-ratio$0.002
⚙️ Developer UtilitiesFree
HELOC calculator
monthly payment and credit line
Aabuela
POST /fin/heloc$0.002
⚙️ Developer UtilitiesFree
HHI calculator
Herfindahl-Hirschman Index from market shares
PPavilion
POST /fin/hhi$0.002
⚙️ Developer UtilitiesFree
High-low method calculator
fixed and variable cost per unit
Aabuela
POST /fin/high-low-method$0.002
⚙️ Developer UtilitiesFree
Home improvement loan calculator
monthly payment and total cost
PPavilion
POST /fin/home-improvement-loan$0.002
⚙️ Developer UtilitiesFree
Home loan calculator
monthly payment on a fixed-rate loan
Aabuela
POST /fin/home-loan$0.002
⚙️ Developer UtilitiesFree
Home loan EMI calculator
monthly payment from principal and tenure
PPavilion
POST /fin/home-loan-emi$0.002
⚙️ Developer UtilitiesFree
Home mortgage calculator
monthly payment and amortization totals
Aabuela
POST /fin/home-mortgage$0.002
⚙️ Developer UtilitiesFree
US home value calculator
estimate from purchase price and index
PPavilion
POST /fin/home-value-us$0.002
⚙️ Developer UtilitiesFree
Hourly to annual salary
yearly pay from wage and weekly hours free
Aabuela
POST /fin/hourly-to-annual-salary$0.002
⚙️ Developer UtilitiesFree
Hourly to salary with overtime
weekly and annual pay from rate
PPavilion
POST /fin/hourly-to-salary-with-overtime$0.002
⚙️ Developer UtilitiesFree
Hours pay calculator
hours, rate and overtime multiplier to gross
Aabuela
POST /fin/hours-pay$0.002
⚙️ Developer UtilitiesFree
HR software ROI calculator
savings vs software and implementation cost
PPavilion
POST /fin/hr-software-roi$0.002
⚙️ Developer UtilitiesFree
Illinois income tax calculator
4.95% flat rate, tax owed
Aabuela
POST /fin/illinois-tax$0.002
⚙️ Developer UtilitiesFree
Australian income tax calculator
tax payable and effective rate
PPavilion
POST /fin/income-tax-australia$0.002
⚙️ Developer UtilitiesFree
Information ratio calculator
active return over tracking error
Aabuela
POST /fin/information-ratio$0.002
⚙️ Developer UtilitiesFree
Interest rate calculator
implied rate from principal, FV, n
PPavilion
POST /fin/interest-rate$0.002
⚙️ Developer UtilitiesFree
Intrinsic value calculator
DCF from free cash flow, free
Aabuela
POST /fin/intrinsic-value$0.002
⚙️ Developer UtilitiesFree
Investment fees calculator
future value with and without fees
PPavilion
POST /fin/investment-fees$0.002
⚙️ Developer UtilitiesFree
Labor cost calculator
hours, hourly rate and payroll burden
Aabuela
POST /fin/labor-cost$0.002
⚙️ Developer UtilitiesFree
Land loan payment calculator
monthly payment from amount and term
PPavilion
POST /fin/land-loan-payment$0.002
⚙️ Developer UtilitiesFree
Lease mileage calculator
overage cost from miles and rate
Aabuela
POST /fin/lease-mileage$0.002
⚙️ Developer UtilitiesFree
Lerner index calculator
market power from price and cost
PPavilion
POST /fin/lerner-index$0.002
⚙️ Developer UtilitiesFree
Lifetime earnings calculator
salary, raise, and working years
Aabuela
POST /fin/lifetime-earnings$0.002
⚙️ Developer UtilitiesFree
Liquid net worth calculator
cash, securities minus liabilities
PPavilion
POST /fin/liquid-net-worth$0.002
⚙️ Developer UtilitiesFree
Loan comparison calculator
which of two loans is cheaper
Aabuela
POST /fin/loan-comparison$0.002
⚙️ Developer UtilitiesFree
Loan interest calculator
total interest from principal and term
PPavilion
POST /fin/loan-interest$0.002
⚙️ Developer UtilitiesFree
Loss ratio calculator
incurred losses over earned premiums
Aabuela
POST /fin/loss-ratio$0.002
⚙️ Developer UtilitiesFree
Lost wages assistance calculator
weekly benefit times eligible weeks
PPavilion
POST /fin/lost-wages-assistance$0.002
⚙️ Developer UtilitiesFree
LTV calculator
loan-to-value ratio as a percent
Aabuela
POST /fin/ltv$0.002
⚙️ Developer UtilitiesFree
Lumpsum plus SIP calculator
future value of both
PPavilion
POST /fin/lumpsum-plus-sip$0.002
⚙️ Developer UtilitiesFree
Margin calculator
profit margin from revenue and COGS
Aabuela
POST /fin/margin$0.002
⚙️ Developer UtilitiesFree
Margin call calculator
stock price that triggers a call
Aabuela
POST /fin/margin-call$0.002
⚙️ Developer UtilitiesFree
Margin-discount calculator
list price that preserves target margin
PPavilion
POST /fin/margin-discount$0.002
⚙️ Developer UtilitiesFree
Marginal cost calculator
extra unit cost from ΔTC and ΔQ
PPavilion
POST /fin/marginal-cost$0.002
⚙️ Developer UtilitiesFree
Bertrand paradox calculator
random chord vs triangle side
PPavilion
POST /stat/betrand-paradox$0.002
⚙️ Developer UtilitiesFree
Chebyshev's theorem calculator
min proportion within k σ
PPavilion
POST /stat/chebyshevs-theorem$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.

Recharge balance