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
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_densityNew⚙️ Developer UtilitiesVoltage regulation calculator% from no-load and full-load VSsamurai$0.002Open phys.voltage_regulationNew⚙️ Developer UtilitiesVickers hardness number calculatorHV from force and diagonalPPavilion$0.002Open phys.vickers_hardness_numberNew⚙️ Developer UtilitiesVelocity calculatoraverage v = d/t in metres per secondAabuela$0.002Open phys.velocityNew⚙️ Developer UtilitiesValve flow coefficient calculatorCv from GPM, ΔP and GSsamurai$0.002Open phys.valve_flow_coefficientNew⚙️ Developer UtilitiesBarrel twist rate calculatorGreenhill formula, one turn per inchPPavilion$0.002Open phys.twist_rateNew⚙️ Developer UtilitiesTrue strain calculatorε_t = ln(1+ε) from engineering strainAabuela$0.002Open phys.true_strainNew⚙️ Developer UtilitiesTransmission coefficient calculatorpower T from η₁, η₂Ssamurai$0.002Open phys.transmissionNew⚙️ Developer UtilitiesTorsional stiffness calculatorκ = GJ/L in N·m/rad, freePPavilion$0.002Open phys.torsional_stiffnessNew⚙️ Developer UtilitiesTorsional spring calculatorκ = E d⁴ / (64 D N), N·mm/radAabuela$0.002Open phys.torsional_springNew⚙️ Developer UtilitiesToilet paper race mass moment of inertiaI = ½m(ri²+ro²)Ssamurai$0.002Open phys.toilet_paper_race_mass_moment_inertiaNew⚙️ Developer UtilitiesTime dilation calculatordilated time from proper time and velocityPPavilion$0.002Open phys.time_dilation

The full catalog

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

⚙️ Developer UtilitiesFree
Net carbs calculator
total carbs minus fiber and sugar alcohols
PPavilion
POST /health/net-carbs$0.002
⚙️ Developer UtilitiesFree
Non-HDL cholesterol calculator
total minus HDL free
PPavilion
POST /health/non-hdl-cholesterol$0.002
⚙️ Developer UtilitiesFree
QTc Hodges calculator
corrected QT from QT and heart rate
Aabuela
POST /health/qtc-hodges$0.002
⚙️ Developer UtilitiesFree
Recipe portion scaler
scale ingredients for a new serving count
Aabuela
POST /health/recipe-portion-scaler$0.002
⚙️ Developer UtilitiesFree
Calendar method safe days calculator
Standard Days fertility window
PPavilion
POST /health/safe-days-calendar$0.002
⚙️ Developer UtilitiesFree
Sleep cycle bedtime calculator
bedtimes from wake time in 90-min cycles
Aabuela
POST /health/sleep-cycles-bedtime$0.002
⚙️ Developer UtilitiesFree
Sleep midpoint chronotype calculator
mid-sleep time from bedtime and wake
Aabuela
POST /health/sleep-midpoint$0.002
⚙️ Developer UtilitiesFree
Sweat rate calculator
from pre/post weight, fluid intake and duration
PPavilion
POST /health/sweat-rate$0.002
⚙️ Developer UtilitiesFree
Triglyceride-glucose (TyG) index calculator
insulin resistance marker
Ssamurai
POST /health/tyg-index$0.002
⚙️ Developer UtilitiesFree
Attic insulation depth calculator
inches for a target R-value
Aabuela
POST /home/attic-insulation-depth$0.002
⚙️ Developer UtilitiesFree
Baseboard heater sizing calculator
wattage and length from room area
Aabuela
POST /home/baseboard-heater-sizing$0.002
⚙️ Developer UtilitiesFree
Block wall calculator
CMU blocks and mortar from wall area and face size
Ssamurai
POST /home/block-wall$0.002
⚙️ Developer UtilitiesFree
Brick mortar bag calculator
bags of mix from brick count and coverage
Aabuela
POST /home/brick-mortar-bags$0.002
⚙️ Developer UtilitiesFree
Ceiling fan size calculator
blade span from room square footage
Ssamurai
POST /home/ceiling-fan-size$0.002
⚙️ Developer UtilitiesFree
Chair rail calculator
linear feet and pieces from perimeter, free
Aabuela
POST /home/chair-rail$0.002
⚙️ Developer UtilitiesFree
CMU grout fill calculator
core volume from cells and wall height
PPavilion
POST /home/cmu-grout-fill$0.002
⚙️ Developer UtilitiesFree
Concrete countertop calculator
volume and bags from dimensions
Aabuela
POST /home/concrete-countertop$0.002
⚙️ Developer UtilitiesFree
Concrete mix ratio calculator
cement, sand & gravel by 1:2:3
Aabuela
POST /home/concrete-mix-ratio$0.002
⚙️ Developer UtilitiesFree
Concrete patio calculator
volume and bags from area and thickness free
Ssamurai
POST /home/concrete-patio$0.002
⚙️ Developer UtilitiesFree
Concrete wall calculator
volume and bags from L×H×T free
PPavilion
POST /home/concrete-wall$0.002
⚙️ Developer UtilitiesFree
Concrete control joint calculator
spacing and total linear feet free
Ssamurai
POST /home/control-joints$0.002
⚙️ Developer UtilitiesFree
Deck beam span calculator
allowable span from size, species & joist span
Aabuela
POST /home/deck-beam-span$0.002
⚙️ Developer UtilitiesFree
Deck stain calculator
gallons from deck area, railing and coverage free
PPavilion
POST /home/deck-stain$0.002
⚙️ Developer UtilitiesFree
Diagonal tile layout calculator
extra waste vs straight grid free
Aabuela
POST /home/diagonal-tile$0.002
⚙️ Developer UtilitiesFree
Downspout count calculator
gutters and roof drainage area
PPavilion
POST /home/downspout-count$0.002
⚙️ Developer UtilitiesFree
Drywall tape calculator
joint tape linear feet and rolls from sheets
PPavilion
POST /home/drywall-tape$0.002
⚙️ Developer UtilitiesFree
Drywall texture calculator
bags and gallons from spray area, free
Aabuela
POST /home/drywall-texture$0.002
⚙️ Developer UtilitiesFree
Duct size calculator
supply air from CFM and velocity, free
PPavilion
POST /home/duct-size$0.002
⚙️ Developer UtilitiesFree
Fascia board calculator
linear feet and boards from eave and rake
Aabuela
POST /home/fascia-length$0.002
⚙️ Developer UtilitiesFree
Floor joist calculator
count joists from room width and on-center spacing
PPavilion
POST /home/floor-joist-count$0.002
⚙️ Developer UtilitiesFree
Garage floor tile calculator
interlocking tiles from area, size and waste
Ssamurai
POST /home/garage-floor-tiles$0.002
⚙️ Developer UtilitiesFree
Hardwood flooring calculator
sq ft and boxes with waste
Ssamurai
POST /home/hardwood-floor$0.002
⚙️ Developer UtilitiesFree
Header length calculator
rough opening plus jack stud bearing
Aabuela
POST /home/header-length$0.002
⚙️ Developer UtilitiesFree
HVAC tonnage calculator
AC tons from sq ft and climate zone
Ssamurai
POST /home/hvac-tonnage$0.002
⚙️ Developer UtilitiesFree
LVL beam ply calculator
estimate plies from span and load
Ssamurai
POST /home/lvl-beam-plies$0.002
⚙️ Developer UtilitiesFree
Metal roof screw calculator
screws from panel area and batten spacing
Ssamurai
POST /home/metal-roof-screws$0.002
⚙️ Developer UtilitiesFree
Mortar joint volume calculator
fill volume from unit size and joint width
PPavilion
POST /home/mortar-joint-volume$0.002
⚙️ Developer UtilitiesFree
Nominal to actual lumber size
2x4 true dimensions in inches
PPavilion
POST /home/nominal-actual-lumber$0.002
⚙️ Developer UtilitiesFree
Electrical panel load calculator
size main service amps
Ssamurai
POST /home/panel-load$0.002
⚙️ Developer UtilitiesFree
Paver gravel base calculator
cubic yards from area and compacted depth
Ssamurai
POST /home/paver-gravel-base$0.002
⚙️ Developer UtilitiesFree
Pergola lumber calculator
posts, beams and rafters from size and spacing
Aabuela
POST /home/pergola-lumber$0.002
⚙️ Developer UtilitiesFree
Picture rail calculator
linear feet from perimeter and doors, free
Ssamurai
POST /home/picture-rail$0.002
⚙️ Developer UtilitiesFree
Popcorn ceiling area calculator
soak water for texture removal, free
Aabuela
POST /home/popcorn-ceiling$0.002
⚙️ Developer UtilitiesFree
Rafter count calculator
common rafters from ridge length and OC spacing
Aabuela
POST /home/rafter-count$0.002
⚙️ Developer UtilitiesFree
Rafter overhang length calculator
extra rafter from eave projection, free
PPavilion
POST /home/rafter-overhang$0.002
⚙️ Developer UtilitiesFree
Rebar weight calculator
total steel from length and unit weight per foot
PPavilion
POST /home/rebar-weight$0.002
⚙️ Developer UtilitiesFree
Roof batten calculator
linear feet and rows from area and spacing free
PPavilion
POST /home/roof-batten-count$0.002
⚙️ Developer UtilitiesFree
Roof dead load calculator
psf from roofing, sheathing and framing
Aabuela
POST /home/roof-dead-load$0.002
⚙️ Developer UtilitiesFree
Roof pitch multiplier calculator
slope area factor and roof angle
Ssamurai
POST /home/roof-pitch-multiplier$0.002
⚙️ Developer UtilitiesFree
Roofing felt underlayment calculator
rolls from area and coverage free
Ssamurai
POST /home/roofing-felt$0.002
⚙️ Developer UtilitiesFree
Spray foam insulation calculator
board feet & kits from area and R
PPavilion
POST /home/spray-foam$0.002
⚙️ Developer UtilitiesFree
Stair headroom calculator
floor-to-floor, angle and opening vs code
PPavilion
POST /home/stair-headroom$0.002
⚙️ Developer UtilitiesFree
Stair stringer length calculator
diagonal cut from rise and run
Ssamurai
POST /home/stair-stringer-length$0.002
⚙️ Developer UtilitiesFree
Starter strip shingle calculator
pieces for eaves and rakes
Aabuela
POST /home/starter-shingles$0.002
⚙️ Developer UtilitiesFree
Tile spacer calculator
estimate spacers from tile count and corners
Ssamurai
POST /home/tile-spacers$0.002
⚙️ Developer UtilitiesFree
TPO membrane roll calculator
rolls from roof area, size and seam overlap
PPavilion
POST /home/tpo-membrane$0.002
⚙️ Developer UtilitiesFree
Trim paint calculator
quarts and gallons from linear feet and width
Ssamurai
POST /home/trim-paint$0.002
⚙️ Developer UtilitiesFree
Vinyl plank flooring calculator
boxes from room area, coverage and waste
PPavilion
POST /home/vinyl-plank$0.002
⚙️ Developer UtilitiesFree
Wall plate lumber calculator
LF & boards (bottom 1 + top 2)
PPavilion
POST /home/wall-plates$0.002
⚙️ Developer UtilitiesFree
Wall sheathing calculator
4x8 sheets from exterior wall area, free
Aabuela
POST /home/wall-sheathing-sheets$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.

Balance
$10.00+

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