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
Dodecahedron surface area calculator
total surface from edge length free
PPavilion
POST /geom/dodecahedron-surface$0.002
⚙️ Developer UtilitiesFree
Ellipse area calculator
A = πab from semi-axes free online
PPavilion
POST /geom/ellipse-area$0.002
⚙️ Developer UtilitiesFree
Ellipse directrix calculator
distance from center via semi-axes
Ssamurai
POST /geom/ellipse-directrix$0.002
⚙️ Developer UtilitiesFree
Ellipse foci calculator
focal distance and foci from semi-axes
Aabuela
POST /geom/ellipse-foci$0.002
⚙️ Developer UtilitiesFree
Ellipse latus rectum calculator
semi-latus rectum and L from semi-axes
PPavilion
POST /geom/ellipse-latus-rectum$0.002
⚙️ Developer UtilitiesFree
Ellipse perimeter calculator
Ramanujan first approximation from semi-axes
Aabuela
POST /geom/ellipse-perimeter-ramanujan$0.002
⚙️ Developer UtilitiesFree
Ellipse circumference
Ramanujan's second approximation free
PPavilion
POST /geom/ellipse-perimeter-ramanujan2$0.002
⚙️ Developer UtilitiesFree
Ellipse segment area calculator
area from semi-axes and cut line
Aabuela
POST /geom/ellipse-segment-area$0.002
⚙️ Developer UtilitiesFree
Ellipse general to standard form calculator
center, semi-axes, equation
Aabuela
POST /geom/ellipse-standard-form$0.002
⚙️ Developer UtilitiesFree
Ellipsoid semi-axis from volume calculator
third axis from V, a, b
Aabuela
POST /geom/ellipsoid-axis-volume$0.002
⚙️ Developer UtilitiesFree
Ellipsoid surface area calculator
approximate area from three semi-axes
Aabuela
POST /geom/ellipsoid-surface$0.002
⚙️ Developer UtilitiesFree
Equilateral triangle area from side calculator
free
Ssamurai
POST /geom/equilateral-area$0.002
⚙️ Developer UtilitiesFree
External tangent length calculator
two circles radii and distance
Ssamurai
POST /geom/external-tangent-two-circles$0.002
⚙️ Developer UtilitiesFree
Foot of perpendicular calculator
point to line ax+by+c=0
Ssamurai
POST /geom/foot-of-perpendicular$0.002
⚙️ Developer UtilitiesFree
Conical frustum slant height calculator
two radii and height
PPavilion
POST /geom/frustum-slant-height$0.002
⚙️ Developer UtilitiesFree
Hendecagon apothem calculator
inradius from side length
PPavilion
POST /geom/hendecagon-apothem$0.002
⚙️ Developer UtilitiesFree
Hendecagon area calculator
regular 11-gon from side length, free
Aabuela
POST /geom/hendecagon-area$0.002
⚙️ Developer UtilitiesFree
Hendecagon area from apothem
regular hendecagon area calculator
PPavilion
POST /geom/hendecagon-area-apothem$0.002
⚙️ Developer UtilitiesFree
Heptagon area calculator
regular heptagon from side length, free
Aabuela
POST /geom/heptagon-area$0.002
⚙️ Developer UtilitiesFree
Heptagon area from apothem calculator
regular 7-gon, free
Aabuela
POST /geom/heptagon-area-apothem$0.002
⚙️ Developer UtilitiesFree
Heptagon circumradius calculator
regular heptagon from side length, free
Aabuela
POST /geom/heptagon-circumradius$0.002
⚙️ Developer UtilitiesFree
Heptagon perimeter calculator
P = 7 × side for a regular heptagon
PPavilion
POST /geom/heptagon-perimeter$0.002
⚙️ Developer UtilitiesFree
Hexagon apothem calculator
inradius from side length
Ssamurai
POST /geom/hexagon-apothem$0.002
⚙️ Developer UtilitiesFree
Hexagon area calculator
regular hexagon from side length, free
Aabuela
POST /geom/hexagon-area$0.002
⚙️ Developer UtilitiesFree
Hexagon area from apothem
regular hexagon area calculator
PPavilion
POST /geom/hexagon-area-apothem$0.002
⚙️ Developer UtilitiesFree
Hexagonal antiprism calculator
volume and surface area from edge length
Aabuela
POST /geom/hexagonal-antiprism$0.002
⚙️ Developer UtilitiesFree
Hexagonal bipyramid calculator
volume and surface area
Aabuela
POST /geom/hexagonal-bipyramid$0.002
⚙️ Developer UtilitiesFree
Hollow cylinder volume calculator
material from radii and height
Aabuela
POST /geom/hollow-cylinder$0.002
⚙️ Developer UtilitiesFree
Homothety dilation calculator
image of a point from center and ratio
Ssamurai
POST /geom/homothety$0.002
⚙️ Developer UtilitiesFree
Hyperbola asymptotes calculator
slopes ±b/a from semi-axes
PPavilion
POST /geom/hyperbola-asymptotes$0.002
⚙️ Developer UtilitiesFree
Hyperbola latus rectum calculator
length from semi-axes a and b
Aabuela
POST /geom/hyperbola-latus-rectum$0.002
⚙️ Developer UtilitiesFree
Hyperbola vertices and directrix calculator
from semi-axes a and b
PPavilion
POST /geom/hyperbola-vertices$0.002
⚙️ Developer UtilitiesFree
Icosahedron circumradius calculator
sphere from edge length
Aabuela
POST /geom/icosahedron-circumradius$0.002
⚙️ Developer UtilitiesFree
Icosahedron midradius calculator
midsphere radius from edge length
PPavilion
POST /geom/icosahedron-midradius$0.002
⚙️ Developer UtilitiesFree
Icosahedron surface area calculator
S = 5√3 a² from edge length
Aabuela
POST /geom/icosahedron-surface$0.002
⚙️ Developer UtilitiesFree
Icosidodecahedron calculator
volume and surface area from edge length
PPavilion
POST /geom/icosidodecahedron$0.002
⚙️ Developer UtilitiesFree
Internal tangent length calculator
two circles from radii and distance
Aabuela
POST /geom/internal-tangent-two-circles$0.002
⚙️ Developer UtilitiesFree
Kite area calculator
A = (d1 × d2) / 2 from two diagonals
Aabuela
POST /geom/kite-area$0.002
⚙️ Developer UtilitiesFree
Kite perimeter calculator
P = 2(a + b) from two side lengths
PPavilion
POST /geom/kite-perimeter$0.002
⚙️ Developer UtilitiesFree
Line from intercepts calculator
intercept form x/a + y/b = 1
PPavilion
POST /geom/line-from-intercepts$0.002
⚙️ Developer UtilitiesFree
Line plane intersection calculator
find where a 3D line meets a plane
PPavilion
POST /geom/line-plane-intersection$0.002
⚙️ Developer UtilitiesFree
Line standard form converter
slope and intercept to Ax+By=C
PPavilion
POST /geom/line-standard-form$0.002
⚙️ Developer UtilitiesFree
Lune area calculator
circular lune from two radii and distance
PPavilion
POST /geom/lune-area$0.002
⚙️ Developer UtilitiesFree
Lune of Hippocrates calculator
area equals the right triangle
Aabuela
POST /geom/lune-hippocrates$0.002
⚙️ Developer UtilitiesFree
Manhattan distance calculator
taxicab L1 between two points, free
Aabuela
POST /geom/manhattan-distance$0.002
⚙️ Developer UtilitiesFree
Medial triangle calculator
midpoints, vertices, and area
PPavilion
POST /geom/medial-triangle$0.002
⚙️ Developer UtilitiesFree
Napkin ring volume calculator
spherical band volume from height only
Ssamurai
POST /geom/napkin-ring$0.002
⚙️ Developer UtilitiesFree
Nine-point circle calculator
center and radius from three vertices
PPavilion
POST /geom/nine-point-circle$0.002
⚙️ Developer UtilitiesFree
Nonagon apothem calculator
regular 9-gon from side length, free
Aabuela
POST /geom/nonagon-apothem$0.002
⚙️ Developer UtilitiesFree
Nonagon area from apothem
regular nonagon area calculator
PPavilion
POST /geom/nonagon-area-apothem$0.002
⚙️ Developer UtilitiesFree
Nonagon perimeter calculator
P = 9 × side for a regular nonagon
PPavilion
POST /geom/nonagon-perimeter$0.002
⚙️ Developer UtilitiesFree
Oblique cone volume calculator
V = (1/3)πr²h from radius and height
Aabuela
POST /geom/oblique-cone$0.002
⚙️ Developer UtilitiesFree
Octagon apothem calculator
inradius from side length
Ssamurai
POST /geom/octagon-apothem$0.002
⚙️ Developer UtilitiesFree
Octagon area calculator
regular octagon area from side length
PPavilion
POST /geom/octagon-area$0.002
⚙️ Developer UtilitiesFree
Octagon area from apothem
regular octagon area calculator
PPavilion
POST /geom/octagon-area-apothem$0.002
⚙️ Developer UtilitiesFree
Octagon circumradius calculator
regular octagon from side length, free
Aabuela
POST /geom/octagon-circumradius$0.002
⚙️ Developer UtilitiesFree
Octagonal prism calculator
volume and surface from side and height
Aabuela
POST /geom/octagonal-prism$0.002
⚙️ Developer UtilitiesFree
Octagonal pyramid calculator
volume and surface from side and height
Aabuela
POST /geom/octagonal-pyramid$0.002
⚙️ Developer UtilitiesFree
Octahedron circumradius calculator
circumscribed sphere radius from edge
PPavilion
POST /geom/octahedron-circumradius$0.002
⚙️ Developer UtilitiesFree
Octahedron inradius calculator
inscribed sphere radius from edge length
Aabuela
POST /geom/octahedron-inradius$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.