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
Float to IEEE-754 converter
hex and binary bit pattern, free
PPavilion
POST /fmt/ieee754$0.002
⚙️ Developer UtilitiesFree
Spell a number in English
words for integers, decimals, negatives
Aabuela
POST /fmt/number-to-words-en$0.002
⚙️ Developer UtilitiesFree
Spell a number in Spanish
formal words for any integer, free
AAspire
POST /fmt/number-to-words-es$0.002
⚙️ Developer UtilitiesFree
Percent to decimal converter
percentage to decimal (e.g. 25% → 0.25), free
PPavilion
POST /fmt/percent-decimal$0.002
⚙️ Developer UtilitiesFree
Large Roman numerals converter
vinculum overlines above 3999, free
PPavilion
POST /fmt/roman-large$0.002
⚙️ Developer UtilitiesFree
Number rounding tool
decimals, nearest ten, hundred or thousand, free
AAspire
POST /fmt/rounding$0.002
⚙️ Developer UtilitiesFree
Scientific notation converter
decimal ↔ mantissa×10^n, free
Aabuela
POST /fmt/scientific-notation$0.002
⚙️ Developer UtilitiesFree
Ordinal words converter
spell 1st, 21st, 100th in English
Aabuela
POST /fmt/spell-ordinal$0.002
⚙️ Developer UtilitiesFree
Thai numeral converter
Western digits ↔ Thai ๐-๙ integers, free
AAspire
POST /fmt/thai-numerals$0.002
⚙️ Developer UtilitiesFree
Add thousands separators
format numbers with grouped digits, free
PPavilion
POST /fmt/thousands-separator$0.002
⚙️ Developer UtilitiesFree
Two's complement converter
signed integer ↔ fixed-width binary, free
AAspire
POST /fmt/twos-complement$0.002
⚙️ Developer UtilitiesFree
Antipode coordinates calculator
opposite point on Earth from lat/lon, free
AAspire
POST /geo/antipode$0.002
⚙️ Developer UtilitiesFree
Bearing to compass direction
degrees to N, NNE, NE… free
Aabuela
POST /geo/bearing-to-compass$0.002
⚙️ Developer UtilitiesFree
Point-radius bounding box
min/max lat lon from center, free
PPavilion
POST /geo/bounding-box$0.002
⚙️ Developer UtilitiesFree
Cross-track distance calculator
signed offset from a great-circle path, free
Aabuela
POST /geo/cross-track-distance$0.002
⚙️ Developer UtilitiesFree
Decimal degrees to DMS converter
degrees, minutes, seconds and hemisphere, free
AAspire
POST /geo/decimal-to-dms$0.002
⚙️ Developer UtilitiesFree
Length of a degree of latitude
WGS-84 ground distance, free
Aabuela
POST /geo/degree-length-latitude$0.002
⚙️ Developer UtilitiesFree
Length of a degree of longitude
ground distance at any latitude (WGS84), free
AAspire
POST /geo/degree-length-longitude$0.002
⚙️ Developer UtilitiesFree
Destination point calculator
great-circle lat/lon from bearing and distance, free
AAspire
POST /geo/destination-point$0.002
⚙️ Developer UtilitiesFree
DMS to decimal degrees converter
hemisphere letter, free
PPavilion
POST /geo/dms-to-decimal$0.002
⚙️ Developer UtilitiesFree
Equirectangular distance
fast lat/lon distance approximation, free
PPavilion
POST /geo/equirectangular-distance$0.002
⚙️ Developer UtilitiesFree
Great-circle interpolation
intermediate lat/lon between two points, free
AAspire
POST /geo/geodesic-interpolate$0.002
⚙️ Developer UtilitiesFree
Geohash bounding box
lat/lon corners from geohash, free
Aabuela
POST /geo/geohash-bbox$0.002
⚙️ Developer UtilitiesFree
Geohash neighbors finder
8 adjacent cells, free
PPavilion
POST /geo/geohash-neighbors$0.002
⚙️ Developer UtilitiesFree
Web map scale calculator
zoom, latitude & DPI to 1:N, free
PPavilion
POST /geo/map-scale$0.002
⚙️ Developer UtilitiesFree
Web Mercator meters per pixel
ground resolution from zoom and latitude, free
AAspire
POST /geo/meters-per-pixel$0.002
⚙️ Developer UtilitiesFree
Lat lon to MGRS
military grid reference from coordinates, free
Aabuela
POST /geo/mgrs-from-latlon$0.002
⚙️ Developer UtilitiesFree
MGRS to lat/lon
military grid reference south-west corner to WGS84, free
AAspire
POST /geo/mgrs-to-latlon$0.002
⚙️ Developer UtilitiesFree
Point in polygon checker
test if a point lies inside a polygon, free
AAspire
POST /geo/point-in-polygon$0.002
⚙️ Developer UtilitiesFree
Polygon centroid calculator
area-weighted lat/lon center
Aabuela
POST /geo/polygon-centroid$0.002
⚙️ Developer UtilitiesFree
Bing Maps quadkey decoder
tile X, Y and zoom from a quadkey string, free
AAspire
POST /geo/quadkey-decode$0.002
⚙️ Developer UtilitiesFree
Tile to Bing Maps quadkey
X/Y/zoom to quadkey string, free
Aabuela
POST /geo/quadkey-encode$0.002
⚙️ Developer UtilitiesFree
Rhumb line bearing calculator
constant course between two points, free
PPavilion
POST /geo/rhumb-bearing$0.002
⚙️ Developer UtilitiesFree
Rhumb line destination point
lat/lon from constant bearing and distance, free
AAspire
POST /geo/rhumb-destination$0.002
⚙️ Developer UtilitiesFree
Lat/lon to map tile
Web Mercator slippy X/Y from coordinates and zoom, free
AAspire
POST /geo/tile-from-latlon$0.002
⚙️ Developer UtilitiesFree
Lat lon to UTM converter
zone, easting, northing, free
PPavilion
POST /geo/utm-from-latlon$0.002
⚙️ Developer UtilitiesFree
Vincenty distance calculator
WGS-84 ellipsoidal geodesic, free
Aabuela
POST /geo/vincenty-distance$0.002
⚙️ Developer UtilitiesFree
Web Mercator unproject
meters to lat/lon (EPSG:3857), free
Aabuela
POST /geo/web-mercator-unproject$0.002
⚙️ Developer UtilitiesFree
Arc length calculator
sector area from radius and central angle
PPavilion
POST /geom/arc-length$0.002
⚙️ Developer UtilitiesFree
Barrel volume calculator
estimate cask volume from top radius, middle radius and height
PPavilion
POST /geom/barrel$0.002
⚙️ Developer UtilitiesFree
Circle equation calculator
standard & general form, area, circumference
PPavilion
POST /geom/circle-equation$0.002
⚙️ Developer UtilitiesFree
Circle–line intersection
find 0, 1 or 2 points from center, radius and line
Aabuela
POST /geom/circle-line-intersection$0.002
⚙️ Developer UtilitiesFree
Cube calculator
volume, surface area and diagonals from edge, volume or area
Aabuela
POST /geom/cube$0.002
⚙️ Developer UtilitiesFree
Cylinder volume calculator
lateral and total surface area from radius and height
PPavilion
POST /geom/cylinder$0.002
⚙️ Developer UtilitiesFree
Distance between two points
Euclidean 2D calculator, free
AAspire
POST /geom/distance-2d$0.002
⚙️ Developer UtilitiesFree
Ellipsoid volume calculator
surface area by Knud Thomsen from three semi-axes
PPavilion
POST /geom/ellipsoid$0.002
⚙️ Developer UtilitiesFree
Conical frustum calculator
volume, slant height and surface area from two radii and height
Aabuela
POST /geom/frustum-cone$0.002
⚙️ Developer UtilitiesFree
Pyramid frustum calculator
volume from two base areas and height, free
AAspire
POST /geom/frustum-pyramid$0.002
⚙️ Developer UtilitiesFree
Hemisphere calculator
volume, curved and total surface area, free
AAspire
POST /geom/hemisphere$0.002
⚙️ Developer UtilitiesFree
Heron's formula calculator
triangle area from three side lengths
PPavilion
POST /geom/heron-area$0.002
⚙️ Developer UtilitiesFree
Hexagonal pyramid calculator
volume and surface area from edge and height, free
AAspire
POST /geom/hexagonal-pyramid$0.002
⚙️ Developer UtilitiesFree
Hyperbola calculator
foci, vertices, eccentricity, asymptote slopes
PPavilion
POST /geom/hyperbola$0.002
⚙️ Developer UtilitiesFree
Icosahedron calculator
volume and surface area from edge length, free
AAspire
POST /geom/icosahedron$0.002
⚙️ Developer UtilitiesFree
Line equation from two points
slope-intercept and standard form, free
AAspire
POST /geom/line-equation$0.002
⚙️ Developer UtilitiesFree
Midpoint calculator
center of a segment between two points
Aabuela
POST /geom/midpoint$0.002
⚙️ Developer UtilitiesFree
Oblique prism volume
Cavalieri from base area and perpendicular height
Aabuela
POST /geom/oblique-prism$0.002
⚙️ Developer UtilitiesFree
Octahedron calculator
volume, surface area, inradius and circumradius from edge
Aabuela
POST /geom/octahedron$0.002
⚙️ Developer UtilitiesFree
Parabola calculator
vertex, focus, directrix and axis, free
AAspire
POST /geom/parabola$0.002
⚙️ Developer UtilitiesFree
Paraboloid volume calculator
volume of revolution from base radius and height
Aabuela
POST /geom/paraboloid$0.002
⚙️ Developer UtilitiesFree
Parallel or perpendicular lines
slopes, relation and angle
Aabuela
POST /geom/parallel-perpendicular$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.