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.
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7554ready-made tools
6channels
1API & key
$0.002per call, from
The full catalog
Search or filter by category. Every capability is its own endpoint with a published price.
🕸️ Web Scraping & MonitoringFree
HTTP status code lookup
find the reason phrase and category
K
POST /web/http-status-lookup$0.002🕸️ Web Scraping & MonitoringFree
Convert JSON to CSV
strict online converter
K
POST /web/json-to-csv$0.002🕸️ Web Scraping & MonitoringFree
Convert JSON to YAML Online
K
POST /web/json-to-yaml$0.002🕸️ Web Scraping & MonitoringFree
Validate JSON syntax
find parsing errors online
K
POST /web/json-validate$0.002🕸️ Web Scraping & MonitoringFree
Generate HTML meta tags from a title and description
K
POST /web/meta-tags-generate$0.002🕸️ Web Scraping & MonitoringFree
MIME type lookup by extension
find a file media type
K
POST /web/mime-type-lookup$0.002🕸️ Web Scraping & MonitoringFree
Generate Open Graph tags for social sharing
K
POST /web/open-graph-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate a deterministic random password from a seed
K
POST /web/password-generate$0.002🕸️ Web Scraping & MonitoringFree
Build a QR code payload string for URL, WiFi, vCard, SMS or email
K
POST /web/qr-payload-build$0.002🕸️ Web Scraping & MonitoringFree
Parse URL query string into a key-value object
K
POST /web/query-string-parse$0.002🕸️ Web Scraping & MonitoringFree
Test regex against samples and inspect captured groups
K
POST /web/regex-test$0.002🕸️ Web Scraping & MonitoringFree
Generate robots.txt from crawler rules and a sitemap URL
K
POST /web/robots-txt-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate sitemap XML from a URL list
K
POST /web/sitemap-xml-generate$0.002🕸️ Web Scraping & MonitoringFree
Check slug uniqueness and format
detect URL collisions
B
POST /web/slug-uniqueness-check$0.002🕸️ Web Scraping & MonitoringFree
Format SQL and Pretty-Print Queries Online
K
POST /web/sql-format$0.002🕸️ Web Scraping & MonitoringFree
Convert SVG to data URI for CSS
safe URL encoder
F
POST /web/svg-to-data-uri$0.002🕸️ Web Scraping & MonitoringFree
Twitter Card meta tag generator
create social preview tags
K
POST /web/twitter-card-generate$0.002🕸️ Web Scraping & MonitoringFree
URL encode and decode
RFC 3986 percent encoding
K
POST /web/url-encode-decode$0.002🕸️ Web Scraping & MonitoringFree
Parse a User-Agent string into browser, OS, and device
K
POST /web/user-agent-parse$0.002🕸️ Web Scraping & MonitoringFree
Build a UTM tracking link with encoded campaign parameters
K
POST /web/utm-link-build$0.002🕸️ Web Scraping & MonitoringFree
Viewport meta tag generator for responsive web pages
M
POST /web/viewport-meta-generate$0.002🕸️ Web Scraping & MonitoringFree
Format XML online
pretty-print and validate XML
K
POST /web/xml-format$0.002🕸️ Web Scraping & MonitoringFree
Convert YAML to JSON Online
K
POST /web/yaml-to-json$0.002⚙️ Developer UtilitiesFree
Calculate exact age
years, months and days
R
POST /calc2/age-calculate$0.002⚙️ Developer UtilitiesFree
Calculate body mass index
metric or imperial BMI
R
POST /calc2/bmi-calculate$0.002⚙️ Developer UtilitiesFree
Count business days between dates
weekdays and holidays
R
POST /calc2/business-days-count$0.002⚙️ Developer UtilitiesFree
Compound interest calculator
final amount and interest earned
G
POST /calc2/compound-interest$0.002⚙️ Developer UtilitiesFree
Convert currency with a given exchange rate
G
POST /calc2/currency-convert-static$0.002⚙️ Developer UtilitiesFree
Calculate days between dates
days, weeks and months
R
POST /calc2/date-difference$0.002⚙️ Developer UtilitiesFree
Get the day of the week from a date
weekday calculator
R
POST /calc2/day-of-week-from-date$0.002⚙️ Developer UtilitiesFree
Calculate discounted price, final cost, and total savings
F
POST /calc2/discount-price$0.002⚙️ Developer UtilitiesFree
Calculate trip fuel cost from distance, efficiency and fuel price
B
POST /calc2/fuel-cost-trip$0.002⚙️ Developer UtilitiesFree
Calculate GPA from grades and credit hours
F
POST /calc2/gpa-calculate$0.002⚙️ Developer UtilitiesFree
Calculate target heart rate zones with the Karvonen method
B
POST /calc2/heart-rate-zones$0.002⚙️ Developer UtilitiesFree
Ideal weight range calculator
Devine and Robinson estimates
R
POST /calc2/ideal-weight-range$0.002⚙️ Developer UtilitiesFree
Check if a year is a leap year
Gregorian leap year calculator
R
POST /calc2/leap-year-check$0.002⚙️ Developer UtilitiesFree
Convert percentage to letter grade
standard or custom scale
R
POST /calc2/letter-grade-from-percent$0.002⚙️ Developer UtilitiesFree
Calculate a loan amortization schedule row
G
POST /calc2/loan-amortization-row$0.002⚙️ Developer UtilitiesFree
Calculate loan monthly payment with interest
F
POST /calc2/loan-monthly-payment$0.002⚙️ Developer UtilitiesFree
Calculate macronutrient split from calories and percentages
F
POST /calc2/macro-split-calculate$0.002⚙️ Developer UtilitiesFree
Estimate one-rep max with the Epley formula
K
POST /calc2/one-rep-max-estimate$0.002⚙️ Developer UtilitiesFree
Calculate overtime pay from hourly rate, hours, and multiplier
F
POST /calc2/overtime-pay$0.002⚙️ Developer UtilitiesFree
Convert running pace to speed
min/km, min/mile, km/h and mph
K
POST /calc2/pace-to-speed-convert$0.002⚙️ Developer UtilitiesFree
Calculate percentage change
increase or decrease calculator
R
POST /calc2/percentage-change$0.002⚙️ Developer UtilitiesFree
Calculate percentage of an amount
percentage calculator
R
POST /calc2/percentage-of-amount$0.002⚙️ Developer UtilitiesFree
Simplify and scale a ratio
2 or 3 terms to any total
R
POST /calc2/ratio-simplify$0.002⚙️ Developer UtilitiesFree
Retirement savings future value calculator
F
POST /calc2/retirement-future-value$0.002⚙️ Developer UtilitiesFree
Calculate pre-tax price from total
reverse sales tax
F
POST /calc2/reverse-sales-tax$0.002⚙️ Developer UtilitiesFree
Convert salary to hourly rate
annual and hourly pay calculator
R
POST /calc2/salary-hourly-convert$0.002⚙️ Developer UtilitiesFree
Calculate price with sales tax
tax amount and total
F
POST /calc2/sales-tax-add$0.002⚙️ Developer UtilitiesFree
Calculate time to reach a savings goal with monthly contributions
F
POST /calc2/savings-goal-time$0.002⚙️ Developer UtilitiesFree
Calculate simple interest
interest earned and final amount
F
POST /calc2/simple-interest$0.002⚙️ Developer UtilitiesFree
Estimate body frame size from height and wrist measurement
B
POST /calc3/body-frame-size-estimate$0.002⚙️ Developer UtilitiesFree
Calculate calories from macros
protein, carbs and fat
K
POST /calc3/calories-to-macros-reverse$0.002⚙️ Developer UtilitiesFree
Price ladder calculator
markup prices for every customer tier
R
POST /calc3/markup-price-ladder$0.002⚙️ Developer UtilitiesFree
Convert ratio to percentage
percentage of each part
M
POST /calc3/ratio-to-percentage-convert$0.002⚙️ Developer UtilitiesFree
Rule of three calculator
solve direct and inverse proportions
M
POST /calc3/rule-of-three-solve$0.002⚙️ Developer UtilitiesFree
Split a shared expense by unequal shares
F
POST /calc3/split-expenses-unequal-shares$0.002⚙️ Developer UtilitiesFree
Feels-like temperature calculator
wind chill or heat index automatically
F
POST /calc3/temperature-feels-like-wind-or-humidity$0.002⚙️ Developer UtilitiesFree
Convert cooking measurements
metric and imperial by ingredient
R
POST /calc3/unit-conversion-cooking-metric-imperial$0.002No capabilities match your search.
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.