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.

🗂️ Data & FilesFree
XML to JSON
attributes kept, free in your browser
NNitro
POST /data/xml-to-json$0.002
🗂️ Data & FilesFree
JSON to XML
free in your browser, or by API
NNitro
POST /data/json-to-xml$0.002
🗂️ Data & FilesFree
YAML to JSON
convert either way, free online
NNitro
POST /data/yaml-json$0.002
🗂️ Data & FilesFree
Validate JSON Schema
the exact error path, free
NNitro
POST /data/json-validate$0.002
🗂️ Data & FilesAPI
Repair broken JSON
commas, quotes, cut LLM output
NNitro
POST /data/json-repair$0.003
🗂️ Data & FilesFree
Format JSON
pretty-print online, free in your browser
NNitro
POST /data/json-format$0.002
🗂️ Data & FilesFree
Minify JSON
strip whitespace, free in your browser
NNitro
POST /data/json-minify$0.002
🗂️ Data & FilesFree
JSON to HTML table
a styled table, free online
NNitro
POST /data/json-to-html$0.002
🗂️ Data & FilesFree
Clean a CSV
trim, fix encoding, drop empties, free
NNitro
POST /data/clean-csv$0.002
🗂️ Data & FilesFree
Remove duplicate rows
dedupe a CSV, free online
NNitro
POST /data/dedupe-csv$0.002
🗂️ Data & FilesAPI
Fuzzy dedupe
catch duplicates not spelled the same
NNitro
POST /data/dedupe-semantic$0.002
🗂️ Data & FilesFree
Merge & join CSV files
inner, left and outer joins
NNitro
POST /data/merge-csv$0.002
🗂️ Data & FilesFree
Transform a CSV
rename, compute and reshape columns
NNitro
POST /data/transform-csv$0.002
🗂️ Data & FilesFree
Filter CSV rows
keep only what matches, free online
NNitro
POST /data/filter-csv$0.002
🗂️ Data & FilesFree
CSV statistics
profile nulls, ranges, distributions
NNitro
POST /data/csv-stats$0.002
🗂️ Data & FilesAPI
Normalize names & addresses
one clean record from ten
NNitro
POST /data/normalize-names$0.003
🗂️ Data & FilesFree
Normalize dates
any format in, ISO-8601 out, free
NNitro
POST /data/normalize-dates$0.002
🗂️ Data & FilesFree
Convert to UTF-8
detect encoding, fix mojibake, free
NNitro
POST /data/to-utf8$0.002
🗂️ Data & FilesFree
Compare text
line, word and character diff, free
NNitro
POST /data/diff$0.002
🗂️ Data & FilesFree
Create a ZIP from text entries
free in your browser
NNitro
POST /data/zip$0.002
🗂️ Data & FilesFree
Unzip a file
list and extract archives, free online
NNitro
POST /data/unzip$0.002
🗂️ Data & FilesFree
Gzip
compress and decompress: gzip, deflate, brotli
NNitro
POST /data/gzip$0.002
🗂️ Data & FilesFree
Mock data generator
realistic test fixtures, free
NNitro
POST /data/fake$0.002
🗂️ Data & FilesFree
Markdown to HTML
CommonMark and GFM, free online
NNitro
POST /data/markdown-to-html$0.002
🗂️ Data & FilesFree
HTML to Markdown
clean Markdown from messy HTML
NNitro
POST /data/html-to-markdown$0.002
🗂️ Data & FilesFree
HTML to text
strip tags, keep it readable, free
NNitro
POST /data/html-to-text$0.002
🗂️ Data & FilesFree
Sanitize HTML
strip XSS from user HTML, free online
NNitro
POST /data/html-sanitize$0.002
🗂️ Data & FilesFree
Minify HTML
shrink markup without breaking it, free
NNitro
POST /data/html-minify$0.002
🗂️ Data & FilesFree
Minify CSS
shrink stylesheets, free in your browser
NNitro
POST /data/css-minify$0.002
🗂️ Data & FilesFree
Minify JavaScript
no build step, free in your browser
NNitro
POST /data/js-minify$0.002
🗂️ Data & FilesFree
Convert units
length, weight, volume, temperature, free
NNitro
POST /data/convert-units$0.002
🗂️ Data & FilesFree
Convert colors
HEX, RGB, HSL, LAB and CMYK, free
NNitro
POST /data/color-convert$0.002
✅ ValidationFree
Check an email address
free in your browser, RFC-correct
NNitro
POST /verify/email-syntax$0.002
✅ ValidationAPI
Verify an email exists
syntax, domain and MX
NNitro
POST /verify/email-mx$0.002
✅ ValidationAPI
Spot throwaway emails
block temporary signups
NNitro
POST /verify/email-disposable$0.002
✅ ValidationFree
Find role emails
spot info@, admin@, free in your browser
NNitro
POST /verify/email-role$0.002
✅ ValidationFree
Fix email typos
catch gmial.com free in your browser
NNitro
POST /verify/email-typo$0.002
✅ ValidationAPI
Clean your email list
verify your own subscribers
NNitro
POST /verify/email-batch$0.002
✅ ValidationFree
Validate a phone number
normalise to E.164 in your browser
NNitro
POST /verify/phone$0.002
✅ ValidationAPI
Look up a phone carrier
country, carrier and line type
NNitro
POST /verify/phone-carrier$0.002
✅ ValidationFree
Validate an IBAN
checksum and country format, in-browser
NNitro
POST /verify/iban$0.002
✅ ValidationFree
Check a SWIFT/BIC code
format check, free in your browser
NNitro
POST /verify/swift$0.002
✅ ValidationAPI
Check an EU VAT number
verified against VIES
NNitro
POST /verify/vat$0.002
✅ ValidationFree
Check a tax ID format
40+ countries, free in your browser
NNitro
POST /verify/tax-id$0.002
✅ ValidationFree
Validate a card number
Luhn check, nothing ever stored
NNitro
POST /verify/card-luhn$0.002
✅ ValidationFree
Detect a card brand
Visa, Mastercard, Amex in-browser
NNitro
POST /verify/card-type$0.002
✅ ValidationAPI
Locate an IP address
country, city and ASN
NNitro
POST /verify/ip-geo$0.002
✅ ValidationAPI
Detect VPN and proxy
flag datacenter and Tor
NNitro
POST /verify/ip-vpn$0.002
✅ ValidationAPI
Score bot traffic
how likely a request is automated
NNitro
POST /verify/bot-score$0.002
✅ ValidationFree
Validate a URL
parse and normalise, free in your browser
NNitro
POST /verify/url$0.002
✅ ValidationAPI
Screen a link for danger
check URLs before the click
NNitro
POST /verify/url-safe$0.002
✅ ValidationAPI
Detect phishing
score an email or page for red flags
NNitro
POST /verify/phishing$0.003
✅ ValidationFree
Detect injection attacks
flag SQLi and XSS in your browser
NNitro
POST /verify/injection$0.002
✅ ValidationFree
Check password strength
entropy and time-to-crack, in-browser
NNitro
POST /verify/password$0.002
✅ ValidationAPI
Validate a postal address
parse and correct
NNitro
POST /verify/address$0.003
✅ ValidationFree
Check a postal code
200+ countries, free in your browser
NNitro
POST /verify/postal-code$0.002
✅ ValidationFree
Validate a barcode
EAN, UPC and ISBN check digits in-browser
NNitro
POST /verify/barcode$0.002
✅ ValidationFree
Parse a user agent
browser, OS and device, in your browser
NNitro
POST /verify/user-agent$0.002
⚙️ Developer UtilitiesFree
Generate a UUID
v4, v7 or ULID, free in your browser
NNitro
POST /dev/uuid$0.002
⚙️ Developer UtilitiesFree
Hash a string
SHA-256, SHA-512, MD5 or SHA-1, free
NNitro
POST /dev/hash$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.