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
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TelegramLive
iOS & AndroidBuilding
WhatsAppComing
Get your API key Browse the catalog
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_density →New⚙️ Developer UtilitiesVoltage regulation calculator% from no-load and full-load VSsamurai$0.002Open phys.voltage_regulation →New⚙️ Developer UtilitiesVickers hardness number calculatorHV from force and diagonalPPavilion$0.002Open phys.vickers_hardness_number →New⚙️ Developer UtilitiesVelocity calculatoraverage v = d/t in metres per secondAabuela$0.002Open phys.velocity →New⚙️ Developer UtilitiesValve flow coefficient calculatorCv from GPM, ΔP and GSsamurai$0.002Open phys.valve_flow_coefficient →New⚙️ Developer UtilitiesBarrel twist rate calculatorGreenhill formula, one turn per inchPPavilion$0.002Open phys.twist_rate →New⚙️ Developer UtilitiesTrue strain calculatorε_t = ln(1+ε) from engineering strainAabuela$0.002Open phys.true_strain →New⚙️ Developer UtilitiesTransmission coefficient calculatorpower T from η₁, η₂Ssamurai$0.002Open phys.transmission →New⚙️ Developer UtilitiesTorsional stiffness calculatorκ = GJ/L in N·m/rad, freePPavilion$0.002Open phys.torsional_stiffness →New⚙️ Developer UtilitiesTorsional spring calculatorκ = E d⁴ / (64 D N), N·mm/radAabuela$0.002Open phys.torsional_spring →New⚙️ Developer UtilitiesToilet paper race mass moment of inertiaI = ½m(ri²+ro²)Ssamurai$0.002Open phys.toilet_paper_race_mass_moment_inertia →New⚙️ Developer UtilitiesTime dilation calculatordilated time from proper time and velocityPPavilion$0.002Open phys.time_dilation →

Popular capabilities

Loved right now, by real traffic.

The full catalog

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

⚙️ Developer UtilitiesFree
Unicode monospace text
plain letters & digits ↔ 𝙷𝚎𝚕𝚕𝚘 style, free
PPavilion
POST /enc/monospace-unicode$0.002
⚙️ Developer UtilitiesFree
Morbit cipher
encrypt & decrypt Morse digram digits, free
Ssamurai
POST /enc/morbit$0.002
⚙️ Developer UtilitiesFree
MurmurHash3 hash calculator
32-bit hex with optional seed
Ssamurai
POST /enc/murmur3$0.002
⚙️ Developer UtilitiesFree
Japan My Number check digit
compute or validate 12 digits
Aabuela
POST /enc/mynumber-japan$0.002
⚙️ Developer UtilitiesFree
Myszkowski transposition cipher
encrypt decrypt with repeated key letters
Ssamurai
POST /enc/myszkowski$0.002
⚙️ Developer UtilitiesFree
Portuguese NIB check digits
ISO 7064 mod 97-10 free
PPavilion
POST /enc/nib-portugal$0.002
⚙️ Developer UtilitiesFree
Spain NIE control letter
compute or validate the check letter
Aabuela
POST /enc/nie-spain$0.002
⚙️ Developer UtilitiesFree
Polish NIP check digit
compute and validate free online
PPavilion
POST /enc/nip-poland$0.002
⚙️ Developer UtilitiesFree
NPI check digit
compute Luhn with 80840 prefix or validate a 10-digit NPI
Aabuela
POST /enc/npi$0.002
⚙️ Developer UtilitiesFree
Chaldean numerology calculator
reduce a name to its number
PPavilion
POST /enc/numerology-chaldean$0.002
⚙️ Developer UtilitiesFree
Pythagorean numerology calculator
reduce a name to 1–9
Ssamurai
POST /enc/numerology-pythagorean$0.002
⚙️ Developer UtilitiesFree
Numeronym generator
make i18n-style abbreviations, free
PPavilion
POST /enc/numeronym$0.002
⚙️ Developer UtilitiesFree
NYSIIS encoder
New York State phonetic name code, free
Aabuela
POST /enc/nysiis$0.002
⚙️ Developer UtilitiesFree
Ook! encoder and decoder
text ↔ Ook esolang, free
PPavilion
POST /enc/ook-encode$0.002
⚙️ Developer UtilitiesFree
Opish language translator
insert op after consonants, free
Aabuela
POST /enc/opish$0.002
⚙️ Developer UtilitiesFree
Indian PAN card validator
format and entity type free
PPavilion
POST /enc/pan-india$0.002
⚙️ Developer UtilitiesFree
Parity bit calculator
even and odd parity for bytes and bit strings
Aabuela
POST /enc/parity-bit$0.002
⚙️ Developer UtilitiesFree
Sweden personnummer check digit
Luhn over date and serial, or validate
Aabuela
POST /enc/personnummer-sweden$0.002
⚙️ Developer UtilitiesFree
Phone keypad multi-tap encoder
convert text to 2=ABC key presses
PPavilion
POST /enc/phone-multitap$0.002
⚙️ Developer UtilitiesFree
Pigpen cipher
encode & decode Masonic grid symbols free online
Aabuela
POST /enc/pigpen$0.002
⚙️ Developer UtilitiesFree
Police phonetic alphabet
Adam Boy Charlie David, free
Aabuela
POST /enc/police-phonetic$0.002
⚙️ Developer UtilitiesFree
Pollux cipher encoder and decoder
Morse digits key, free
Aabuela
POST /enc/pollux$0.002
⚙️ Developer UtilitiesFree
Porta cipher
encrypt or decrypt with a passphrase, free
PPavilion
POST /enc/porta$0.002
⚙️ Developer UtilitiesFree
Printf format escaper
double percent signs & backslash escapes
Ssamurai
POST /enc/printf-escape$0.002
⚙️ Developer UtilitiesFree
Q-code translator
expand and compress ham radio Q-codes free
PPavilion
POST /enc/q-code$0.002
⚙️ Developer UtilitiesFree
Query string parser
parse and encode URL parameters free
PPavilion
POST /enc/query-string$0.002
⚙️ Developer UtilitiesFree
Q-encoding header encoder
RFC 2047 encode/decode for email headers
PPavilion
POST /enc/quoted-printable-q$0.002
⚙️ Developer UtilitiesFree
Refined Soundex encoder
full-length phonetic name code, free
Aabuela
POST /enc/refined-soundex$0.002
⚙️ Developer UtilitiesFree
Regex metacharacter escaper
literal string ↔ safe pattern
PPavilion
POST /enc/regex-escape$0.002
⚙️ Developer UtilitiesFree
Poland REGON check digit
compute or validate 9- and 14-digit numbers
Aabuela
POST /enc/regon-poland$0.002
⚙️ Developer UtilitiesFree
RFC 1751 S/KEY word encoder
hex keys to English words
PPavilion
POST /enc/rfc1751$0.002
⚙️ Developer UtilitiesFree
Czech rodné číslo check
date and mod-11 validate free
Ssamurai
POST /enc/rodne-cislo$0.002
⚙️ Developer UtilitiesFree
ROT8000 Unicode cipher
encode & decode BMP text, free
Ssamurai
POST /enc/rot8000$0.002
⚙️ Developer UtilitiesFree
ROT-N cipher
rotate letters by any shift N, free online
Ssamurai
POST /enc/rot-n$0.002
⚙️ Developer UtilitiesFree
RTF Unicode escaper
text ↔ \uN decimal control words
PPavilion
POST /enc/rtf-unicode$0.002
⚙️ Developer UtilitiesFree
Ecuador RUC check digit
validate modulo 10/11 free
Ssamurai
POST /enc/ruc-ecuador$0.002
⚙️ Developer UtilitiesFree
Running-key cipher
encrypt & decrypt with a long text key stream
Aabuela
POST /enc/running-key$0.002
⚙️ Developer UtilitiesFree
Unicode sans-serif text
mathematical sans-serif letters & digits, free
Ssamurai
POST /enc/sans-serif-unicode$0.002
⚙️ Developer UtilitiesFree
Unicode cursive script text
fancy mathematical script letters, free
Ssamurai
POST /enc/script-unicode$0.002
⚙️ Developer UtilitiesFree
SEDOL check digit
compute and validate security codes free
PPavilion
POST /enc/sedol$0.002
⚙️ Developer UtilitiesFree
Shell argument quoter
POSIX quote & unquote for safe argv
Aabuela
POST /enc/shell-escape$0.002
⚙️ Developer UtilitiesFree
Monoalphabetic substitution cipher
encrypt & decrypt with a 26-letter key
PPavilion
POST /enc/simple-substitution$0.002
⚙️ Developer UtilitiesFree
Canadian SIN check digit
Luhn for 8 digits or validate a 9-digit SIN
Aabuela
POST /enc/sin-canada$0.002
⚙️ Developer UtilitiesFree
French SIREN Luhn check
compute and validate nine-digit IDs free
PPavilion
POST /enc/siren-france$0.002
⚙️ Developer UtilitiesFree
French SIRET Luhn check
validate 14-digit establishment number
Aabuela
POST /enc/siret-france$0.002
⚙️ Developer UtilitiesFree
Soundex encoder
American Soundex code for names, free
Aabuela
POST /enc/soundex$0.002
⚙️ Developer UtilitiesFree
Spanish spelling alphabet
Antonio Burgos Carmen, free encode & decode
Aabuela
POST /enc/spanish-spelling$0.002
⚙️ Developer UtilitiesFree
SSCC-18 check digit calculator
compute and validate free
Ssamurai
POST /enc/sscc$0.002
⚙️ Developer UtilitiesFree
Germany tax ID check digit
Steuer-ID (Identifikationsnummer) calculator
Aabuela
POST /enc/steuer-id-germany$0.002
⚙️ Developer UtilitiesFree
Unicode strikethrough text
cross out plain messages, free
Ssamurai
POST /enc/strikethrough-unicode$0.002
⚙️ Developer UtilitiesFree
Unicode subscript text
letters & digits ↔ ₀₁₂ style for formulas, free
PPavilion
POST /enc/subscript-unicode$0.002
⚙️ Developer UtilitiesFree
Unicode superscript text
letters and digits to superscript
Aabuela
POST /enc/superscript-unicode$0.002
⚙️ Developer UtilitiesFree
Swedish spelling alphabet
spell or decode Adam Bertil Cesar, free
PPavilion
POST /enc/swedish-spelling$0.002
⚙️ Developer UtilitiesFree
System V sum checksum
sum -s style checksum and block count
Aabuela
POST /enc/sysv-sum$0.002
⚙️ Developer UtilitiesFree
T9 predictive text encoder
letters to keypad digits and back
Aabuela
POST /enc/t9$0.002
⚙️ Developer UtilitiesFree
Police ten-code translator
10-4 meanings and reverse lookup, free
Ssamurai
POST /enc/ten-code$0.002
⚙️ Developer UtilitiesFree
Ubbi Dubbi translator
encode and decode Ubbi Dubbi free
Ssamurai
POST /enc/ubbi-dubbi$0.002
⚙️ Developer UtilitiesFree
UIC wagon number check digit
compute and validate free
Ssamurai
POST /enc/uic-wagon$0.002
⚙️ Developer UtilitiesFree
Unicode escape sequence converter
text ↔ \uXXXX, free
PPavilion
POST /enc/unicode-escape$0.002
⚙️ Developer UtilitiesFree
Unicode NFD normalizer
canonical decomposition, free
PPavilion
POST /enc/unicode-nfd$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.

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.

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