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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iOS & AndroidBuilding
WhatsAppComing
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.
⚙️ Developer UtilitiesFree
Password entropy calculator
estimate bits and crack time
K
POST /security/password-entropy-estimate$0.002📈 SEOFree
Suggest Hashtags from Keywords
Lowercase and Camel Case Variants
R
POST /seo/hashtag-suggest-from-keywords$0.002⚙️ Developer UtilitiesFree
Generate an Esports Double-Elimination Bracket
M
POST /sports/esports-bracket-seed-matchups$0.002⚙️ Developer UtilitiesFree
Emoji shortcode lookup
convert :smile: to an emoji
K
POST /str/emoji-shortcode-lookup$0.002✅ ValidationFree
Minimum accessible font size checker for body, captions and buttons
F
POST /verify/accessibility-font-size-min-check$0.002✅ ValidationFree
Compare two file checksums
check whether they match
R
POST /verify/file-checksum-compare$0.002✅ ValidationFree
Touch target size checker
test minimum tap area
M
POST /verify/touch-target-size-check$0.002✅ ValidationFree
WCAG text spacing checker
test line, letter and word spacing
B
POST /verify/wcag-text-spacing-check$0.002🕸️ Web Scraping & MonitoringFree
Domain name suggestions
generate brandable patterns by TLD
K
POST /web/domain-name-suggest$0.002🕸️ Web Scraping & MonitoringFree
Domain renewal cost calculator for multiple years and discounts
R
POST /web/domain-renewal-cost-multi-year$0.002🕸️ Web Scraping & MonitoringFree
Compare internet plan cost per Mbps
value calculator
K
POST /web/internet-plan-cost-per-mbps$0.002🕸️ Web Scraping & MonitoringFree
Username Generator
Create Seeded Name Suggestions
F
POST /web/username-suggest$0.002✍️ Text & AIFree
Generate a social bio from a template
fit any character limit
B
POST /write/bio-template-fill$0.002✍️ Text & AIFree
Social post caption template
fill captions by tone
K
POST /write/caption-template-fill$0.002✍️ Text & AIFree
Generate a slogan from a template
deterministic brand taglines
B
POST /write/slogan-template-fill$0.002⚙️ Developer UtilitiesFree
Lucas number calculator: L_n from L0=2, L1=1, free bigint
S
POST /math/lucas-number$0.002⚙️ Developer UtilitiesFree
Palindrome number checker
same digits forward and back in any base
A
POST /numth/palindrome-number$0.002⚙️ Developer UtilitiesFree
Cividis colormap sample
free
A
POST /color/cividis-sample$0.002⚙️ Developer UtilitiesFree
ΔEITP (BT.2124) calculator
free
A
POST /color/delta-e-itp$0.002⚙️ Developer UtilitiesFree
OKLab ΔE (ΔEOK) calculator
free
A
POST /color/delta-e-ok$0.002⚙️ Developer UtilitiesFree
Paul Tol discrete palettes
free
A
POST /color/tol-palette$0.002⚙️ Developer UtilitiesFree
Google Turbo colormap sample
free
A
POST /color/turbo-sample$0.002⚙️ Developer UtilitiesFree
Yellowness index (ASTM)
free
A
POST /color/yellowness-index$0.002⚙️ Developer UtilitiesFree
Remembrance Sunday date
free
A
POST /date/remembrance-sunday$0.002⚙️ Developer UtilitiesFree
Debt yield calculator
free
A
POST /finance/debt-yield$0.002⚙️ Developer UtilitiesFree
50% rule operating expense estimate
free
A
POST /finance/fifty-percent-rule$0.002⚙️ Developer UtilitiesFree
Gross rent multiplier (GRM)
free
A
POST /finance/gross-rent-multiplier$0.002⚙️ Developer UtilitiesFree
Rule of 72 doubling time
free
A
POST /finance/rule-of-72$0.002⚙️ Developer UtilitiesFree
Andoyer–Lambert distance
free
A
POST /geo/andoyer$0.002⚙️ Developer UtilitiesFree
Hammer projection calculator
free
A
POST /geo/hammer$0.002⚙️ Developer UtilitiesFree
Horizontal sextant angle distance
free
A
POST /geo/horizontal-sextant-angle$0.002⚙️ Developer UtilitiesFree
Polaris latitude calculator
free
A
POST /geo/polaris-latitude$0.002⚙️ Developer UtilitiesFree
Basic proportionality (Thales)
free
A
POST /math/basic-proportionality$0.002⚙️ Developer UtilitiesFree
Isosceles trapezoid calculator
free
A
POST /math/isosceles-trapezoid$0.002⚙️ Developer UtilitiesFree
German number to words
free
A
POST /math/number-to-words-de$0.002⚙️ Developer UtilitiesFree
Italian number to words
free
A
POST /math/number-to-words-it$0.002⚙️ Developer UtilitiesFree
Portuguese number to words
free
A
POST /math/number-to-words-pt$0.002⚙️ Developer UtilitiesFree
Oblique cone volume calculator
free
A
POST /math/oblique-cone$0.002⚙️ Developer UtilitiesFree
German ordinal words
free
A
POST /math/ordinal-words-de$0.002⚙️ Developer UtilitiesFree
Prolate spheroid calculator
free
A
POST /math/prolate-spheroid$0.002⚙️ Developer UtilitiesFree
Ptolemy theorem calculator
free
A
POST /math/ptolemy-theorem$0.002⚙️ Developer UtilitiesFree
Spherical law of cosines
free
A
POST /math/spherical-law-of-cosines$0.002⚙️ Developer UtilitiesFree
French words to number
free
A
POST /math/words-to-number-fr$0.002⚙️ Developer UtilitiesFree
Fréchet distribution calculator
free
A
POST /stat/frechet-dist$0.002✍️ Text & AIFree
CSV field escape (RFC 4180)
free online
A
POST /text/csv-escape$0.002✍️ Text & AIFree
Glob to regex converter
free online
A
POST /text/glob-to-regex$0.002✍️ Text & AIFree
Grapheme count calculator
free online
A
POST /text/grapheme-count$0.002✍️ Text & AIFree
Markdown escape
free online
A
POST /text/markdown-escape$0.002✍️ Text & AIFree
Parentheses / brackets balance checker
free
A
POST /text/paren-balance$0.002✍️ Text & AIFree
Path parts splitter
free online
A
POST /text/path-parts$0.002✍️ Text & AIFree
Template placeholder extractor
free online
A
POST /text/placeholder-extract$0.002✍️ Text & AIFree
ROT47 encoder/decoder
free online
A
POST /text/rot47$0.002✍️ Text & AIFree
SemVer compare (2.0.0)
free online
A
POST /text/semver-compare$0.002✍️ Text & AIFree
Shell escape (POSIX)
free online
A
POST /text/shell-escape$0.002✍️ Text & AIFree
UTF-8 hex encoder
free online
A
POST /text/utf8-hex$0.002✍️ Text & AIFree
Call-to-action strength checker
score CTA clarity and urgency
B
POST /write/cta-strength-check$0.002✍️ Text & AIFree
Check email subject line length
mobile truncation, free
A
POST /write/email-subject-length-check$0.002✍️ Text & AIFree
Check readability for a target audience by grade level
B
POST /write/readability-by-audience$0.002✍️ Text & AIFree
Classify text overall tone from a custom word lexicon
K
POST /write/tone-word-classify$0.002✍️ Text & AIFree
Word count by paragraph
find paragraphs that are too long or short
F
POST /write/word-count-by-paragraph$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.