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.
⚙️ Developer UtilitiesFree
Software license seat utilization calculator
usage and available seats
B
POST /biz/software-license-seat-utilization$0.002⚙️ Developer UtilitiesFree
Calculate Net Promoter Score
NPS calculator with classifications
F
POST /biz/survey-nps-score-calculate$0.002⚙️ Developer UtilitiesFree
Calculate Survey Response Rate from Sent and Completed Surveys
B
POST /biz/survey-response-rate-calc$0.002⚙️ Developer UtilitiesFree
Calculate Concrete Volume Needed With Waste Allowance
K
POST /build/concrete-volume-calculate$0.002⚙️ Developer UtilitiesFree
Estimate decking boards needed from area, width, and gap
B
POST /build/deck-board-count-estimate$0.002⚙️ Developer UtilitiesFree
Calculate fence post count and even spacing
F
POST /build/fence-post-spacing-calc$0.002⚙️ Developer UtilitiesFree
Calculate gravel volume for a driveway and estimate its weight
F
POST /build/gravel-volume-calculate$0.002⚙️ Developer UtilitiesFree
Calculate combined insulation R-value from multiple layers
R
POST /build/home-insulation-r-value-combine$0.002⚙️ Developer UtilitiesFree
Estimate HVAC BTU needed for room size
B
POST /build/hvac-btu-room-size-estimate$0.002⚙️ Developer UtilitiesFree
Calculate wallpaper rolls needed with pattern-repeat waste
R
POST /build/wallpaper-roll-estimate$0.002⚙️ Developer UtilitiesFree
Check CMYK rich black vs registration black
K
POST /color/cmyk-rich-black-check$0.002⚙️ Developer UtilitiesFree
Color blind safe palette checker
test protanopia and deuteranopia
R
POST /color/color-blind-safe-palette-check$0.002⚙️ Developer UtilitiesFree
Name a color scheme by mood
classify any hex color
B
POST /color/color-scheme-name-theme$0.002⚙️ Developer UtilitiesFree
Estimate CMYK from a Pantone-style color name lookup
M
POST /color/pantone-cmyk-estimate$0.002⚙️ Developer UtilitiesFree
Seeded random color generator
reproducible hex and color name
B
POST /color/random-color-name-seeded$0.002⚙️ Developer UtilitiesFree
Scale a cocktail recipe to any batch size
R
POST /cook/cocktail-recipe-scale$0.002⚙️ Developer UtilitiesFree
Estimate homebrew ABV from original and final gravity readings
M
POST /cook/home-brew-gravity-abv-estimate$0.002⚙️ Developer UtilitiesFree
Suggest a Wine Pairing Category for a Dish
K
POST /cook/recipe-wine-pairing-category$0.002⚙️ Developer UtilitiesFree
API cost per request estimator
plan usage and overages
K
POST /dev/api-cost-per-request-estimate$0.002⚙️ Developer UtilitiesFree
Backup retention storage calculator with deduplication
F
POST /dev/backup-retention-storage-estimate$0.002⚙️ Developer UtilitiesFree
Cloud instance effective hourly cost and reserved breakeven calculator
B
POST /dev/cloud-instance-cost-per-hour$0.002⚙️ Developer UtilitiesFree
Log retention storage calculator
estimate capacity needed
M
POST /dev/log-retention-storage-estimate$0.002⚙️ Developer UtilitiesFree
SLA uptime credit calculator
calculate service credit owed
R
POST /dev/server-uptime-sla-credit-calc$0.002📄 Documents & PDFFree
Business card bleed calculator
artwork and safe-text dimensions
F
POST /doc/business-card-bleed-layout$0.002📄 Documents & PDFFree
Standard envelope size lookup
inches, millimeters, and uses
B
POST /doc/envelope-size-lookup$0.002📄 Documents & PDFFree
Label sheet grid calculator
labels per page from margins and gutters
K
POST /doc/label-sheet-layout-calc$0.002📄 Documents & PDFFree
Recommend CSS line height for a font size and content type
M
POST /doc/line-height-recommend$0.002📄 Documents & PDFFree
Print bleed and safe margin calculator
full bleed size
R
POST /doc/print-bleed-margin-calc$0.002📄 Documents & PDFFree
Printer Cost per Page Calculator for Ink and Toner
F
POST /doc/print-cost-per-page-estimate$0.002📄 Documents & PDFFree
Optimal reading column width checker
estimate characters per line
F
POST /doc/reading-column-width-check$0.002⚙️ Developer UtilitiesFree
Compost Carbon-to-Nitrogen Ratio Calculator
R
POST /eco/compost-ratio-carbon-nitrogen$0.002⚙️ Developer UtilitiesFree
Estimate solar panels needed for your energy usage
K
POST /eco/solar-panel-count-estimate$0.002⚙️ Developer UtilitiesFree
Build a Code 128 barcode payload and checksum
R
POST /enc/barcode-code128-payload$0.002⚙️ Developer UtilitiesFree
Convert Morse code to a timed light signal pattern
F
POST /enc/morse-light-pattern$0.002⚙️ Developer UtilitiesFree
Build a vCard QR payload string
vCard 3.0 generator
F
POST /enc/qr-vcard-payload$0.002⚙️ Developer UtilitiesFree
Build a WiFi QR payload string for WPA, WEP, or open networks
B
POST /enc/qr-wifi-payload$0.002⚙️ Developer UtilitiesFree
Phone installment payoff calculator
balance and months left
M
POST /fin/phone-upgrade-payoff-calc$0.002⚙️ Developer UtilitiesFree
Compare streaming subscription total cost
monthly and annual
K
POST /fin/streaming-subscription-cost-compare$0.002⚙️ Developer UtilitiesFree
Seeded bingo card generator
reproducible number cards
R
POST /game/bingo-card-seeded$0.002⚙️ Developer UtilitiesFree
Board game playtime calculator
estimate total session length
M
POST /game/board-game-playtime-estimate$0.002⚙️ Developer UtilitiesFree
Card game deck mana curve calculator
check your cost distribution
B
POST /game/card-game-deck-build-ratio$0.002⚙️ Developer UtilitiesFree
D&D Encounter Difficulty Calculator and XP Budget
F
POST /game/dnd-encounter-difficulty-calc$0.002⚙️ Developer UtilitiesFree
Video Game Backlog Completion Time Calculator
R
POST /game/game-backlog-completion-estimate$0.002⚙️ Developer UtilitiesFree
Raffle ticket number generator
padded ranges and seeded shuffle
F
POST /game/raffle-ticket-numbers$0.002⚙️ Developer UtilitiesFree
Seeded random team generator
shuffle people into even teams
B
POST /game/team-shuffle-seeded$0.002⚙️ Developer UtilitiesFree
Trivia night round scoring calculator with wagers and leaderboard
F
POST /game/trivia-night-round-scoring$0.002⚙️ Developer UtilitiesFree
Build a book club reading schedule with meeting checkpoints
B
POST /hobby/book-club-schedule-build$0.002⚙️ Developer UtilitiesFree
Candle Burn Time Remaining and Wax Estimate Calculator
F
POST /hobby/candle-burn-time-estimate$0.002⚙️ Developer UtilitiesFree
Compare appliance total cost of ownership over a fair lifespan
R
POST /home/appliance-lifetime-cost-compare$0.002⚙️ Developer UtilitiesFree
Battery replacement annualized cost calculator
B
POST /home/battery-replacement-cost-per-year$0.002⚙️ Developer UtilitiesFree
Garden bed plant spacing calculator
plan a grid layout
B
POST /home/garden-bed-layout-spacing$0.002⚙️ Developer UtilitiesFree
Calculate grass seed coverage needed for a lawn
M
POST /home/lawn-seed-coverage-calc$0.002⚙️ Developer UtilitiesFree
Calculate mulch volume needed for a garden bed in cubic feet and bags
M
POST /home/mulch-volume-calculate$0.002⚙️ Developer UtilitiesFree
Calculate a seed-starting date from the last frost
K
POST /home/seed-starting-date-backcalculate$0.002🖼️ ImagesFree
Check icon alignment to grid
test every bounding-box edge
B
POST /image/icon-grid-alignment-check$0.002🖼️ ImagesFree
Logo minimum clear space calculator
K
POST /image/logo-clear-space-calc$0.002🖼️ ImagesFree
Build a placeholder image specification with dimensions and colors
K
POST /image/placeholder-image-spec$0.002⚙️ Developer UtilitiesFree
Daily affirmation picker
deterministic choice by date
R
POST /life/affirmation-pick-seeded$0.002⚙️ Developer UtilitiesFree
Seeded icebreaker question picker for work, parties, and family
F
POST /life/icebreaker-question-pick$0.002🌐 TranslationFree
License plate generator from a pattern and seed
K
POST /locale/license-plate-style$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.