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.

⚙️ Developer UtilitiesFree
Sign and verify a payload
HMAC, free in your browser
NNitro
POST /dev/hmac$0.002
⚙️ Developer UtilitiesFree
Decode a JWT
read the claims and verify the signature
NNitro
POST /dev/jwt-decode$0.002
⚙️ Developer UtilitiesFree
Create a signed JWT
HS256 or RS256, free in browser
NNitro
POST /dev/jwt-sign$0.002
⚙️ Developer UtilitiesFree
Generate a 2FA code
TOTP authenticator codes, free
NNitro
POST /dev/totp$0.002
⚙️ Developer UtilitiesFree
Encrypt text
AES-256-GCM, your key, never stored
NNitro
POST /dev/encrypt$0.002
⚙️ Developer UtilitiesFree
Generate a password
strong and random, free in browser
NNitro
POST /dev/password-gen$0.002
⚙️ Developer UtilitiesFree
Encode and decode Base64
standard or URL-safe, free
NNitro
POST /dev/base64$0.002
⚙️ Developer UtilitiesFree
Encode and decode a URL
percent-encoding done right
NNitro
POST /dev/url-encode$0.002
⚙️ Developer UtilitiesFree
Make a URL slug
clean slugs from any language, free
NNitro
POST /dev/slug$0.002
⚙️ Developer UtilitiesFree
Convert between time zones
DST handled right, free
NNitro
POST /dev/timezone$0.002
⚙️ Developer UtilitiesFree
Convert a Unix timestamp
epoch to date and back, free
NNitro
POST /dev/epoch$0.002
⚙️ Developer UtilitiesFree
Count business days
with holidays for 100+ countries
NNitro
POST /dev/business-days$0.002
⚙️ Developer UtilitiesFree
Explain a cron expression
in plain words, free
NNitro
POST /dev/cron-explain$0.002
⚙️ Developer UtilitiesFree
See the next cron runs
the next N times, free in browser
NNitro
POST /dev/cron-next$0.002
⚙️ Developer UtilitiesAPI
Schedule a webhook
cron without a server, published price
NNitro
POST /dev/cron-webhook$0.002
⚙️ Developer UtilitiesAPI
Schedule a delayed callback
in 30 minutes or 30 days
NNitro
POST /dev/delay$0.002
⚙️ Developer UtilitiesAPI
Shorten a link
on your own domain, published price
NNitro
POST /dev/short-url$0.002
⚙️ Developer UtilitiesAPI
Track link clicks
referrers and geography, per link
NNitro
POST /dev/short-url-stats$0.002
⚙️ Developer UtilitiesFree
Make a QR code
URL, WiFi, vCard or text, free
NNitro
POST /dev/qr-generate$0.002
⚙️ Developer UtilitiesFree
Add a logo to a QR code
branded and still scannable
NNitro
POST /dev/qr-logo$0.002
⚙️ Developer UtilitiesAPI
Edit a QR after printing
change where it points, priced
NNitro
POST /dev/qr-dynamic$0.002
⚙️ Developer UtilitiesFree
Read a QR code
decode it from an image, free
NNitro
POST /dev/qr-decode$0.002
⚙️ Developer UtilitiesFree
Make a barcode
EAN, UPC, Code128, Code39 or ITF, free
NNitro
POST /dev/barcode-generate$0.002
⚙️ Developer UtilitiesAPI
Read a barcode from a photo
scan it, published price
NNitro
POST /dev/barcode-decode$0.002
⚙️ Developer UtilitiesFree
Create a vCard
standards-compliant contact cards, free
NNitro
POST /dev/vcard$0.002
⚙️ Developer UtilitiesFree
Create a calendar invite
works in every client, free
NNitro
POST /dev/ical$0.002
⚙️ Developer UtilitiesFree
Build UTM campaign links
consistent and parseable, free
NNitro
POST /dev/utm$0.002
⚙️ Developer UtilitiesAPI
Generate a regex
describe it, get the pattern and tests
NNitro
POST /dev/regex-generate$0.003
⚙️ Developer UtilitiesAPI
Explain a regex
understand the pattern you inherited
NNitro
POST /dev/regex-explain$0.003
⚙️ Developer UtilitiesAPI
Explain code
a function in plain language, priced by size
NNitro
POST /dev/code-explain$0.003
⚙️ Developer UtilitiesAPI
Document your code
docstrings and docs from source
NNitro
POST /dev/code-document$0.003
⚙️ Developer UtilitiesAPI
Turn a question into SQL
a query against your schema
NNitro
POST /dev/text-to-sql$0.003
⚙️ Developer UtilitiesAPI
Generate a JSON Schema
inferred from example payloads
NNitro
POST /dev/json-schema-gen$0.003
⚙️ Developer UtilitiesAPI
Generate unit tests
including the edge cases you forgot
NNitro
POST /dev/unit-tests$0.003
⚙️ Developer UtilitiesAPI
Write a commit message
conventional commits from a diff
NNitro
POST /dev/commit-message$0.003
⚙️ Developer UtilitiesAPI
Generate a README
a real one from your repository
NNitro
POST /dev/readme$0.003
⚙️ Developer UtilitiesFree
Reshape a webhook payload
between two systems, free
NNitro
POST /dev/webhook-transform$0.002
⚙️ Developer UtilitiesFree
Sign and verify webhooks
outgoing and incoming, free
NNitro
POST /dev/webhook-sign$0.002
⚙️ Developer UtilitiesAPI
Run hundreds of HTTP requests
fan out, collect results
NNitro
POST /dev/http-batch$0.002
⚙️ Developer UtilitiesAPI
Generate placeholder text
actually about your topic
NNitro
POST /dev/lorem$0.003
🔍 Semantic Search & RAGAPI
Get text embeddings
for search, clustering and RAG
NNitro
POST /search/embed$0.002
🔍 Semantic Search & RAGAPI
Embed a whole corpus
one job, published price, or by API
NNitro
POST /search/embed-batch$0.002
🔍 Semantic Search & RAGAPI
Index your text
chunk, embed and store, no vector DB
NNitro
POST /search/index-text$0.002
🔍 Semantic Search & RAGAPI
Index PDFs and scans
into one searchable index
NNitro
POST /search/index-document$0.010
🔍 Semantic Search & RAGAPI
Index a website
crawl a site for semantic search
NNitro
POST /search/index-url$0.040
🔍 Semantic Search & RAGAPI
Search by meaning
not by keyword
NNitro
POST /search/semantic$0.002
🔍 Semantic Search & RAGAPI
Hybrid search
keyword and vector, fused into one ranking
NNitro
POST /search/hybrid$0.002
🔍 Semantic Search & RAGAPI
Rerank results
reorder by true relevance
NNitro
POST /search/rerank$0.002
🔍 Semantic Search & RAGAPI
Find similar documents
«more like this» for any corpus
NNitro
POST /search/similar-docs$0.002
🔍 Semantic Search & RAGAPI
Reverse image search
find similar images in your library
NNitro
POST /search/similar-images$0.002
🔍 Semantic Search & RAGAPI
Recommend related content
without a recommender team
NNitro
POST /search/recommend$0.002
🔍 Semantic Search & RAGAPI
Cluster texts
group thousands by theme
NNitro
POST /search/cluster$0.002
🔍 Semantic Search & RAGAPI
Detect outliers
find the records that don't belong
NNitro
POST /search/outliers$0.002
🔍 Semantic Search & RAGAPI
Match products
supplier SKUs to your catalogue
NNitro
POST /search/match-products$0.002
🔍 Semantic Search & RAGAPI
Ask your documents
answers grounded in your own files
NNitro
POST /rag/answer$0.003
🔍 Semantic Search & RAGAPI
Answers with citations
every claim traced to its source
NNitro
POST /rag/answer-sources$0.003
🔍 Semantic Search & RAGAPI
Chat with a PDF
ask questions, get cited answers
NNitro
POST /rag/chat-pdf$0.003
🔍 Semantic Search & RAGAPI
Chat with a website
a bot that only knows your site
NNitro
POST /rag/chat-website$0.003
🔍 Semantic Search & RAGAPI
Build an FAQ bot
answers from your help centre
NNitro
POST /rag/faq-bot$0.003
🔍 Semantic Search & RAGAPI
Rewrite queries
turn a vague question into a searchable one
NNitro
POST /rag/query-rewrite$0.003

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.