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.

🖼️ ImagesAPI
Caption an image
describe what's in the picture
NNitro
POST /image/caption$0.010
🖼️ ImagesAPI
Auto-tag images
label a whole media library
NNitro
POST /image/tag$0.010
🖼️ ImagesAPI
Classify images
sort them into your own categories
NNitro
POST /image/classify$0.010
🖼️ ImagesAPI
Detect objects
find and locate with bounding boxes
NNitro
POST /image/detect-objects$0.010
🖼️ ImagesAPI
Detect NSFW content
moderate uploads before they go live
NNitro
POST /image/moderate$0.010
🖼️ ImagesAPI
Check image quality
reject blurry or dark uploads
NNitro
POST /image/quality$0.010
🖼️ ImagesAPI
Image to prompt
reverse-engineer a generation prompt
NNitro
POST /image/prompt-from-image$0.010
🖼️ ImagesAPI
Text to image
generate pictures from a prompt
NNitro
POST /image/generate$0.002
🖼️ ImagesAPI
Image variations
generate alternatives of a picture
NNitro
POST /image/variations$0.002
🖼️ ImagesAPI
Generate banners
ad and hero banners from a brief
NNitro
POST /image/banner$0.002
🖼️ ImagesAPI
Product mockups
place your product in a generated scene
NNitro
POST /image/product-mockup$0.002
🖼️ ImagesSoon
Remove the background
clean cutouts
NNitro
POST /image/remove-background$0.061
🖼️ ImagesSoon
Replace the background
any colour or scene, soon
NNitro
POST /image/replace-background$0.062
🖼️ ImagesTemporarily withdrawn
Upscale an image
2x and 4x, coming soon
NNitro
POST /image/upscale$0.061
🖼️ ImagesTemporarily withdrawn
Colorize photos
bring black-and-white to colour, soon
NNitro
POST /image/colorize$0.062
🖼️ ImagesSoon
Denoise an image
clean grain from low-light shots, soon
NNitro
POST /image/denoise$0.062
🖼️ ImagesSoon
Product packshots
pure-white product photos, soon
NNitro
POST /image/packshot$0.062
🖼️ ImagesSoon
Product shadow
add a natural drop shadow
NNitro
POST /image/shadow$0.062
🎧 Audio & VoiceAPI
Transcribe audio
90+ languages, published price
NNitro
POST /audio/transcribe$0.004
🎧 Audio & VoiceAPI
Transcript with timestamps
word-level timings
NNitro
POST /audio/transcribe-timestamps$0.002
🎧 Audio & VoiceAPI
Subtitles as .srt
ready-to-ship captions from any audio
NNitro
POST /audio/subtitles-srt$0.002
🎧 Audio & VoiceAPI
WebVTT captions
subtitles for HTML5 video
NNitro
POST /audio/subtitles-vtt$0.002
🎧 Audio & VoiceAPI
Identify speakers
who said what, and when
NNitro
POST /audio/diarize$0.002
🎧 Audio & VoiceAPI
Detect the spoken language
from any recording
NNitro
POST /audio/detect-language$0.002
🎧 Audio & VoiceAPI
Translate audio
hear one language, get another, published price
NNitro
POST /audio/translate$0.004
🎧 Audio & VoiceAPI
Summarize audio
an hour of talk, one page that matters
NNitro
POST /audio/summarize$0.004
🎧 Audio & VoiceAPI
Meeting minutes
decisions, owners and next steps, from audio
NNitro
POST /audio/meeting-notes$0.004
🎧 Audio & VoiceAPI
Action items
pull the to-dos out of any conversation
NNitro
POST /audio/action-items$0.004
🎧 Audio & VoiceAPI
Podcast chapters
timestamped chapters, generated for you
NNitro
POST /audio/chapters$0.004
🎧 Audio & VoiceAPI
Show notes
publish-ready notes from the episode audio
NNitro
POST /audio/show-notes$0.004
🎧 Audio & VoiceAPI
Keywords from audio
the topics inside any recording
NNitro
POST /audio/keywords$0.004
🎧 Audio & VoiceAPI
Audio to a blog post
turn a recording into an article
NNitro
POST /audio/to-blog$0.004
🎧 Audio & VoiceAPI
Moderate spoken audio
flag toxic or unsafe content
NNitro
POST /audio/moderate$0.004
🎧 Audio & VoiceAPI
Clean up a transcript
remove filler, fix punctuation
NNitro
POST /audio/clean-transcript$0.003
🎧 Audio & VoiceAPI
Search words in audio
find every mention, with timestamps
NNitro
POST /audio/search$0.002
🎧 Audio & VoiceAPI
Text to speech
natural voice audio from any text
NNitro
POST /voice/tts$0.005
🎧 Audio & VoiceAPI
SSML text to speech
control pauses, emphasis, pronunciation
NNitro
POST /voice/tts-ssml$0.002
🎧 Audio & VoiceAPI
Spanish text to speech
native Spanish voices from any text
NNitro
POST /voice/tts-es$0.002
🎧 Audio & VoiceSoon
Convert audio
MP3, WAV, OGG, M4A, FLAC
NNitro
POST /audio/convert$0.077
🎧 Audio & VoiceSoon
Trim audio
cut a clip out of a longer file
NNitro
POST /audio/trim$0.077
🎧 Audio & VoiceSoon
Normalize loudness
even volume across files
NNitro
POST /audio/normalize$0.077
🎧 Audio & VoiceSoon
Remove silence
strip dead air from a recording
NNitro
POST /audio/remove-silence$0.077
🎧 Audio & VoiceSoon
Reduce audio noise
clean up hiss and hum
NNitro
POST /audio/denoise$0.077
🎧 Audio & VoiceSoon
Merge audio
join several clips into one track
NNitro
POST /audio/merge$0.077
🎧 Audio & VoiceSoon
Split audio
cut a file into segments
NNitro
POST /audio/split$0.077
🎧 Audio & VoiceSoon
Audio metadata
read and write ID3 tags
NNitro
POST /audio/metadata$0.077
🎧 Audio & VoiceSoon
Waveform image
render a waveform or peaks JSON
NNitro
POST /audio/waveform$0.077
🎬 VideoSoon
Transcribe a video
every spoken word
NNitro
POST /video/transcribe$0.079
🎬 VideoSoon
Add subtitles to a video
auto-generated
NNitro
POST /video/subtitles$0.079
🎬 VideoSoon
Burn subtitles into a video
captions fixed onto the frames
NNitro
POST /video/burn-subtitles$0.077
🎬 VideoSoon
Get the audio from a video
pull out the sound track
NNitro
POST /video/extract-audio$0.077
🎬 VideoSoon
Convert a video
MP4, WebM, MOV, AVI, MKV
NNitro
POST /video/convert$0.077
🎬 VideoSoon
Compress a video
shrink the file for faster web delivery
NNitro
POST /video/compress$0.077
🎬 VideoSoon
Trim a video
cut a clip fast, without re-encoding
NNitro
POST /video/trim$0.077
🎬 VideoSoon
Grab a video thumbnail
a poster frame from any second
NNitro
POST /video/thumbnail$0.077
🎬 VideoSoon
Turn a video into a GIF
optimised animation
NNitro
POST /video/gif$0.077
🎬 VideoSoon
Resize a video
rescale to 1080p, 720p or any size
NNitro
POST /video/resize$0.077
🎬 VideoSoon
Add a watermark to a video
overlay your logo on the clip
NNitro
POST /video/watermark$0.077
🎬 VideoSoon
Extract frames from a video
export images at any interval
NNitro
POST /video/frames$0.077
🎬 VideoSoon
Read a video's metadata
duration, codecs, resolution, bitrate
NNitro
POST /video/metadata$0.077

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.