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.
📈 SEOFree
Canonical tag conflict checker
find URL mismatches and cross-domain risk
R
POST /seo/canonical-conflict-check$0.002📈 SEOFree
Duplicate content checker
compare text with shingles
B
POST /seo/duplicate-content-check$0.002📈 SEOFree
Check heading structure hierarchy
find H1 and level errors
R
POST /seo/heading-structure-check$0.002📈 SEOFree
Check hreflang tag consistency and reciprocal links
R
POST /seo/hreflang-conflict-check$0.002📈 SEOFree
Check image filename SEO
descriptive, hyphenated image names
K
POST /seo/image-filename-check$0.002📈 SEOFree
SEO keyword density report
count usage and detect over-optimization
B
POST /seo/keyword-density-report$0.002📈 SEOFree
Meta description length checker
test the 120–160 character range
M
POST /seo/meta-description-check$0.002📈 SEOFree
Pagination rel prev and next tag checker
K
POST /seo/pagination-tags-check$0.002📈 SEOFree
SEO content readability grade
check audience fit
F
POST /seo/readability-grade$0.002📈 SEOFree
Robots meta tag checker
explain directives and find conflicts
M
POST /seo/robots-meta-check$0.002📈 SEOFree
Schema.org type fields lookup
required and recommended properties
B
POST /seo/schema-type-lookup$0.002📈 SEOFree
SERP snippet preview
check title, URL and description length
F
POST /seo/serp-snippet-preview$0.002📈 SEOFree
Check URL slug SEO quality
length, stop words and keyword relevance
M
POST /seo/slug-seo-check$0.002📈 SEOFree
Title click-worthiness score
check numbers, power words and questions
M
POST /seo/title-click-bait-score$0.002📈 SEOFree
Title vs meta description overlap checker
F
POST /seo/title-description-similarity$0.002📈 SEOFree
SEO title length checker
estimate Google pixel width
F
POST /seo/title-length-check$0.002📈 SEOFree
Compare word count to benchmark
SEO content length checker
B
POST /seo/word-count-benchmark$0.002⚙️ Developer UtilitiesFree
Daily trip budget calculator
allocate lodging, food and activities
F
POST /travel2/trip-budget-per-day$0.002🎬 VideoFree
Compute video aspect ratio crop
centered crop box calculator
F
POST /video/aspect-ratio-crop$0.002🎬 VideoFree
Video bitrate calculator for a target file size
B
POST /video/compress-target-size$0.002🎬 VideoFree
Video container and codec compatibility checker
B
POST /video/container-compatibility$0.002🎬 VideoFree
Video frame rate conversion calculator
frames and duration
R
POST /video/framerate-convert$0.002🎬 VideoFree
Freeze Frame Duration Calculator
Find the New Video Length
K
POST /video/freeze-frame-duration$0.002🎬 VideoFree
GIF frame count calculator
estimate conversion size
K
POST /video/gif-frame-count$0.002🎬 VideoFree
Check video loop seam compatibility from frame colors
R
POST /video/loop-seamless-check$0.002🎬 VideoFree
Audio video sync offset calculator
fix sound lead or lag
R
POST /video/mux-audio-offset$0.002🎬 VideoFree
Estimate video render time from duration and encoder speed
B
POST /video/render-time-estimate$0.002🎬 VideoFree
Video resolution scale calculator
480p, 720p, 1080p and 4K
K
POST /video/resolution-convert$0.002🎬 VideoFree
Video speed change duration calculator
playback time and pitch
F
POST /video/speed-change-duration$0.002🎬 VideoFree
Generate a Storyboard Shot List Template
F
POST /video/storyboard-shot-list$0.002🎬 VideoFree
Convert SRT subtitles to WebVTT online
R
POST /video/subtitle-srt-to-vtt$0.002🎬 VideoFree
Compute video thumbnail timestamps evenly
K
POST /video/thumbnail-timestamps$0.002🎬 VideoFree
Trim video by timestamp
validate range and clip duration
B
POST /video/trim-by-timestamp$0.002🎬 VideoFree
Video watermark position calculator
get corner coordinates
B
POST /video/watermark-position$0.002🎬 VideoFree
B-Roll to A-Roll Ratio Checker for Video Edits
K
POST /video2/b-roll-ratio-check$0.002🎬 VideoFree
Drop-frame vs non-drop timecode checker and frame calculator
F
POST /video2/drop-frame-timecode-check$0.002🎬 VideoFree
Video export preset lookup by platform
codec, resolution and bitrate
R
POST /video2/export-preset-lookup$0.002🎬 VideoFree
Calculate total render queue time and completion time
B
POST /video2/render-queue-time-total$0.002🕸️ Web Scraping & MonitoringFree
Resolve a relative URL against a base URL
R
POST /web/absolute-url-resolve$0.002🕸️ Web Scraping & MonitoringFree
Barcode check digit calculator for EAN-13, UPC-A and Code 128
K
POST /web/barcode-check-digit$0.002🕸️ Web Scraping & MonitoringFree
Base32 Encode and Decode Online
RFC 4648 Converter
K
POST /web/base32-convert$0.002🕸️ Web Scraping & MonitoringFree
Generate a CSS border-radius value
K
POST /web/border-radius-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate a CSS box-shadow value
K
POST /web/box-shadow-generate$0.002🕸️ Web Scraping & MonitoringFree
Breadcrumb Schema Generator
Create BreadcrumbList JSON-LD
B
POST /web/breadcrumb-schema-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate a canonical link tag from any valid HTTP URL
R
POST /web/canonical-tag-generate$0.002🕸️ Web Scraping & MonitoringFree
Check color contrast ratio
WCAG AA and AAA test
K
POST /web/color-contrast-check$0.002🕸️ Web Scraping & MonitoringFree
Convert CSS color formats
HEX, RGB, HSL and CMYK
K
POST /web/color-format-convert$0.002🕸️ Web Scraping & MonitoringFree
Compute next cron run times from any schedule
K
POST /web/cron-next-runs$0.002🕸️ Web Scraping & MonitoringFree
Generate a CSS linear or radial gradient
K
POST /web/css-gradient-generate$0.002🕸️ Web Scraping & MonitoringFree
CSS Selector Specificity Calculator
K
POST /web/css-specificity-calc$0.002🕸️ Web Scraping & MonitoringFree
Sort CSS selectors by specificity
M
POST /web/css-specificity-sort$0.002🕸️ Web Scraping & MonitoringFree
CSS unit converter
convert px, em, rem and pt
K
POST /web/css-unit-convert$0.002🕸️ Web Scraping & MonitoringFree
Convert CSV to JSON
strict online converter
K
POST /web/csv-to-json$0.002🕸️ Web Scraping & MonitoringFree
Generate FAQ JSON-LD
create FAQPage schema markup
R
POST /web/faq-schema-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate favicon HTML tags for browsers and Apple touch icons
K
POST /web/favicon-meta-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate a .gitignore template for your development stack
K
POST /web/gitignore-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate a text hash
MD5, SHA-1, SHA-256, SHA-512 or CRC32
K
POST /web/hash-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate hreflang tags for multilingual pages
F
POST /web/hreflang-tags-generate$0.002🕸️ Web Scraping & MonitoringFree
Generate .htaccess redirect rules for 301 and 302 redirects
K
POST /web/htaccess-redirect-generate$0.002🕸️ Web Scraping & MonitoringFree
HTML Entity Encoder and Decoder
Convert Named Entities
K
POST /web/html-entity-convert$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.