User Agent Parser parses user agent strings to extract browser, operating system, and hardware details. It identifies device types, CPU architecture, and bot traffic, so you can run user agent detection on every incoming HTTP request.

Username Generator creates handle suggestions from a person's name or email address. It returns an array of suggested usernames based on the input, while paid plans can request multiple options at once.

Username Profanity flags offensive or inappropriate usernames before they reach your database. Send any candidate handle to receive a clear true or false profanity check result.

UTM Coordinate Converter provides bidirectional conversion between UTM (Universal Transverse Mercator) coordinates and latitude/longitude using WGS84 datum.

UUID Generator is a UUID generator API that produces random RFC 4122 version 4 UUIDs on demand. Request single IDs or batches in standard lowercase, uppercase, or strings without hyphens.

Variable Name Converter transforms variable names between different naming conventions including camelCase, snake_case, PascalCase, and kebab-case.

VAT Rates is a European VAT rates API: send a two-letter country code and get the current VAT rates for that country as JSON, with the full standard, reduced, super-reduced and parking set for EU members plus the UK, and standard rates for non-EU countries such as Switzerland and Norway. Paid plans add historical rates by date and regional exceptions by postcode.

VIN Decoder turns a 17-character Vehicle Identification Number into the vehicle it identifies. Returns make, model, year, trim, body class and manufacturer, plus engine specifications, plant of manufacture, and the safety equipment fitted to that specific build. Optionally adds every safety recall issued for that vehicle and its NHTSA 5-star crash-test rating.

Visa Requirements tells you what a passport holder needs to enter another country: no visa, an electronic travel authorization, an eVisa, a visa on arrival, a visa arranged in advance, or entry restricted. It also returns the allowed stay in days where one is set. Paid plans can list every destination for one passport.

Vowel Counter analyzes text to count vowels and consonants, providing detailed breakdowns and percentages for linguistic analysis.

VPN Proxy Detector checks any IP address to detect active VPN connections and cloud datacenter hosting. Lookups return boolean flags for VPN and datacenter status plus the verification date, with paid tiers adding Tor detection and risk levels.

Weather Alerts returns the severe weather warnings, watches and advisories in effect right now for any point or state in the United States, straight from the National Weather Service. Each alert names the event, how severe and urgent it is, the area covered, when it starts and ends, and what to do.

Weather is a current weather API that reports conditions for any city name or zip code: real-time temperature and wind speed with compass direction, in both metric and imperial units. Paid plans add a 7-day forecast with daily highs, lows, rain chance and conditions for the week ahead.

Weather Seasons calculates astronomical solstice and equinox dates for any target year. It provides exact timestamps and reference timezones for the March and September equinoxes and the June and December solstices.

Website Images Scraper is an image scraper API that extracts image URLs and hosting domains from any web page. Send a page URL to retrieve direct image sources, breakdown counts for internal versus external assets, and unique hosting domains.

WebP Converter transforms WebP images to classic formats like PNG and JPG, or converts other formats to WebP for better compression. Essential for handling modern web images.

Website Screenshot renders webpage screenshots from any URL into PNG, JPEG, or WebP format. It returns a signed download link with an expiration timestamp, supporting custom viewport dimensions up to 3840 pixels wide.

Website Readability analyzes live web pages to score their reading difficulty and educational grade level. It returns Flesch Reading Ease, Flesch-Kincaid grade level, word count, sentence count, and estimated reading time.

Website to PDF renders any public web page into a PDF document from a submitted URL. It returns a temporary signed download link, unique filename, and expiration timestamp, with paid plans adding custom margins and landscape layout.

Website to Text converts any webpage URL into plain text stripped of HTML tags. It returns the extracted body copy, page title, meta description, publication date, and detected language code.