The User Agents API is a comprehensive solution for generating realistic and diverse user agents for your website or application. With advanced algorithms, it creates user agents that mimic real browsers and devices, ensuring that your requests are not detected as suspicious or blocked.

Simple API for creating SVG QR codes with an optional error correction level.

Generate random User Agents with this API for your projects. Be able to scrape or access any website as the User Agent of your choice.

Current time or any date in any IANA time zone with UTC offset, weekday and Unix time. Convert one moment to many time zones at once.

Convert JSON arrays to CSV (nested objects flattened) and CSV to JSON with delimiter detection, quoted fields and number parsing.

Convert XML to JSON (attributes kept), JSON to XML, YAML to JSON and JSON to YAML. Send the document, get the converted result.

Convert HEX, RGB, HSL and CMYK, generate palettes, shades and tints, pick the best text color and check WCAG contrast ratio.

Cryptographically secure random passwords with length and character options and entropy, plus UUID generation in bulk.

Paste a URL, get a verdict on whether browsers and CDNs can cache it, for how long, and what is misconfigured, as machine-readable JSON. The API parses Cache-Control directives, Expires

Fast & reliable online code compilation and execution of APIs for 50+ languages & databases

Generate crisp QR codes as SVG for any text or link, with custom size, colors, margin and error correction level. Fast and lightweight.

Analyze website redirect chains, HTTP status codes, response times, and security-related behavior to identify redirect issues, verify destination URLs, and assess overall redirection performance.

Convert dates between 13 calendars and get Islamic, Jewish, Chinese and Persian holiday dates (Ramadan, Eid, Passover, Chinese New Year, Nowruz) for 1900-2100.

The User Agent Builder API allows developers to create and customize user agent strings for web scraping, testing, and automation. Generate realistic and varied user agent strings to mimic different browsers and devices, ensuring better performance and evasion of anti-bot measures.

Hash text with MD5, SHA-1, SHA-256, SHA-384, SHA-512 and CRC32 in one call, sign messages with HMAC and identify which algorithm produced a hash.

The HTML to JSON API is a tool that converts HTML code to JSON format. This can be useful for developers who want to extract data from HTML documents and use it in JSON-based applications. The API takes an HTML document as input and returns a JSON object that contains the same information in a structured format.

Download public Facebook Reels and videos by URL. Async jobs with progress polling and direct CDN download links. Stories and private content are not supported.

Given a single domain, checks that site's robots.txt (crawl allow/disallow rules per user-agent, crawl-delay, declared sitemap URLs) and sitemap.xml (existence, URL count, and child-sitemap count if

Aperiodic Monotile Generator API — generate gap-free Spectre/Hat/Turtle/Tile(1,1) tilings clipped to a custom boundary (circle, rectangle, square, triangle, hexagon). Async jobs export SVG,

Get random RGB color palletes for your projects. Also, receive suggested colors that could match your current colors. Get coherent colors for your apps and websites.

Forget about long URLs with this API. Just pass the link that you want to cut. Simple as that!

Automatically extracts the official logo from any website based on its URL and delivers the image via a direct link.

Parse any User-Agent string into browser and version, OS and version, device type, rendering engine and bot detection.

Convert all types of measurement units to the ones that work better for you simply with this API.

The Custom User Agent API allows developers to create tailored user agent strings for web scraping, testing, and automation. Generate specific user agents to simulate various browsers and devices, enhancing compatibility testing, performance analysis, and evasion of anti-bot systems for more effective and reliable application behavior.

The Logo Fetcher API retrieves logos directly from a website's domain, allowing users to effortlessly obtain a website's logo without the need for manual searches.

The Domain Name Checker API quickly verifies domain name availability, simplifying online presence management and ensuring secure acquisition of desired virtual addresses.

Generate pixel-perfect PDFs from HTML, URLs, and templates in one API call. Invoices, receipts, reports, contracts — done in milliseconds, not hours.

Generate realistic, schema-aware synthetic test data for any database schema. 50+ field types, AI prompt-to-schema, pre-built templates, JSON/SQL/CSV output.

Create Unique Universal Identifiers with this API with ease. This API will provide UUID v4 generated using a secure random number generator.

Libera.Date.Api is a high-precision date calculation engine designed to streamline business logic for global applications. Its core strength lies in its advanced Working Days System, which accurately calculates business days by automatically excluding weekends and public holidays for multiple countries (including 100 countries). Beyond simple duration checks, the API offers intelligent scheduling tools like finding the nearest available working day, analyzing date ranges for non-working intervals, and distinguishing between standard weekends and legal holidays. Whether you are computing SLAs, planning delivery windows, or building HR rosters, Libera.Date.Api ensures your dates align with real-world business calendars.

The User Agent Insight API user agent strings to identify device, browser, and operating system details accurately.

The User Agent Analyzer API parses user agent strings to accurately identify details about the device, browser, and operating system.

The Random IP Generator API creates random IP's addresses, serving diverse technical and analytical needs with efficiency.

Automate age calculations for individuals or events, streamlining age-related tasks and ensuring precise date computations effortlessly.

Create personalized QR codes for your business with ease.

Create unique QR codes suited to your needs with our Generate Custom QR Codes API.

Enjoy fast and reliable QR code generation with our efficient API, which guarantees a hassle-free experience.

The 3D Bin Packing problem is a classic combinatorial optimization problem that has wide applications in logistics, warehousing, transportation, and many other fields. Its core is to reasonably pack a series of three-dimensional items (boxes) of various sizes into a limited number of three-dimensional containers (boxes, cargo containers, etc.), with the typical goal of minimizing the number of containers used or maximizing the utilization rate of containers while satisfying various constraints.

Professional QR Code Generation API with advanced customization options.

The Anonymous IP Generator API simplifies testing by dynamically creating IP addresses. This helps developers and network administrators in various testing scenarios.

Use this API to check the availability of a certain domain. Be able to retrieve its age as well and if it's available for purchase.

The User Agent Insight API user agent strings to identify device, browser, and operating system details accurately.

The Device User Agent Parser API identifies and extracts information from user-agent strings, aiding in device detection and user experience optimization.

The Random Data Generator API offers several categories of data, including boolean values, characters, numbers, names, and more.

A Compact URL Generator API condenses long web addresses, enhancing accessibility and engagement through dynamic link generation, analytics, and security features.

Imaginary User API: Streamline development and testing with synthetic user data, effortlessly generating diverse profiles for realistic simulations and efficient application testing.

The Global Temporal Data API provides accurate time zone information with historical data for seamless integration of global applications.