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,

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

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

Professional QR Code Generation API with advanced customization options.

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

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.

Create high-quality, customizable QR codes with logos, colors, and custom styles. Perfect for marketing, branding, and dynamic links.

Create personalized QR codes for your business with ease.

Enrich any Brazilian CNPJ and traverse its corporate-ownership graph up to 3 hops — resolve who-owns-whom, beyond single-lookup APIs. For KYC, due diligence, and fintech underwriting.

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

Widget API to calculate Geo Coordinates, Geo Fences and Sky, Sun, Moon, Eclipse information.

The SVG Pixel Pictures Generator API is a tool that enables the creation of unique and quirky profile pictures. This API generates pixel monsters in SVG format, providing the flexibility to customize and integrate them into different platforms. Its easy-to-use interface makes it an ideal solution for developers looking to add an element of fun to their applications.

The Geo Proximity Checker API accurately computes distances between geographic points, providing support for a variety of units and calculation modes to facilitate versatile spatial analysis within applications.

Returns information about a domain's favicon, including size, Base64 format, and metadata useful for web analytics or visual integration.

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

It is a powerful tool for correcting the capitalization that text should have quickly and easily. With this API, you can easily format text to meet various style guidelines,

The Dice Roll Simulator API offers a convenient way to simulate rolling dice. With customizable parameters, including the number of dice, sides, and rolls, users can generate random dice rolls for various applications such as gaming, simulations, or statistical analysis.

Effortlessly convert units across length, weight, temperature, volume, and more with accurate, real-time results to simplify calculations in diverse applications.

The Unit Switch API effortlessly streamlines unit conversions, offering accurate and flexible capabilities that cater to a wide range of applications.

Official Brazilian company data by CNPJ: 40+ fields, shareholders (QSA), CNAE, contacts and a 0-100 registration score. One-field request, batch up to 1,000 CNPJs.

A globally usable mortgage and loan calculator supporting multiple currencies. Covers monthly repayments, full amortisation schedules, affordability reverse-calculation, early repayment savings, side-by-side comparison, total cost of ownership, APR, debt-to-income ratio, stamp duty estimates, refinance break-even, balloon payments, interest-only periods, loan consolidation, and biweekly payment options. Pure maths — no external data sources. Pass any currency code (USD, GBP, EUR, ZAR, AUD, etc.) for localised display.

The Precise Measure Conversion API simplifies unit conversions seamlessly, catering to diverse applications with accurate and flexible conversion capabilities.

The Futoshiki generator API is that allows users to programmatically generate Futoshiki puzzles.

Universal JSON Fix repairs broken or malformed JSON, especially from LLMs like ChatGPT, Claude, Deepseek, Gemini, or Llama. This API ensures reliable parsing by fixing mixed quotes, missing commas, and formatting issues, making it ideal for AI applications.

The Measure Conversion API streamlines unit conversions effortlessly, meeting the needs of various applications with precise and adaptable conversion features.

The QR Code Builder API facilitates easy generation of QR codes for various applications. Users can dynamically generate QR codes with custom content and styling options, making it ideal for integrating QR code functionality into websites, mobile apps, and other digital platforms.

Parse, validate, describe, and generate cron expressions. Converts cron syntax to human-readable descriptions and calculates next run times.

The QR Code Maker API allows developers to easily generate custom QR codes. It offers various customization options like size, color, and embedded data types such as URLs and text. This API ensures high-quality QR codes and seamless integration into any application, making it an ideal solution for diverse needs.

Unleash the power of our Scene Classification API! Seamlessly analyze images and videos, effortlessly detecting diverse scenes at any scale. Identify indoor and outdoor locations, neatly categorizing them into distinctive groups using advanced attribute-based algorithms. Experience the API's magic as it unveils multiple scene labels and unveils intricate details, revolutionizing scene recognition like never before.

PresentID QR-Code & Barcode scanner API can scan both QR code and barcode.

PresentID Document scanner API localizes document images with various distortion types from a single input image.

Create stunning, high-quality QR codes effortlessly with our Pro Generator API. Perfect for businesses and events!

Elevate your brand with QR codes featuring custom logos for professional impact using our Pro Generator API.

Automatically detects faces in an image and returns the coordinates and dimensions of each detected face in a structured format.

This API will automatically provide you with a Sudoku.

Capture, save, and manage favicons seamlessly for your applications, improving visual consistency.

Terrafy Coordinate Transformation is an API that executes transformation calculation between various projection systems and formats. It allows users to accurately transform coordinates into different coordinate systems, making it ideal for applications in geospatial analysis, mapping, and location-based services.

Quickly retrieve comprehensive unit conversion information with our user-friendly Unit Conversion Information API.

Capture and standardize measurement units with the Measurement Unit Capture API, designed for developers.

Craft unique, personalized QR codes that reflect your style and needs using our easy-to-use Pro Generator API.

Shorten URLs for SMS, emails, and posts. This robust API converts any link into a cleaner, more compact format quickly.

Effortlessly convert and retrieve measurement units with precision using our Unit Measurement Conversion Fetch API.

Design personalized QR codes with diverse styles and customizations using our Pro Generator API.

The Unit Converter API is a powerful and versatile tool that allows you to effortlessly convert between different units of measurement across a wide range of categories.

The QR Code Creation API enables developers to create custom QR codes with ease. It supports various customization options, including size, color, and embedded data types such as URLs, text, and contact information. This API ensures seamless integration into applications, providing a reliable solution for generating high-quality QR codes programmatically.

Convert photos into various cartoon styles with our Cartoon Yourself API, featuring advanced 3D game effects and high-quality sketch transformations.

Shorten long URLs instantly with this powerful API. Create sleek, easy-to-share links ideal for marketing, analytics, and social media.

Access detailed loot data and track your Counter Strike collection effortlessly with our LootLens API.