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.

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.

Convert numbers to perfectly formatted text across 28 languages and over 35 predefined currencies. Our API handles standard, formal, and check writing formats with support for custom currencies. Perfect for financial documents, legal contracts, invoices, and multilingual applications. Simple integration with comprehensive documentation.

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

Live Currency Rates API provides real-time exchange rates, providing users with financial information.

The Color Convertor API is a powerful tool for anyone working with colors. With endpoints for converting between different color representations, such as RGB, HSL, and CMYK, this API makes it easy to work with colors across different platforms and devices.

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.

Enhance your data generation with MockHero's Schema Aware Data Generation API, ensuring data integrity and relevance.

NumXlator is a very fluent API for translating numbers into words in various languages, including: عربي (Arabic), Czech, Danish, Deutsch (German), English, Español (Spanish), Finnish, Français (French), Hausa, Hungarian, Igbo, Indonesian, Italiano (Italian), Malayu (Malaysian), Nederlands (Dutch), Norwegian, Polish, Português, Русский (Russian), Romanian, o'zbek (Uzbek), Swahili, Swedish, Thai, Turkish, Tiếng Việt (Vietnamese), Yoruba, 中国人 (Chinese), 日本語 (Japanese), and 한국인 (Korean)

The Text Compare API is an tools for comparing two texts and highlighting their differences. It offers results in JSON format and pre-rendered for HTML and CLI.

This endpoint takes the information (string) as input, and provides the JWT-encoded result (string) as output. The output also includes a copy of the input, and a « status » value. Status is « Ok » or « Error: … ».

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

Text Case Converter API is a tool that developers can use to convert text to uppercase and lowercase automatically.

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,

Enhance your scheduling with the Smart API, designed to simplify date and business day calculations with intelligence.

Validate structured data markup on any web page including JSON-LD, Microdata, and RDFa. Detects Schema.org types, checks for errors, and returns detailed validation results.

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

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

EU-Compliance: Digital Product Passport (DPP) Immutable QR Engine. Guaranteed 10-year URL persistence for Textile and Battery ESPR mandates (March 2026). High-error-correction QR generation optimized for industrial label printing. Frankfurt (EU-Central) data residency.

Render diagrams from text-based notation including Mermaid, PlantUML, and DOT syntax. Returns high-quality PNG or SVG images of flowcharts, sequence diagrams, class diagrams, and more.

This API converts local phone numbers to international format, returning the number and destination in a standardized format for global compatibility.

Powerful and reliable API service that provides real-time domain registration data for businesses, cybersecurity professionals, and developers. Our API delivers accurate and up-to-date WHOIS information in a simple, easy-to-parse JSON format, allowing you to monitor domain ownership, prevent fraud, and enhance your applications with valuable insights.

Textify Money API provides a simplified method for converting numeric representations into text values, allowing developers and researchers to extract valuable information from financial data.

Simplify web pages into markdown format quickly with the Web Pages to Markdown API.

Historical Metal Market API provides instant and past pricing for precious and industrial metals. Supports integration with apps, tools, and financial software.

Unlock the world of encryption with the String to MD5 API. Transform any text into an impenetrable MD5 hash effortlessly. Just send your string through our secure endpoint, and like magic, receive the unbreakable shield in JSON format. Your data, your fortress – all with a single API call.

Turn web pages into actionable content by extracting text or converting to markdown for easy integration and processing.

The Text Translate API is a powerful API for translating text between multiple languages, ideal for applications that require accurate and fast real-time translations.

Get accurate live and historical rates for gold, silver, copper, and others. A powerful API built for traders, analysts, and finance professionals.

Global Metals Rates API delivers up-to-date and past metal prices like gold, silver, and copper—ideal for financial apps, dashboards, and market analysis.

Extract precise zip codes from Japan for seamless address validation and lookup.

Convert and validate phone numbers worldwide, returning standardized formats, country codes, state data, and timezone information for smarter communication applications.

Extract essential programming languages information quickly for enhanced development insights.

Code Compiler API is a powerful tool for developers that can compile code in over 75 different programming languages.

Instantly validate how any URL will appear when shared on Facebook, LinkedIn, Twitter, and WhatsApp. Returns a full JSON report with platform-specific scores, broken tag detection, image dimension checks, and plain-English fix instructions — all in a single API call.

JSON Translate API converts text in JSON files to multiple languages, facilitating localization and automatic translation of data for web and mobile applications.

The Juventus Data API provides comprehensive data on Juventus Football Club, including fixtures, competitions, and team statistics.

Access metal prices anytime with this API—real-time and historical data for gold, silver, copper, and more. Simple setup, detailed responses.

Generate realistic test data effortlessly with MockHero's Test Data Generator API, enhancing your development process.

Effortlessly generate dynamic test data on demand using MockHero's Dynamic Test Data API, optimizing your testing process.

This API provides comprehensive data on Everton, including fixtures, player statistics, and team performance metrics.

Seamlessly exchange over 100 currencies using historical rates spanning up to 2 years, guaranteeing precise financial transactions and accurate reporting.

Convert text into personalized images based on artistic styles, facilitating creative visual generation that is fast and adaptable to various projects.

Create fully customizable fake data quickly using MockHero's Fake Data API, tailored to your project’s requirements.

The Webpages to Markdown API transforms web content into Markdown format, enabling developers to convert and manipulate HTML, CSS, and JavaScript effortlessly. This API offers precise control over the rendering process, allowing for performance optimizations, enhanced visual effects, and seamless dynamic content updates. With built-in tools for monitoring rendering efficiency and customizing behaviors, it is an invaluable resource for creating high-quality, responsive web applications that prioritize both aesthetics and functionality.

Convert your HTML codes or URL content to PDF with this API. Fast and reliable.