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.

JSON Clean API converts JSON documents into a readable format with line breaks and indentations. It supports entries up to 200,000 characters.

Convert JSON to CSV, currencies, dates, and units, plus generate QR codes — a lightweight all-in-one data utility toolkit for developers.

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.

Convert data between the four common structured text formats in one call: send the payload in the body and pick the source and target formats. Great for configuration files, integration payloads and data pipelines.

Convert CSV to clean, typed JSON by URL or raw text. Auto-detects numbers, booleans, and nulls; handles quoted fields, embedded commas, and custom delimiters (RFC-4180). Fast, stateless, and MCP-ready for AI agents.

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.

Convert coordinates between decimal degrees, DMS, UTM, MGRS, plus codes and geohash; validate input and measure distance and destination points.

Accurate, lightweight and fast REST API for Jewish and Hebrew calendar holiday calculation, holiday lookup by key, upcoming holiday lookup, date range filtering, and keyword search across Gregorian

Turn any news or blog feed into clean structured data: feed metadata plus items with dates, author, categories, plain text summary, full content and media attachments. One consistent format for every feed flavor.

Convert any color between the common web and print formats in one call. Flexible input, including six or three digit hex and common color names; the answer returns every format at once plus ready-to-paste style strings.

Convert dates between Gregorian, Hebrew, Islamic and Chinese calendars; holidays by year.

Global accommodations, hotels, restaurants, attractions, cruise sailings, and traveler reviews worldwide in JSON.

Extracts and validates JSON-LD, Microdata, RDFa, and structured markup from webpages or raw HTML for SEO and technical validation.

Look up the US 49 CFR 172.101 hazardous materials table by UN number, name or hazard class, with special provisions decoded in plain words.

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

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.

Generate charts (images base64) based on your JSON objects. Be able to visualize your data with this API.

Convert GitHub flavored Markdown (tables, lists, code) to safe HTML. Scripts and inline handlers are stripped by default.

Generate sudoku puzzles at four difficulty levels and printable mazes as JSON or SVG, seeded and checked solvable, plus ready-made word themes.

Extract every HTML table from any web page into clean, structured JSON — headers and rows auto-detected. Just pass a URL; no scraping code needed. Fast, stateless, and MCP-ready for AI agents.

Decode tire sizes, compare sizes with speedometer error, load/speed ratings, DOT dates.