JSON Formatter
Format, validate, and minify JSON data and download.
Data Tools
JSON, Base64 and mock data utilities
Base64 Encoder/Decoder
NinjaFunction's Base64 Converter is a powerful online tool designed to simplify working with Base64-encoded data. Whether you need to encode text into Base64 for secure transmission, decode Base64 strings back to readable text, or convert images (JPG, PNG, GIF) and PDF files to/from Base64 format, our tool provides a seamless solution. With an intuitive interface, you can quickly paste your text, upload files via drag-and-drop, preview results before downloading, and export converted data with just one click. Perfect for developers, designers, and anyone working with data encoding, our converter works entirely in your browser—no server uploads required, ensuring fast processing and complete privacy.
Mock Data Generator
NinjaFunction's Mock Data Generator is a free online tool that instantly creates realistic test data for developers and QA teams. Generate customizable sample data including names, emails, addresses, phone numbers, products, prices, and more in JSON, CSV, XML, or HTML formats. With options to produce up to 100 records at once, our tool helps streamline your development workflow by providing perfectly formatted test data for applications, databases, and API testing. Features include one-click copying, instant downloads, and complete field customization without registration or limits. Whether you're populating a demo database, testing application logic, or building prototype UIs, this tool delivers clean, realistic data in seconds with developer-friendly output. Simple, powerful, and completely free - create your mock datasets today and accelerate your development process.
Code Formatter & Beautifier
A powerful online code formatter that supports multiple programming languages including JavaScript, TypeScript, Python, JSON, HTML, CSS, XML, YAML, and Markdown. Simply paste your code or upload a file, select your language, and get beautifully formatted code instantly.