Password Generator
Generate secure, random passwords with customizable complexity options.
All Tech Tools
Showing 18 Tools
Security
Password Strength Analyzer
Our Password Strength Analyzer evaluates your password based on several security factors
IP Address & Geolocation Lookup
NinjaFunction's IP Lookup Tool delivers instant intelligence on IPv4 and IPv6 addresses as well as domain hostnames. It resolves domains via client-side DNS-over-HTTPS, pinpoints geographic coordinates, queries Autonomous System Numbers (ASN), and displays the location on an embedded interactive map with zero server logging.
Text
Data
JSON Formatter
Format, validate, and minify JSON data and download.
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.
Media
Design
Web
HTML Viewer
The HTML Viewer Tool is a powerful online editor that allows you to write, preview, and edit HTML code in real-time. Perfect for developers, designers, and learners, this tool provides an instant visual output of your code, making it easy to test snippets, debug layouts, or experiment with new designs. With built-in templates for common use cases—such as responsive pages, contact forms, and Bootstrap starters—you can jumpstart your projects quickly. Additional features like HTML formatting, code downloading, and one-click copying streamline your workflow, while the toggleable edit/view modes let you focus on either coding or reviewing. Whether you're prototyping a webpage, teaching HTML concepts, or fine-tuning markup, this tool offers a fast, intuitive, and clutter-free environment to bring your ideas to life.
My Digipin
DIGIPIN, or Digital Postal Index Number, is a standardized, geo-coded, grid-based digital address system officially launched by India’s Department of Posts. This system is designed to revolutionize location identification, especially in areas with ambiguous or incomplete addresses, and to enhance various public and private services.
YT Thumbnail Downloader
The YouTube Thumbnail Downloader by NinjaFunction is a free and easy-to-use tool that lets you extract and download high-quality thumbnails from any public YouTube video. Simply paste the video link, and the tool will fetch the thumbnail in various resolutions. Ideal for content creators, bloggers, and marketers who need video previews for social media, websites, or design projects. No login, no watermark, and completely ad-free.
Image
Image Compressor
Image Compressor is a free online tool that helps you optimize image files by reducing their size while preserving visual quality. Since all processing happens locally in your browser, your files remain private and secure. It's ideal for improving website performance, reducing storage usage, and sharing images more efficiently.
GIF Creator
Combine JPG, PNG or WebP images into a high-quality animated GIF. Customize frame speed, preview the animation, and download your GIF instantly. Everything runs locally in your browser for maximum privacy.
Watermark Tool
Protect your images with professional watermarks. Add text or logo watermarks with customizable position, pattern, opacity, and size. Perfect for photographers, designers, and content creators who want to protect their work.