Password Generator
Generate secure, random passwords with customizable complexity options.
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Generate secure, random passwords with customizable complexity options.
Our Password Strength Analyzer evaluates your password based on several security factors
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.
Extract and view all metadata from your images including EXIF data, GPS location, camera settings, and more. Perfect for photographers, journalists, and anyone who wants to know what information is hidden in their photos.
NinjaFunction's Hash Generator lets you compute MD5, SHA-1, SHA-256 and SHA-512 hashes for any text or file. Everything runs locally in your browser using the Web Crypto API — your data is never uploaded. Perfect for verifying file integrity, checksums, and developer workflows.
Free online JWT decoder and encoder. Paste any JWT to instantly see the decoded header, payload, and expiry status. Create signed JWTs with HS256, HS384, or HS512. All processing happens locally in your browser — your tokens never leave your device.
Format, validate, and minify JSON data and download.
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.
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.
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.
NinjaFunction's GitHub Directory Downloader allows you to grab single folders and subdirectories directly from any public or private GitHub repository without running git clone or sparse-checkout commands. The tool runs completely inside your browser using the GitHub Trees API and client-side ZIP compression, saving bandwidth and local storage.
Generate custom QR codes in seconds or scan QR codes from images. No watermarks, no registration - 100% free online tool with multiple size options.
NinjaFunction's Barcode Generator & Reader lets you create barcodes in 10+ formats and download them as PNG images or PDFs with exact physical dimensions in mm, cm, or inches. Switch to Reader mode to scan barcodes from your camera or an uploaded image using ZXing WebAssembly. Everything runs locally — your data never leaves the browser.
Our free online tool helps you pick, convert, and generate colors for your design and development projects. Easily switch between HEX and RGB formats, copy color codes, and create beautiful color schemes.
NinjaFunction's CSS Gradient Generator lets you design linear, radial and conic gradients with multiple color stops and a live preview. Copy the ready-to-use CSS declaration, download the gradient as a PNG, or start from a preset. Everything runs locally — nothing is uploaded.
NinjaFunction's Color Shades Generator produces 7 shades (three darker, the base, three lighter) from any color you pick. Each shade shows its HEX and RGB value with a one-click Copy button. Copy the entire palette as CSS variables with a single click. Everything runs locally in your browser.
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.
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.
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.
NinjaFunction's Sitemap.xml Generator lets you paste your website URLs and instantly generate a valid XML sitemap. Set priority, change frequency, and lastmod for each URL, preview the XML live, and download the file. Everything runs locally — no URLs are sent to any server.
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.
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.
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.