NPM Package Name Generator - Online Unique Name Checker
Generate creative, available npm package names and check if a name is already taken on the registry. Quick and fun for developers.
UD5 Toolkit
Create a welcoming and clear contribution guide for your open-source project — in seconds.
# Contributing to [Project Name] Thank you for your interest in contributing! Please follow the guidelines below. ## Getting Started - Fork the repository and clone it locally. - Create a new branch for your work. ## Commit Messages - Use conventional commits: `feat:`, `fix:`, `docs:`, etc. ## Pull Request Process - Ensure tests pass and add new tests if necessary. - Reference the related issue in your PR description. ## Code Style - We use ESLint and Prettier. Run `npm run lint` before committing. ## Code of Conduct - Please note we have a [Contributor Covenant](CODE_OF_CONDUCT.md), please follow it in all your interactions. Thank you for contributing!
Generate creative, available npm package names and check if a name is already taken on the registry. Quick and fun for developers.
Generate short, URL‑safe, unique string IDs with customizable alphabet and length. Smaller than UUID. Local only.
Generate pure audio tones of specific frequencies (Hz). Adjust waveform type (sine, square, sawtooth). Ideal for audio testing and science experiments.
Connect to an SSE endpoint and display events in real time. Inspect event types and data. Handy for frontend devs.
Convert between units of absorbed dose and equivalent dose (Gray, Rad, Rem, Sievert). Educational and reference. Local calculation.
Convert between decimal degrees, degrees-minutes-seconds (DMS), radians, and grads. High-precision for surveying and navigation. Local tool.
A simple web‑based buzzer system for trivia nights. Assign teams and see who buzzes first. Works on phones.
Hash any text using simple, fast algorithms: DJB2, SDBM, or CRC32. Get integer or hex. For quick lookups. Local.
Create CSS clamp() values for fluid typography. Enter min and max font sizes and viewport widths. Modern responsive design.
Generate a realistic‑sounding dinosaur name and see a fun description. Perfect for kids and writers.
Create a customizable checkerboard or grid background using pure CSS gradients. Adjust cell size and colors. Copy the code.
Fill in your PWA details to generate a valid manifest.json file. Include icons, theme color, display mode.
Paste any iframe embed code (YouTube, maps) and get a responsive wrapper div with correct aspect ratio CSS.
Create a QR code that lets people connect to your Wi‑Fi without typing a password. Just scan and join. Secure local.
Design a pure CSS tooltip with custom text, position (top/bottom/left/right), and arrow. Copy the clean code.
Upload a small pixel art image and get a CSS grid layout that recreates it using divs. Novelty developer tool.
Generate a random, funny or serious company slogan for your startup idea. Brainstorming helper. All local.
Create and format Markdown tables by adjusting rows and columns. Align text, copy the raw Markdown. Perfect for README files.
Click for an endless stream of random dad jokes and puns. Copy and share. Guaranteed to make you groan. All local.
Generate magic squares of odd order (3x3, 5x5, …). See the sum constant and verify rows, columns, diagonals. Educational math toy.
Generate a random Sudoku puzzle with a unique solution. Choose difficulty and type numbers on the board. Timer and mistake counter.
Enter a list of words and create a custom word search grid. Choose difficulty, print or export as PDF. Great for teachers.
One click to get a hilarious excuse for being late, missing homework, or not doing chores. Pure comedy.
Create a fake WhatsApp/iMessage chat screenshot. Customize names, messages, and timestamps. Just for fun.
Click to generate a random haiku from natural language templates. Pure algorithmic poetry fun. Copy and share.
Generate a QR code with a custom text label below or above. Perfect for printed signs. All generated locally as a single image.
Generate a unique geometric or pixel-art avatar from a random seed. Download as PNG. Perfect for default user icons. No upload.
Generate random truth questions and dares for game night. Categories for kids, teens, and adults. No repeats, all client-side fun.
Create text with a gradient fill using CSS background-clip. Configure colors and direction. Copy the code. Works in modern browsers.
Build a properly formatted robots.txt file with user-agent rules and sitemap location. Validate syntax in real time. Essential for webmasters.