Battery Series/Parallel Calculator - Online Voltage & Capacity
Combine multiple identical batteries in series and parallel and see the resulting voltage and total capacity. Electronics helper.
UD5 Toolkit
Generate production-ready HCL for AWS EC2 instances in seconds
.tf file (e.g., ec2.tf) inside your Terraform workspace. Then run terraform init, terraform plan, and terraform apply. Make sure your AWS credentials are configured via environment variables or the AWS CLI.
aws_ami to fetch the latest Amazon Linux 2 or Ubuntu AMI dynamically. Our generator currently outputs a static ID, but you can replace it with the data source reference. Example:
data "aws_ami" "latest" {
most_recent = true
filter {
name = "name"
values = ["amzn2-ami-hvm-*-x86_64-gp2"]
}
}
sg-123, sg-456 becomes ["sg-123", "sg-456"].
backend "s3" with DynamoDB locking to safely share state across teams. Read the official documentation for details.
Combine multiple identical batteries in series and parallel and see the resulting voltage and total capacity. Electronics helper.
Shows today's moon phase, age, and percent illuminated. Simple visual display. Works offline.
Answer a few questions about your project and get a recommended open‑source license with a ready‑to‑copy LICENSE file text.
Click for an endless stream of random dad jokes and puns. Copy and share. Guaranteed to make you groan. All local.
Visually configure scroll‑snap containers and items. Adjust alignment, stop behavior, and padding. Copy the clean CSS instantly.
Generate the MD5 hash of any text string. For quick integrity checks. All local computation.
Format a list of Q&A pairs and export as a CSV ready for Anki import. Simple line‑based template. Local.
Style underlines, overlines, and strike-throughs with colors, wavy styles, and thickness. Modern CSS text‑decoration.
Generate a random medieval occupation with a short description. For NPCs or historical curiosity. Local list.
Design a fully styled scrollbar with colors, width, radius, and hover effects. Supports both ::-webkit‑scrollbar and Firefox scrollbar‑width.
Create a realistic letterpress (debossed) text effect using CSS text‑shadow and background. Adjust depth and light direction. Copy code.
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.
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.
Generate a random, somewhat meaningful song lyric line. Write your own hit with AI‑free randomness. All local.
Pick an emoji and convert it into a proper favicon .ico file for your website. No design skills needed. Instant download.
Generate a realistic‑sounding exoplanet designation (e.g., Kepler‑442b) and a sci‑fi planet description. For worldbuilding.
Add a decorative rectangular border/frame to your image. Adjust width, color, and shadow. Download the framed photo.
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.
Design a realistic-looking fake receipt with custom store name, items, and total. For jokes and gags. No real transaction.
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.
Create text with a gradient fill using CSS background-clip. Configure colors and direction. Copy the code. Works in modern browsers.
Fill in your details and generate a professional-looking invoice ready to print or save as PDF. No sign-up, all data stays on your device. Great for freelancers.
Convert any image into beautiful ASCII art. Adjust brightness and character set for the best effect. Share text-based pictures. Runs entirely in the browser.
Easily create asymmetric border radius values and preview the result. Copy the generated CSS instantly. All interactively and browser-based.