Pwaygwound
Discovew intewactive toows and simuwations incwuding physics expewiments, pawticwe demos, and mowe >w<.
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Browse 24 tools, generators, and games
Development
Tools for developers and system administrators to write, test, and generate code.
Web Sandbox
Real-time HTML, CSS, and JavaScript previewer to test code snippets safely.
Autounattend Generator
Generate Autounattend.xml files for Windows unattended installation.
Cloud-Init Generator
Generate user-data configurations for cross-platform cloud instance initialization.
Crontab Generator
Generate robust cron schedules and commands with advanced logging and environment features.
Systemd Timer Generator
Generate enterprise systemd service and timer units to replace legacy cron jobs.
Systemd Mount Generator
Generate systemd .mount and .automount unit files as a modern, dependency-aware replacement for /etc/fstab entries.
Fstab Generator
Create safe and optimized /etc/fstab entries for disks, network shares, and swap files.
GPT Generator
Design and validate GUID Partition Tables with visualization and sgdisk script export.
Analysis & Checks
Analyze and check domains, websites, email configurations, and more for health and performance.
Domain Health Check
Analyze website infrastructure for modern standards (IPv6, DNSSEC, HTTPS, Routing).
Website Performance Check
Detailed website analysis to measure LCP, CLS, TBT, and Page Weight.
Email Health Check
Verify email domain configuration, Blacklists, SPF, DKIM, DMARC, and security.
Email Deliverability Check
Test if your emails are landing in spam. Checks SpamAssassin score and content.
AdBlock Tester
Test the effectiveness of your content blocker against common ad networks, analytics, and cosmetic filters.
Internet Speed Test
Measure your internet connection's ping, jitter, download, and upload speeds directly in the browser.
Favicon Checker
Analyze website favicons, touch icons, and web app manifests for modern best practices.
AI tools
AI-powered utilities for image analysis, prompt extraction, and more.
Utilities & Tools
Helper applications for analysis, image processing, and privacy checks.
Hot Pixel Fixer
Detect and fix hot pixels in images, useful for astrophotography and long-exposure photos.
Input Device Tester
Test your Keyboard, Mouse, USB, and Gamepad inputs.
World Time Scheduler
Coordinate across time zones. Schedule meetings, compare times, and organize global teams.
QR Code Generator
Generate, Scan, and customize QR codes with unique shapes, gradients, and centered logos.
Barcode Generator
Generate, Scan, and customize barcodes with various formats and styles.
Games & Simulations
Interactive experiments, physics engines, and classic games.
Powder Game
A classic "falling sand" simulation. Draw with different elements like sand, water, and fire.
Physics Game
A 2D rigid body physics engine. Throw, stack, and interact with objects that obey the laws of physics.
CYBER SNAKE
The timeless classic. Guide the snake to eat the food, grow longer, and avoid crashing into walls or yourself.