Decibel Level Reference – Online Common Sound Examples
Interactive scale showing dB levels of everyday sounds with playable samples. Hearing safety.
UD5 Toolkit
Explore all possible domain endings for your brand or keyword. Instantly generate full domain names and check availability with one click.
| TLD | Domain | Type | Actions |
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Interactive scale showing dB levels of everyday sounds with playable samples. Hearing safety.
Searchable list of Q-codes with meanings. Also includes RST system. Prepare for license.
Enter keywords and get domain name ideas by mixing, prefixing, suffixing, and replacing. Check availability indication.
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Offline‑first search of the CanIUse database. Type a CSS property, HTML element, or API and see global support percentages. Fast.
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Searchable grid of all named HTML character entities with previews. Click to copy &, <, © etc. For web devs.
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Searchable table of well‑known TCP and UDP ports with their services. Check 80, 443, 3306, and many more.
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Scroll through thousands of pre‑computed digits of π. Search for a specific string of digits. For math lovers.
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Quick reference for frequently used Git commands with examples. Searchable and categorized. A handy resource for all developers.
A complete, searchable list of all 140+ named HTML/CSS colors with their hex codes and color previews. Click to copy code. Essential web reference.
Look up quick facts about any country: capital, population, currency, flag, and continent. Static data, fast search. Great for travel and education.
Check WHOIS information for any domain: registrar, expiration date, and name servers. Quick and private using public WHOIS data aggregators.
Query DNS records for any domain directly from your browser using DNS-over-HTTPS. See A, AAAA, MX, CNAME, and TXT records. No logs.
Pull out all URLs and links from text. Extract domains, paths, and protocols. Perfect for SEO scraping or analyzing text documents. Client-side execution.
Interactive ASCII table showing decimal, hex, octal, and binary codes for all standard and extended ASCII characters. A classic programmer reference.
A complete reference of HTTP status codes with explanations. Search and filter by code or category. Useful for API developers and web debugging. Static and fast.