Password Pwned? Checker - Online k‑Anonymity
Check if a password appears in the Have I Been Pwned database using k‑Anonymity. Only the first 5 characters of the hash are sent.
UD5 Toolkit
Find who owns a domain, registrar info, and expiration date – all in one click.
Check if a password appears in the Have I Been Pwned database using k‑Anonymity. Only the first 5 characters of the hash are sent.
Strip specific or all attributes from HTML tags. Clean up messy code. Keep the structure. Purely local.
Configure and generate a pure CSS accordion with details/summary styling. Copy the HTML/CSS. Accessible and lightweight.
Enter a domain and see public WHOIS info via a free API with rate limiting. Quick domain check.
Enter a common chemical name to see summary hazard pictograms and precautions. Quick reference.
Enter a city to get current UV index forecast using open data (with local caching). Understand sun protection needs. No personal location used.
Search a curated dictionary of modern internet acronyms (IMO, TBH, IYKYK) and slang. Simple offline-capable reference. No tracking.
Enter keywords and get domain name ideas by mixing, prefixing, suffixing, and replacing. Check availability indication.
Search a complete list of all top‑level domains. See which still have availability. For brand naming. Static reference.
Enter a three‑letter currency code like USD or EUR and instantly see the corresponding symbol and number of decimals. Quick developer reference.
Paste a hex code and get the closest official CSS color name and a list of similar Pantone-like shades. Design reference.
Query DNS records for any domain directly from your browser using DNS-over-HTTPS. See A, AAAA, MX, CNAME, and TXT. No logs.
Search a city or country and see its current UTC offset, DST status, and abbreviation. Quick reference for scheduling.
Search by country or currency name to find its symbol and code. Quick static reference for international business.
Enter an acronym and see its most common full forms. Static dictionary. No internet needed after load.
Type a CSS color name like 'tomato' or 'mediumseagreen' and instantly get its hex code and preview. Complete named colors list.
Search for any file extension to see its full name, MIME type, and description. Covers thousands of entries. Static data.
Find the three‑letter currency code (USD, EUR, JPY) for any country. Also lists currency symbol and name. Static.
Search by MIME or file extension to see the corresponding type. Helpful when configuring web servers. Static.
Search a name and see its meaning, origin, and popularity. Static name database. For parents‑to‑be.
Identify a Chinese character by selecting its radicals. List possible Hanzi. Built‑in reference for learners.
Enter a dialling code (+44, +1) to find which country it belongs to. Also search by country name. Static reference.
Search the complete emoji set by keyword or code. Click to copy. Includes skin tones and flags. Always up to date with Unicode.
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.
Find your public IP address and view approximate geolocation, ISP, and browser header details. No personal data stored. Static and instant.
Pull out all URLs and links from text. Extract domains, paths, and protocols. Perfect for SEO scraping or analyzing text documents. Client-side execution.