International Dialling Code Reverse Lookup - Online Country by Code
Enter a dialling code (+44, +1) to find which country it belongs to. Also search by country name. Static reference.
UD5 Toolkit
Query A, AAAA, MX, TXT, CNAME, NS, SOA records instantly
Enter a domain name, select record type, and click Lookup. Results sourced via Google DNS-over-HTTPS.
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Enter a dialling code (+44, +1) to find which country it belongs to. Also search by country name. Static reference.
Create a custom vibration or beep pattern from a short Morse code message. Design unique ringtone ideas.
Interactive guide to crimping RJ45 connectors. See the wire order for T568A/B standards. Helpful for DIY network cables.
Translate text to Morse code and decode Morse signals back to text. Sound playback supported. Learn and experiment with Morse code directly in browser.
Find average first and last frost dates for your zip code using cached NOAA data. Garden planning essential.
Paste a regular expression and get a step‑by‑step plain English explanation of what it does. Learn regex.
Freeze your live camera, then scan a QR code from the static frame. Works when auto‑scan fails. Private.
Guess a random number between 1 and 1000 with feedback 'higher or lower'. Track attempts, beat the high score. Classic beginner's game.
Type text and play it back as Morse code audio. Adjustable speed (WPM) and tone frequency. Great for learning Morse code or generating ringtones.
Create a PGP key pair (RSA or ECC) directly in your browser with passphrase protection. Export public/private armored keys. No upload.
Paste a list of JavaScript values and see them pretty‑printed as if in the browser console. Great for debugging.
Enter LMP or conception date and get detailed week‑by‑week milestones, trimester info, and due date. Educational only.
Generate a random, completely nonsensical pseudocode block. Perfect for filling whiteboards in mockups. Just for laughs.
Use your keyboard or mouse as a straight key. Hear the tone and see the dots/dashes. Perfect for learning CW. Local.
Convert power units: watt, kilowatt, horsepower, BTU/h. Quick reference for electrical and mechanical engineering. Browser-based.
Practice sending Morse code using a virtual straight key. Visual feedback and audio tone. Learn timing and proper fist.
Enjoy a random, algorithmically generated haiku. Nature or modern themes. Refresh for a new one. Simple beauty.
View the individual red, green, and blue channels of an image as grayscale. Photographer and developer tool.
Enter a list of words or phrases and generate unique, printable bingo cards. Perfect for icebreakers and classrooms.
Get an endless supply of clean, family‑friendly knock‑knock jokes. Click for a new one. No ads, just laughs.
A bingo card filled with common meeting buzzwords. Mark them during your next call. Great for remote work fun.
Generate a hilarious, completely fake conspiracy theory about everyday objects. Pure entertainment.
Upload an RGB image and simulate how it might look when printed in CMYK. See out‑of‑gamut warnings. Pre‑press helper.
A curated collection of riddles. Load one per day with a button to reveal answer. Clean, simple, no tracking. Sharpen your mind.
Enter a domain and see public WHOIS info via a free API with rate limiting. Quick domain check.
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.