Knock Knock Joke Generator - Online Random Fun
Get an endless supply of clean, family‑friendly knock‑knock jokes. Click for a new one. No ads, just laughs.
UD5 Toolkit
Try to guess the secret number within the allowed attempts
Enter a number between 1 and 50
Get an endless supply of clean, family‑friendly knock‑knock jokes. Click for a new one. No ads, just laughs.
Practice sending Morse code using a virtual straight key. Visual feedback and audio tone. Learn timing and proper fist.
Generate a random, completely nonsensical pseudocode block. Perfect for filling whiteboards in mockups. Just for laughs.
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.
Find average first and last frost dates for your zip code using cached NOAA data. Garden planning essential.
A curated collection of riddles. Load one per day with a button to reveal answer. Clean, simple, no tracking. Sharpen your mind.
Enjoy a random, algorithmically generated haiku. Nature or modern themes. Refresh for a new one. Simple beauty.
Interactive guide to crimping RJ45 connectors. See the wire order for T568A/B standards. Helpful for DIY network cables.
Generate a hilarious, completely fake conspiracy theory about everyday objects. Pure entertainment.
Create a PGP key pair (RSA or ECC) directly in your browser with passphrase protection. Export public/private armored keys. No upload.
Enter a list of words or phrases and generate unique, printable bingo cards. Perfect for icebreakers and classrooms.
Query DNS records for any domain directly from your browser using DNS-over-HTTPS. See A, AAAA, MX, CNAME, and TXT. No logs.
Freeze your live camera, then scan a QR code from the static frame. Works when auto‑scan fails. Private.
Use your keyboard or mouse as a straight key. Hear the tone and see the dots/dashes. Perfect for learning CW. Local.
Translate text to Morse code and decode Morse signals back to text. Sound playback supported. Learn and experiment with Morse code directly in browser.
Convert power units: watt, kilowatt, horsepower, BTU/h. Quick reference for electrical and mechanical engineering. Browser-based.
Type text and play it back as Morse code audio. Adjustable speed (WPM) and tone frequency. Great for learning Morse code or generating ringtones.
Enter LMP or conception date and get detailed week‑by‑week milestones, trimester info, and due date. Educational only.
Paste a list of JavaScript values and see them pretty‑printed as if in the browser console. Great for debugging.
A bingo card filled with common meeting buzzwords. Mark them during your next call. Great for remote work fun.
View the individual red, green, and blue channels of an image as grayscale. Photographer and developer tool.
Paste a regular expression and get a step‑by‑step plain English explanation of what it does. Learn regex.
Upload an RGB image and simulate how it might look when printed in CMYK. See out‑of‑gamut warnings. Pre‑press helper.
Convert any photo into a stark 1‑bit black‑and‑white image (no grays). Adjust threshold. Save as PNG.
Convert any image into a raw binary array of RGBA values. For use in embedded systems or game development. Copy as Uint8Array.
Try to draw a perfect circle freehand. Score based on roundness. Fun and addictive. No data sent.
Random world flags shown; pick the correct country name from four choices. Score and streak. Learn geography.
Watch and repeat the growing sequence of colored buttons. How long is your memory? Classic electronic game replica.
Play the extended 5‑gesture version against a CPU. Rules explained. Score tracking. A geek classic.