Morse Code Alphabet Trainer - Online Random Character Drills
See a random letter/number and tap the Morse sequence. Instant feedback. Practice the full international Morse alphabet.
UD5 Toolkit
Alpha, Bravo, Charlie – how fast can you recall them?
See a random letter/number and tap the Morse sequence. Instant feedback. Practice the full international Morse alphabet.
Morse characters flash on screen; you must tap them correctly on a single button. Points for accuracy and speed. Learn Morse in a fun way.
Paste Morse code (dots and dashes) and translate it back to plain English text. Supports standard timing. Local.
Use the Web Speech API to turn your spoken words into text with punctuation. Copy and paste anywhere. Privacy‑first.
Find out if a word is an isogram (no repeating letters). Different types: first-order, second-order. Word nerd fun.
Paste text to calculate the estimated reading time based on your WPM. Set speaking time too. Perfect for speeches.
Paste text with mixed Arabic/Hebrew and English. See the Unicode bidi class of each character and ordering. i18n debugger.
Log neck, chest, waist, hip, and limb measurements over time. See changes on a chart. All data stored locally.
Quickly estimate your internet connection speed by downloading a small test file. See class and recommendations.
Calculate swim pace per 100m or 100yd based on total time and distance. Predict race times. For pool and open water swimmers.
Create a QR code that lets people connect to your Wi‑Fi without typing a password. Just scan and join. Secure local.
Enter distance and time to get your 500m split. Also predicts how a change in stroke rate affects power output.
Convert any text to upside down (flipped) characters using Unicode mappings. Copy and paste to social media. 100% local, no data sent.
Compute multiple readability scores (Flesch Reading Ease, Grade Level, ARI, SMOG). Paste any English text and see which grade level it's suitable for. Local.
Generate a Wi‑Fi QR code with full options: WPA3, hidden network, and EAP. Download as SVG. All local.
Get a humorous, randomly generated daily horoscope for any zodiac sign. Not real astrology; purely for laughs.
Analyze letter/symbol frequency with an interactive bar chart and heatmap. Useful for breaking simple ciphers, linguistics, and SEO keyword analysis. Local processing.
Watch for updates to aria‑live regions and log what a screen reader would announce. Debug live regions.
Enter a URL and get a rough client-side performance simulation: request count, DOM size, and potential speed tips. No real Lighthouse.
Keep a virtual pet alive by feeding, playing, and cleaning. Its state persists in localStorage. Come back or it gets sad.
Inject dynamic messages into ARIA live regions and monitor how they trigger screen reader announcements. Debug a11y.
Generate a QR code from any text, URL, or contact details. Save as PNG, SVG, or copy to clipboard. All local.
Tap any key multiple times. Shows average BPM, standard deviation, and a visual metronome beat. More accurate than simple tap.
Enter hole saw diameter and material to find the recommended RPM and feed pressure. Prevent burning and kickback.
Type text and set a gradient, then check contrast against a solid background. Ensure readability.
Create color gradients that are perceptually uniform by interpolating in CIELAB space. Get the CSS linear‑gradient code. Visually superior.
Get a random, no‑equipment workout with exercises, reps, and rest. Perfect for home fitness. Local algorithm.
Enter your dog's weight to see which weight‑pull class they would compete in and approximate pulling capacity.
Drag a slider to see wind speed in knots/mph/kmh and the corresponding sea conditions and land effects.
Need dummy text? Pick a theme (pirate, cupcake, zombie) and get paragraphs of themed placeholder text. Not just Lorem Ipsum.