Haiku Line Counter & Generator – Online Syllable Check
Type a line and see syllable count as you write. Generate nature-themed prompts. Poetry aid.
UD5 Toolkit
Count syllables, words, sentences, and lines — perfect for poetry, haiku, and writing.
| Line | Text | Words | Syllables |
|---|
Type a line and see syllable count as you write. Generate nature-themed prompts. Poetry aid.
Interactive scale showing dB levels of everyday sounds with playable samples. Hearing safety.
Calculate how long it will take to pay off credit card debt with fixed monthly payments or a payoff goal. Understand interest costs fully.
Enter tank volume and recommended dose to find exact ml or capfuls needed. Avoid overdosing fish.
See a live VU meter of your microphone's input level. Test if your mic is working and adjust gain. Privacy‑friendly.
Enter standard dice notation (e.g., 2d8+3, 4d6k3) and see the roll result and individual dice. Must for tabletop RPG.
Estimate how much agricultural lime or elemental sulfur to add to change soil pH by a target amount. Based on soil type and current pH. Educational.
Convert diopter strength to approximate magnification and working distance for macro photography.
Perform arithmetic on fractions and get simplified results. Handles mixed numbers and improper fractions. Step-by-step display. Educational and precise.
Learn what water is safe (rain, distilled, low PPM) for pitcher plants and flytraps. Visual PPM scale.
A 10‑band graphic equalizer applied to any audio file or mic input. Save presets. All processing via Web Audio API.
Calculate how much pure ammonia to add to reach 4ppm for a fishless cycle. Safe start guide.
Quick reference for frequently used Git commands with examples. Searchable and categorized. A handy resource for all developers.
Track your subscriptions, calculate monthly and yearly totals, and find savings by pausing unused services. Local data.
Calculate how much fertilizer to add based on desired N‑P‑K ppm and water volume. For hydroponics and soil growers.
Calculate how many vegetable plants fit in a given area using square foot gardening or row spacing. Visual plant grid. Plan your spring garden.
Calculate corrected (adjusted) age for premature infants based on birth date and due date. Important for developmental milestone tracking. Local only.
Calculate grout needed (lbs or kg) based on tile size, grout joint, and area. Also recommend spacer size. Local estimator.
Calculate the probability of exactly k successes in n independent Bernoulli trials. Step-by-step result. Local.
Check if a number of the form 2^p‑1 is a Mersenne prime. Quick Lucas‑Lehmer test simulation for small p.
An on‑screen ruler that measures in pixels, centimeters, and inches. Drag to resize. Handy for UI designers and developers.
Enter a package name and version range to see all satisfying versions from the registry. Understand ^ and ~.
Calculate the output voltage and resistor values for a voltage divider circuit. Includes schematic. Handy for electronics hobbyists and engineers.
Calculate how many planks you need to cover an area given plank dimensions and gap. Quick carpentry estimator. Local only.
Input camera sensor, focal length, aperture, distance to get hyperfocal distance and DoF range. Visual chart.
Simulate rolling dice for board games, RPGs, and decision making. Choose number of dice and faces. Fun, lightweight, and no download required.
Find out how large you can print based on image resolution in pixels. Understand DPI and megapixels.
Compute Poisson probabilities for a given mean rate. Ideal for call centers, traffic analysis. Instant chart.
Select a month and see the modern and traditional birthstones with images and meaning. Classic reference.
Select your OS, IDE, and programming language to generate a complete .gitignore file. No typing required.