Interval Timer - Online HIIT & Tabata Workout Clock
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
UD5 Toolkit
Perfect steep for every tea type — Green, Black, Oolong & more
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Calculate dehydrating time based on meat slice thickness and desired texture. Countdown timer with reminders.
Set up high‑intensity intervals with work, rest, and rounds. Audio cues. Sweat without any app. Local only.
Select herb and method to see estimated drying time. Set a reminder to check. Preserve flavor.
Enter number of emitters and their GPH to calculate total water delivered and optimal run time for your plants.
Visual guide to identify root-bound plants. Calculates next pot size up. Keep indoor plants healthy.
Displays the national poison control number and basic first steps for common household ingestions. Seek medical help immediately.
Schedule your iron supplement away from inhibitors (coffee, calcium). Visual reminder and log.
Create a simple agenda with timeboxes for each topic. Visual countdown and alerts for each.
Compare stick models by length, diameter, and taper. Find the perfect balance for your playing style.
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.
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
Calculate water and soda ash needed to pre‑soak fabric for tie‑dye. Achieve vibrant, long‑lasting colors.
Enter length or period to find the other. Visual swinging animation. Quick physics reference.
Create your own oral rehydration solution by mixing salt, potassium, and sugar to WHO formula. Convert to teaspoon amounts.
Randomly prompts you to press a Windows keyboard shortcut (e.g., Win+E). Learn to be a power user.
Calculate monthly EMIs for any loan type and see the detailed amortization schedule. Compare different interest rates and tenures with instant results.
Calculate the tube length for each note of a pan flute given inner diameter. Build your own instrument.
Estimate daily hay and grain needed for a horse based on weight and workload. Follows 2% body weight rule. Educational reference.
See how making extra payments reduces tenure and saves interest. Visual graph comparing original vs prepaid amortization. Purely local financial tool.
Choose your cup size and sweetness level, and get exact proportions for tea, milk, syrup, and tapioca pearls. Perfect homemade boba every time.
Adjust material types (leaves, grass) to achieve the ideal 30:1 C:N ratio. Improve compost bin performance. Local only.
Select rice type and number of cups to get exact water measurement. Perfect fluffy rice every time.
Count syllables per word and for entire text blocks. Ideal for writing haikus, poetry, and literacy exercises. Local algorithm.
Generate a stitch‑by‑stitch increase pattern for any number of rounds. Ensure your amigurumi or mandala lies perfectly flat.
Compare mouthpiece specifications side‑by‑side. See how changes affect tone and range. Educational for brass players.
Convert volumetric flow rate units: gallons per minute, liters per second, cubic meters per hour. Useful for plumbing and hydraulics.
Enter cabinet width and find optimal placement for knobs or pulls. Visual layout with grid. Achieve professional look.
Search a curated dictionary of modern internet acronyms (IMO, TBH, IYKYK) and slang. Simple offline-capable reference. No tracking.
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.