Quarter of Year Finder - Online Q1 Q2 Q3 Q4 Tool
Enter any date and instantly know which quarter it belongs to. Also shows fiscal quarter if start month set.
UD5 Toolkit
Enter any date and instantly know which quarter it belongs to. Also shows fiscal quarter if start month set.
Calculate how many books, DVDs, or vinyl records fit on a shelf given its length and depth. Useful for home library planning. Local only.
Enter two Unix timestamps and get the exact difference in days, hours, minutes, and seconds. Quick time debugging.
A visual guide to common copyβediting and proofreading symbols. Click a mark to see its meaning. For writers.
Find out what day number of the year any date is (1β366). Also shows days remaining. Simple reference.
Pomodoro timer that saves completed sessions to localStorage. View daily/weekly stats. Boost productivity with data.
Calculate tips and split bills easily. Adjust tip percentage and number of people. Perfect for dining out. All computations happen on your device.
Animate elements as they enter and exit the viewport using view() timeline. Parallax and reveal effects without JS.
Write and store encrypted daily journal entries directly in your browser's localStorage. Export as TXT. No sign-up, fully private.
Compute Poisson probabilities for a given mean rate. Ideal for call centers, traffic analysis. Instant chart.
Enter your clay's shrinkage rate and the desired fired size to determine the wet dimensions you need to throw or slab build. Essential for functional ware.
Load a video file and grab any frame as a still image. Navigate frame by frame. Download the snapshot. All done on your device.
Add N business days to a date, skipping weekends and optionally entering custom holidays. Regional presets.
Convert any date into Roman numerals (dayβmonthβyear) for tattoos or special occasions. Clean and local.
Convert any date into Roman numerals (dayβmonthβyear) for tattoos or special occasions. Clean and local.
Apply userβselect: none, text, all and see how it affects selection. Copy the CSS snippet for your UI elements.
Convert numbers to Roman numerals and decode Roman numerals back to numbers. Supports up to large values. A fun educational tool running entirely in your browser.
Design a pure CSS tooltip with custom text, position (top/bottom/left/right), and arrow. Copy the clean code.
Test overscrollβbehavior: contain to prevent background scroll or pullβtoβrefresh. See the effect in a live demo.
Paste a URL or HTML to detect known vulnerable JavaScript library versions. Quick security audit. Clientβside only.
Quick reference for what to do (and not do) after a snake bite. Pressure immobilization bandage diagram.
Choose label type and get the best technique (baking soda, steam, milk) to remove it intact.
Enter frame size and image size to calculate mat borders. Visual preview. Precise framing.
Find what day of the week any past or future date falls on. Uses Zellerβs congruence. Fun historical reference tool.
Select your racquet head size, string type, and play style to get a recommended tension range. Find your sweet spot.
Generate a horizontal Codeβ128 barcode from any string. Download as PNG or SVG. Works offline. For inventory.
Write a message and set a future date. It will be hidden until that day. All stored locally with countdown.
Create simple 2β or 3βset Venn diagrams by entering commaβseparated lists. Shareable via URL fragment. No account.
Calculate resistor values for transistor fixed bias or voltage divider configuration. Quick quiescent point analysis.
Add player names and tap +/- to track scores. Custom starting points. Works for any game.