Day of Year Calculator - Online Ordinal Date
Find out what day number of the year any date is (1β366). Also shows days remaining. Simple reference.
UD5 Toolkit
Track the days, hours, minutes, and seconds until your favorite holidays. Never miss a celebration!
Find out what day number of the year any date is (1β366). Also shows days remaining. Simple reference.
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.
Convert a Gregorian calendar date to its Julian Day Number and vice versa. Used in astronomy and mainframe computing.
Pomodoro timer that saves completed sessions to localStorage. View daily/weekly stats. Boost productivity with data.
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.
Enter any date and instantly know which quarter it belongs to. Also shows fiscal quarter if start month set.
Enter starting room temp, target temp, and method to see how many minutes to chill your wine perfectly.
Convert any integer up to 3999 into its Roman numeral representation and vice versa. Quick and accurate. Local.
Generate a horizontal Codeβ128 barcode from any string. Download as PNG or SVG. Works offline. For inventory.
Adjust cocktail ingredient quantities based on desired total volume or number of servings. Preserve classic ratios. Perfect for home bartenders.
Calculate how many books, DVDs, or vinyl records fit on a shelf given its length and depth. Useful for home library planning. Local only.
Wait for the box to turn green, then tap as fast as possible. Measure milliseconds. Compete with friends.
Paste any JavaScript snippet and get a readyβtoβdrag bookmarklet link. Minify and encode automatically. Pure client.
Encode decimal integers into signed magnitude binary representation and decode back. Learn computer arithmetic.
Look at HTTP headers and JavaScript objects to guess which browser extensions might be installed. For awareness.
Write expressions with clamp(), min(), max(), abs(), sign(), round() and see the computed value. Modern CSS calculations.
Calculate tips and split bills easily. Adjust tip percentage and number of people. Perfect for dining out. All computations happen on your device.
Paste a URL or HTML to detect known vulnerable JavaScript library versions. Quick security audit. Clientβside only.
Enter min and max font sizes and viewport widths to generate a perfect CSS clamp() expression. Fluid typography without media queries.
Convert decimal negative and positive numbers to 8/16/32-bit two's complement binary. Essential for low-level programming.
Define min and max font sizes and viewport widths. Generate a complete fluid type scale using CSS clamp() for all headings.
Paste long text and split it into 2, 3, or 4 balanced CSS columns. Preview and copy HTML/CSS. For magazine layouts.
Fairly distribute pooled tips among staff based on hours worked or points. Customizable percentages. All calculations local and private.
Paste two JSON objects and see a highlighted diff showing what was added, removed, or changed. For API testing.
Find equivalent colors across DMC, Anchor, and Madeira embroidery floss brands. Enter a code to see matches. Local reference database.
Set a short timer with a themed emoji animation (e.g., pizza cooking). A playful visual countdown.
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
A festive, fullβscreen countdown showing the exact days, hours, and minutes until December 25th. Snow effect.
Set your birth date and see a live countdown with days, hours, minutes, and seconds. Shareable link. Pure frontend.