Everyday Utilities
Small tools for everyday questions: how many days until a date, what time it is in another city, how many centimetres in an inch.
All 75 utility tools
Grouped by what they do.
Dates & calendars
14 toolsAnswer questions about dates, ages and calendars.
- Time Zone Converter See one moment in many cities and find meeting hours that suit everyone.
- Age Calculator Exact age on any date, totals in days and weeks, and your next birthday.
- Date Calculator Days between dates, working days, and any date plus or minus a duration.
- Nepali Date Converter (BS to AD, AD to BS) Bikram Sambat to English dates and back, with today’s Nepali date and age in BS.
- Timesheet Calculator Clock in and out for each day — hours, overtime and pay for the week.
- Printable Calendar Month, year and planner calendars for any year — print them or save an A4 or Letter PDF.
Show all 14 Show fewer Dates & calendars tools
- Sleep Cycle Calculator (Bedtime & Wake-up) Bedtimes and wake-up times that fit whole sleep cycles, plus how much sleep you need.
- Week Number Calculator Today’s week number, the week of any date and the dates of any week.
- Time Duration Calculator Hours between two times or dates, minus breaks, totalled across as many rows as you need.
- Time Calculator Clock time ± hours, duration sums, decimal hours and military time in one place.
- Calendar Converter One date in 15 calendars at once — Hijri, Persian, Hebrew, Saka, Bangla, Chinese and more.
- Day of the Week Calculator The weekday of any date, worked out step by step, in the Gregorian or Julian calendar.
- Public Holidays List Official holiday lists with long weekends, bridge days and calendar export.
- Retirement Date Calculator Your superannuation date under FR 56 or the exact-birthday rule, and the time left.
Timers & clocks
7 toolsTime things, count down and keep an eye on the clock.
- Countdown Timer Live days, hours, minutes and seconds until any date, in any time zone.
- Stopwatch Start, pause and record laps with split times — exact even in background tabs.
- Timer Presets or any duration, several at once, with an alarm that rings until you stop it.
- World Clock The time in every city you care about, day or night at a glance, and a full-screen clock.
- Study Focus Timer Focus sessions and breaks, with tasks, a session log and daily stats saved on your device.
- Online Alarm Clock Alarms with repeat days, snooze and a countdown — right in your browser tab.
- Interval Timer Work and rest intervals, rounds and sets, with beeps, voice cues and a big colour display.
Money & everyday maths
8 toolsQuick sums for bills, cash and shopping.
- Percentage Calculator Eight percentage calculators, each showing the working for its answer.
- Currency Converter Cross rates for 30 currencies from the ECB’s daily euro reference rates.
- Basic Calculator A desk calculator that never drifts: exact decimals, % that works, and a paper tape.
- Itemised Bill Split Calculator Who had what, who pays what — exact shares with tax, tip and UPI QR codes.
- Electricity Bill & Appliance Cost Calculator Units, the bill and what each appliance costs — with your own tariff.
- Group Expense Splitter (Settle Up) Who paid, who owes — and the fewest payments to settle up.
- Number to Words — Amount in Words (Rupees) Amounts in words for cheques and invoices — lakh, crore, million, Hindi and ordinals.
- IFSC Code Finder & Validator Find or check an IFSC — 1.8 lakh bank branches, searched on your device.
Measure & locate
4 toolsMeasure, convert and find places and codes.
- Unit Converter Exact conversions for 14 kinds of units, with the formula and a full table.
- Online Ruler — Actual Size (cm, mm, inches) A real-size ruler on your screen — calibrate it with any bank card, then measure.
- Prayer Times (Namaz Timings) for Any Location Namaz timings for any city or your location, with monthly and Ramadan timetables.
- PIN Code Finder (India Post) Every Indian PIN code and post office — search by number, place or district.
Travel & vehicles
4 toolsPlan trips and running costs of vehicles.
- Mileage Calculator (Bike & Car km/L) Real-world mileage from your own fill-ups — one tank or a running log.
- Fuel Cost Calculator for Trips Fuel, tolls and time for any trip — split between everyone in the car.
- International Calling Codes & How to Dial Country codes, exit codes and the exact digits to dial — with the time there now.
- Flight Arrival Time Calculator When you land in local time, the +1 or −1 day, and the time back home.
Games, sports & random
10 toolsLeave it to chance, run a game or keep score.
- Password Generator Strong random passwords and passphrases, generated only on your device.
- Random Generator Fair, secure random numbers, list picks, shuffles, coin flips, dice and colours.
- Dice Roller (d4 to d100) Fair virtual dice with holds, a history and the exact chance of every total.
- Spin the Wheel — Random Picker Wheel Type your options, spin, and let a fair wheel decide.
- Coin Flip — Heads or Tails A fair, animated coin toss — with best-of matches, a tally and streak odds.
- Random Team Generator (Balanced by Skill) Fair teams in one click — random, or balanced by skill, with your rules.
Show all 10 Show fewer Games, sports & random tools
- Secret Santa Generator (No Email) Fair Secret Santa draws with exclusions — private links or printed slips, no accounts.
- Bingo Card Generator (75-Ball, 90-Ball, Words) Unique printable cards, a fair caller and a winner checker for any bingo game.
- Random String & Code Generator Unique coupon, voucher and invite codes, PINs and test IDs — up to 100,000 at a time.
- Tambola / Housie Ticket Generator & Caller Standard Housie tickets, a fair number caller and a claim checker — free, no sign-up.
Device & PC tests
8 toolsCheck your hardware and PC set-up.
- CPS Test — Clicks per Second How fast can you click? Live CPS, a click-timing chart and your best scores.
- Webcam Test Check that your camera works and see the resolution and frame rate it really sends.
- Microphone Test See and hear whether your microphone works, how loud it is and how the browser changes it.
- Speaker & Headphone Test Find out whether every speaker plays from the right place, in phase and in balance.
- Keyboard Tester — Test Every Key See every key light up as you press it, with codes, rollover, chatter and repeat rate.
- Mouse Tester (Buttons, Double Click, Scroll) Check every button, the wheel, double-clicks, chatter, drags and the polling rate.
- Dead Pixel Test & Touch Screen Test Fill the screen with test colours to spot dead pixels, and map touch dead zones.
- What Is My Screen Resolution? Your screen’s resolution, scaling, colour and refresh rate — and its PPI and real size.
Sound & music
4 toolsMake sounds and tune instruments.
- White, Pink & Brown Noise Generator Six colours of noise, mixable and shaped, with a sleep timer — made live in your browser.
- Online Tuner (Guitar, Ukulele, Violin, Chromatic) A chromatic tuner in your browser: note, cents, needle and swara, analysed on your device.
- Tanpura & Shruti Box Online A tanpura and shruti-box drone in any Sa, for singing and instrument practice.
- Chord Transposer & Capo Calculator Move any chord sheet to a new key, and find the capo for easy chord shapes.
Home, food & pets
7 toolsSmall helpers for home, kitchen and pets.
- Dog Age Calculator (Dog Years to Human Years) Dog years to human years by size, with the DNA-clock formula and your dog’s life stage.
- Recipe Scaler — Scale Servings & Pan Size Paste the ingredients, pick the servings, get amounts you can measure.
- Tally Counter (Jap / Tasbih Counter) Tap to count — for japa, tasbih, scores, people or stock.
- Cups to Grams Converter Cups and spoons to grams and back for 100+ ingredients, each from a cited USDA record.
- Marriage Biodata Maker A print-ready marriage biodata in your language, with photo — made on your device.
- To-Do List & Shopping List Tasks, shopping, packing and daily habits — private, offline and free.
- Zodiac Sign Finder Your star sign, Chinese animal, birthstone and planet ages — facts, not forecasts.
Codes & files
9 toolsRead codes and handle files.
- ZIP & RAR Extractor Unpack ZIP, RAR, 7z and TAR archives on your device — nothing is uploaded.
- Barcode Scanner Online (Camera or Image) Read any barcode on your device, with its check digit, GTIN, batch and expiry explained.
- Morse Code Translator With Audio Text to International Morse code and back, with sound, light, vibration and a key.
- QR Code & Barcode Scanner See what a QR code or barcode says — and where it leads — before you act on it.
- Barcode Generator Print-ready barcodes with checked digits and exact sizes — one or a thousand.
- Card & Check-digit Validator Is the number well formed? Luhn, GS1 and ISBN check digits, worked out step by step.
Show all 9 Show fewer Codes & files tools
- Duplicate File Finder Find identical files — and look-alike photos — across your folders, on your device.
- Batch File Renamer Rename many files with numbers, dates and find & replace — preview first. Pro tool
- 3D Model Converter Convert STL, OBJ, PLY, glTF and 3MF files, fix units and orientation, check the size.
No utility tools match these filters.
Choose “Anything” in one of the filters, or look across every category on All tools.
Utility tools A–Z
B
C
D
I
M
O
P
R
S
T
W
Collections with utility tools
All collections →- 174 tools Students Grades, marks & exams · Essays & writing · Citations & references · 4 more
- 48 tools Health & fitness Weight & body · Calories & nutrition · Workouts & training · 2 more
- 107 tools Small business & tax Invoices & billing · GST, VAT & tax · Pricing, profit & stock · 4 more
- 197 tools Developers JSON, YAML & data formats · Format, convert & run code · Encode, decode & hash · 5 more
Good to know
- All 75 tools run in your browser: what you open or paste is not uploaded.
- 72 of 75 keep working without a connection once loaded.
- 7 of 75 tools use the network for part of their work; each one says on its page what it sends and where.
- Results are estimates for planning and learning, not financial, medical or legal advice. Check the method and assumptions on each tool’s page.
Other categories
All tools →- 132 tools Developer Format, validate, encode, decode.
- 40 tools Data CSV, Excel, tables, charts.
- 95 tools Text Count, clean, sort, compare.
- 92 tools Image Compress, resize, convert, crop.
- 55 tools PDF Merge, split, extract, convert.
- 35 tools Audio & Video Convert, trim, compress media.
- 56 tools Design Colours, gradients, CSS.
- 36 tools SEO Meta tags, sitemaps, schema.
- 27 tools Social Media Captions, previews, limits.
- 94 tools Finance Loans, savings, interest, tax.
- 78 tools Business Invoices, quotes, margins.
- 39 tools Legal Templates and legal maths.
- 48 tools Health BMI, calories, pregnancy.
- 51 tools Math Calculators and solvers.
- 45 tools Science Physics, chemistry, astronomy.
- 31 tools Engineering Electronics, electrical, mechanical.
- 29 tools Construction Materials, area, home costs.
- 80 tools Education Grades, citations, study.
- 36 tools Network DNS, headers, IPs, subnets.
- 35 tools Security Passwords, encryption, keys.
- 33 tools Converters Every unit, exact factors.