ix2v Tools
Free online calculators and converters that run entirely in your browser. 122 free tools, no sign-up, no download, works on phone and desktop.
Finance
- Mortgage CalculatorMonthly payment with taxes, insurance, HOA and PMI
- Auto Loan CalculatorMonthly car payment, total interest and total cost
- Federal Income Tax Calculator (2025)2025 brackets, FICA, effective rate and take-home pay
- Bonus Tax CalculatorFederal withholding on a bonus: flat 22% vs aggregate
- Compound Interest CalculatorGrowth of a deposit plus monthly contributions
- Savings & CD Interest CalculatorInterest on a savings account or CD from APY or APR
- Loan Comparison CalculatorCompare two loan offers side by side
- Mortgage Payoff CalculatorSee how extra payments shorten your loan
- Dollar-Cost Averaging CalculatorProject the value of a monthly investing plan
- Currency ConverterConvert between 14 major currencies offline
- APR CalculatorTurn rate plus fees into a true annual cost
- Mortgage Affordability CalculatorHow much house your income supports
- Savings Goal CalculatorMonthly deposit needed to hit a target
- Inflation CalculatorWhat your money will be worth later
- Sales Tax CalculatorAdd sales tax or strip it from a total
Date & Time
- Countdown Calculator: Days Until a DateHow many days until (or since) any date
- Days Between Two DatesTotal days, weeks, months, years and business days
- Age CalculatorExact age in years, months and days, plus next birthday
- Add or Subtract Days from a DateFind the date N days, weeks, months or years away
- Week Number CalculatorISO week number, day of the year, days left in the year
- Unix Timestamp ConverterEpoch seconds or milliseconds to date, and back
- Age on a Specific Date CalculatorHow old you are, or will be, on any date
- Zodiac Sign CalculatorWestern star sign and Chinese zodiac animal
- Leap Year CalculatorCheck any year and list leap years in a range
- Business Days CalculatorWorking days between dates or N business days out
- Shift Schedule CalculatorFind your shift on any date from a rotation pattern
- Time Zone ConverterConvert a time between any two world time zones
- Anniversary CalculatorTime together, day milestones and gift themes
- Age Difference CalculatorExact gap between two birth dates, and who is older
- Online Countdown TimerSet a timer in minutes and seconds, no install
- Pomodoro Timer25 minute focus blocks with short and long breaks
Unit Converters
- Length ConverterInches, feet, miles, cm, meters, km and more
- Area ConverterSquare feet, acres, square meters, hectares
- Weight ConverterPounds, ounces, stone, tons, kg and grams
- Temperature ConverterFahrenheit, Celsius, Kelvin and Rankine
- Data Storage ConverterBits, bytes, KB, MB, GB, TB (1000 vs 1024)
- Number to Words ConverterWrite amounts in words for checks and contracts
- Percentage CalculatorX% of Y, percent of a total, percent change
- Pressure Converterpsi, kPa, bar, atm, mmHg, inHg and more
- Power ConverterWatts, kW, hp, BTU/h and tons of cooling
- Energy ConverterJoules, kWh, BTU, therms, calories and eV
- Speed Convertermph, km/h, m/s, ft/s, knots, Mach and pace
- Angle ConverterDegrees, radians, gradians, DMS and turns
- Volume ConverterGallons, quarts, cups, fl oz, liters, cu ft
- Shoe Size ConverterUS, UK, EU, CM/JP and kids shoe sizes
- Roman Numeral ConverterArabic to Roman numerals and back, 1 to 3999
- Time Unit ConverterMilliseconds, seconds, hours, days, months, years
- Ring Size ConverterUS, UK, EU and Japan ring sizes from mm
Kitchen & Baking
Home Improvement
- Tile CalculatorHow many tiles, boxes and bags of thin-set you need
- Paint CalculatorGallons of paint and primer for a room
- Flooring CalculatorBoxes, square feet and cost for any flooring type
- Wallpaper CalculatorHow many double rolls of wallpaper for a room
- Drywall CalculatorSheets, joint compound, tape and screws for a room
Health
- BMI CalculatorBody mass index and healthy weight range for your height
- BMR & TDEE Calorie CalculatorDaily calorie needs to maintain, lose or gain weight
- Pregnancy Due Date CalculatorEstimated due date from LMP, conception, IVF or ultrasound
- Target Heart Rate CalculatorMax heart rate and training zones by age
- Body Fat CalculatorBody fat percentage from tape measurements (US Navy method)
- Pregnancy Week CalculatorHow many weeks pregnant you are, by LMP or due date
- Baby Formula CalculatorHow much formula your baby needs per day and per feeding
- Blood Pressure CalculatorClassify your reading by the 2017 ACC/AHA categories
- Ideal Weight CalculatorDevine, Robinson, Miller, Hamwi and BMI-22 target weights
- Running Pace CalculatorPace, time or distance, with splits and race predictions
- Calories Burned CalculatorCalories burned by activity, weight and time (MET values)
- Daily Water Intake CalculatorHow much water to drink per day in ounces, cups and liters
- Ovulation CalculatorFertile window and ovulation day from your cycle
- Sleep CalculatorBedtimes and wake times built around 90-minute sleep cycles
- Waist-to-Hip Ratio CalculatorWHR, waist size and waist-to-height ratio with WHO cutoffs
Text & Developer Tools
- Word CounterWords, characters, sentences, reading time, keywords
- Remove Duplicate Lines & SortDedupe, trim, remove blanks, sort A-Z or naturally
- JSON Formatter, Validator & MinifierPretty print, minify, validate with line and column
- URL Encoder / DecoderPercent-encode, decode, and parse query strings
- Base64 Encode / DecodeUTF-8 safe, URL-safe alphabet, MIME line wrapping
- QR Code GeneratorURL, text or Wi-Fi to QR code, download as PNG
- Random Password GeneratorStrong passwords or passphrases with entropy estimate
- UUID Generator (v4 and v7)Bulk random UUIDs, uppercase, no hyphens, braces
- Color Converter (HEX, RGB, HSL)Convert colors, check WCAG contrast, find complement
- Find and ReplaceMatch case, whole word, regex with $1 groups
- Text Diff ToolCompare two texts line by line, see what changed
- Case ConverterUPPER, lower, Title, Sentence, camel, snake, kebab
- Markdown Preview & HTML ConverterLive preview plus the HTML it generates
- Sort LinesA-Z, Z-A, by length, natural, reverse or shuffle
- Image Compressor (in your browser)Shrink JPEG, PNG or WebP without uploading
- Random Picker & Number GeneratorRandom numbers or pick names from a list
- Dice Roller & Coin FlipRoll d4 to d100 and flip coins online
- Reading Time CalculatorWords, characters, read time and speaking time
- Word Frequency CounterCount how often each word appears, with density
- MD5, SHA-1, SHA-256 Hash GeneratorMD5, SHA-1, SHA-256 and SHA-512 of any text
- Cron Expression ParserExplain a crontab line and show the next 5 runs
- PX to REM Converterpx, rem, em, pt, vw and % in both directions
- Regex TesterTest a pattern, highlight matches, preview replacements
- JSON to CSV ConverterJSON array to CSV and CSV back to JSON
- Number Base ConverterBinary, octal, decimal, hex and any base 2-36
- JWT DecoderDecode header, payload and expiry of a JSON Web Token
- Chmod CalculatorCheckboxes to 755, or a number back to rwxr-xr-x
- IP Subnet CalculatorNetwork, broadcast, host range and mask for any CIDR
- HTML Entity Encoder / DecoderEscape & < > quotes, or decode entities back
Letters & Documents
- Time Off Request Letter GeneratorVacation, sick, personal day and leave request emails
- Promissory Note / IOU GeneratorSimple personal loan agreement with amount in words
- Receipt GeneratorCash receipt or bill of sale for a personal transaction
- Resignation Letter GeneratorTwo weeks' notice letter in standard business format
Work & Pay
- FICA Tax Calculator (2025)Social Security and Medicare tax, employee and employer
- Paycheck Calculator: Salary After TaxNet pay per paycheck after federal tax, FICA and deductions
- Overtime Pay CalculatorTime-and-a-half, double time and weekly gross pay
- PTO Accrual CalculatorVacation hours earned by any date, with carryover caps
- Severance Pay CalculatorSeverance weeks, withholding at 22% and net payout
- Social Security Full Retirement Age CalculatorYour FRA, the 62 reduction and delayed credits to 70
- GPA CalculatorSemester and cumulative GPA on the 4.0 scale
- Hourly to Salary CalculatorConvert between hourly, weekly, monthly and annual pay
Everyday Life
- Electricity Cost CalculatorWhat an appliance costs per day, month and year
- Water Bill CalculatorWater, sewer and fixed fees from your monthly usage
- Fuel Cost CalculatorTrip cost, MPG, L/100km and an EV comparison
- Discount CalculatorSale price with a stacked coupon and sales tax
- Tip Calculator & Bill SplitterTip, total and the per-person share, with rounding
- Cousin CalculatorFirst cousin once removed? Count the generations
- Unit Price CalculatorCompare packages by price per ounce, gram or item
- Aspect Ratio CalculatorSimplify a ratio and resize without distortion
- PPI CalculatorPixel density, dot pitch and retina distance
- Random Word GeneratorRandom nouns, verbs and adjectives with filters