TechCrz

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• Unit converters25 tools
• Text tools18 tools
• Number tools11 tools
• Money and everyday calculators5 tools
• Date and time calculators6 tools
• Developer tools9 tools
• Checkers and generators12 tools

Featured tools

• Word CounterCount words, characters, sentences and reading time
• Password GeneratorMake strong random passwords in your browser
• Miles to Kilometers Converter1 mile = 1.609344 kilometers
• Celsius to Fahrenheit Converter0 °C = 32 °F; F = C x 9/5 + 32
• Percentage Calculator: What Is X% of Y?Find a percentage of any number
• JSON Formatter and ValidatorPretty-print, minify and validate JSON
• Loan Payment CalculatorMonthly payment, total interest and the first 12 payments
• Age CalculatorWork out exact age in years, months and days
• Days Between Two Dates CalculatorCount days, weeks, months and weekdays between two dates
• Hash Generator (SHA-256, SHA-1, SHA-512)Hash text with SHA-1, SHA-256, SHA-384 and SHA-512
• JWT DecoderRead the header and payload of a JSON Web Token
• Regex TesterTest a regular expression and list every match and group

Length, weight, temperature, area, volume, speed, data size and time, with the exact factors shown.

• Miles to Kilometers Converter1 mile = 1.609344 kilometers
• Inches to Centimeters Converter1 inch = 2.54 centimeters
• Feet to Meters Converter1 foot = 0.3048 meters
• Yards to Meters Converter1 yard = 0.9144 meters
• Centimeters to Feet Converter1 centimeter = 0.032808399 feet
• Pounds to Kilograms Converter1 pound = 0.45359237 kilograms

Count, change, sort, number and encode text without leaving the page.

• Word CounterCount words, characters, sentences and reading time
• Character CounterCount characters with and without spaces, against your own limit
• Case ConverterSwitch text to upper, lower, title, sentence, camel and snake case
• Remove Duplicate LinesDelete repeated lines and keep the first of each
• Sort Lines AlphabeticallySort a list A to Z, Z to A, by number, by length or naturally
• Slug MakerTurn a title into a clean URL slug

Percentages, averages, ratios, random numbers, Roman numerals and number bases.

• Percentage Calculator: What Is X% of Y?Find a percentage of any number
• What Percent Is X of Y?Find what percent one number is of another
• Percent Change CalculatorFind the percent increase or decrease between two numbers
• Average Calculator (Mean, Median, Mode)Mean, median, mode, range and standard deviation of a list
• Random Number GeneratorDraw random whole numbers from a range, with or without repeats
• Roman Numeral ConverterConvert numbers to Roman numerals and back

Loan payments, interest, discounts and tips, with the formula shown.

• Discount CalculatorWork out the sale price, savings and optional sales tax
• Loan Payment CalculatorMonthly payment, total interest and the first 12 payments
• Simple Interest CalculatorInterest = principal x rate x time
• Compound Interest CalculatorGrowth of an amount with interest on interest
• Tip CalculatorTip, total and each person's share

Days between dates, age, weekdays, week numbers and Unix time, leap years included.

• Unix Timestamp ConverterConvert Unix time to a date and a date to Unix time
• Days Between Two Dates CalculatorCount days, weeks, months and weekdays between two dates
• Add or Subtract Days from a DateFind the date that is N days, weeks, months or years away
• Age CalculatorWork out exact age in years, months and days
• Day of the Week CalculatorFind which weekday any date falls on
• Week Number Calculator (ISO 8601)Find the ISO week number of any date

JSON, CSV, JWT, regular expressions, text diff, HTML entities and query strings.

• JSON Formatter and ValidatorPretty-print, minify and validate JSON
• JWT DecoderRead the header and payload of a JSON Web Token
• Regex TesterTest a regular expression and list every match and group
• HTML Entity Encoder and DecoderEscape or unescape &, <, > and other characters for HTML
• CSV to JSON ConverterTurn CSV rows into a JSON array
• JSON to CSV ConverterTurn a JSON array into CSV for a spreadsheet

Password strength and generator, MD5 and SHA hashes, file checksums, UUIDs and colors.

• Password Strength CheckerEstimate how hard a password is to guess, without sending it anywhere
• Password GeneratorMake strong random passwords in your browser
• Hash Generator (SHA-256, SHA-1, SHA-512)Hash text with SHA-1, SHA-256, SHA-384 and SHA-512
• UUID Generator (Version 4)Generate random UUIDs and check whether one is valid
• Color Converter (HEX, RGB, HSL)Convert colors between HEX, RGB and HSL
• Lorem Ipsum GeneratorMake placeholder paragraphs, sentences or words