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Units and text counts come with plain definitions, so you know what the result means.
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cm
Length
cm, inches, metres and more.
kg
Weight
kg, pounds, grams and ounces.
°C
Temperature
Celsius, Fahrenheit, kelvin and Rankine.
m²
Area
m², ft², hectares and acres.
L
Volume
Litres, cups, US and UK gallons.
m/s
Speed
km/h, mph, m/s and knots.
B
Digital storage
Bits, bytes, MB/GB and MiB/GiB.
s
Time
Seconds, minutes, hours, days and weeks.
Pa
Pressure
Pa, kPa, bar, psi, atmospheres and Torr.
QR
QR code generator
QR codes for links, Wi-Fi, contacts and email, as PNG or SVG.
•••
Password generator
Strong random passwords, generated privately in your browser.
31
Date calculator
Days between dates, add or subtract time, age and working days.
VAT
VAT calculator
Add or remove VAT at any rate and see net, VAT and gross.
|||
Barcode checker
Check EAN, UPC and ISBN numbers, see the country prefix and draw the barcode.
{ }
JSON formatter
Format, validate and minify JSON, with the exact line and column of any error.
64
Base64 converter
Encode text to Base64 or decode Base64 to text, with URL-safe output.
Li
Lorem ipsum generator
Generate lorem ipsum by paragraphs, sentences or words, plain or as HTML.
UTC
Timestamp converter
Convert Unix timestamps to dates and back, in seconds or milliseconds, UTC or local.
BMI
BMI calculator
Calculate body mass index in metric or imperial units, with the weight range for your height.
%
Tip calculator
Calculate a tip and split the bill between any number of people.
#
Random number generator
Generate random integers or decimals in any range, with no repeats and sorting.
H/T
Coin flip
Flip one or many coins and keep a running tally of heads and tails.
d6
Dice roller
Roll any number of dice from d4 to d100 and see each die and the total.
?
Random name picker
Pick one or more names from a list at random, with no duplicates and a copyable result.
RGB
Color converter
Convert HEX, RGB, HSL and CMYK and check WCAG contrast between two colors.
TZ
Time zone converter
Convert a time between time zones and compare several cities side by side.
PDF
Merge PDF
Combine PDF files into one, in the order you choose. Nothing is uploaded.
PDF
Split PDF
Extract chosen pages or split a PDF into parts. Nothing is uploaded.
Loan
Loan calculator
Calculate loan payments, total interest and a full repayment schedule.
Home
Mortgage calculator
Estimate a monthly mortgage payment with down payment, total interest and a full schedule.
utm
UTM link builder
Build campaign links with UTM source, medium, campaign, term and content.
$€
Currency converter
Convert between 160+ currencies at daily rates, with historical dates and a rate chart.
ID
UUID generator
Generate UUID v4 and v7 identifiers in bulk, with format options.
#
Hash generator
Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.
%20
URL encoder and decoder
URL encode and decode text, links and query parameters.
CSV
CSV to JSON converter
Convert CSV or spreadsheet data to JSON objects or arrays.
SERP
SERP snippet preview
Preview Google search snippets with pixel-width checks for titles and meta descriptions.
x̄
Average calculator
Find the average, median, mode, range and standard deviation of a list of numbers.
GPA
GPA calculator
Calculate semester and cumulative GPA from letter grades and credit hours.
16:9
Aspect ratio calculator
Calculate and simplify aspect ratios, and resize to a new width or height.
rem
PX to REM converter
Convert px to rem and rem to px with a custom base font size.
%+
Compound interest calculator
Future value with compound interest and monthly deposits, plus a yearly table.
kcal
TDEE calculator
Daily calories from BMR and activity level, with targets for weight loss or gain.
JPG
JPG to PDF
Convert JPG, PNG and WebP images into one PDF. Nothing is uploaded.
h:m
Time calculator
Add and subtract hours and minutes, and work out time between two clock times.
𝓐a
Font generator
Fancy text generator: bold, italic, script, bubble and more, ready to copy and paste.
0:00
Timer and stopwatch
Online timer, stopwatch with laps and countdown to a date, with a sound when time is up.
◉
Image Color Picker
Pick a colour. Find a palette. From your own images.
#
Palette Generator
Create, refine and preview colour palettes.
png
Image Converter
Convert between PNG, JPG and WebP.
px
Image Resizer
Resize by pixels or percentage.
KB
Image Compressor
Reduce file size and compare the result.
ab
Find & Replace
Find and replace text with a match count.
url
Slug Generator
Create clean URL slugs from titles.
×n
Text Repeater
Repeat text with your choice of separator.
Az
Text Sorter
Sort, reverse or shuffle text lines.
≠
Text Compare
Compare versions, with additions and deletions highlighted.
Tx
Text Cleaner
Clean spaces, blank lines and duplicate lines.
aA
Case Converter
Uppercase, lowercase, title case and more.
%
Percentage Calculator
Percentages, changes, increases and decreases.
½
Fraction Calculator
Fraction arithmetic, simplification and mixed numbers.
xⁿ
Power Calculator
Powers and roots, with clear steps and practice.
±
Calculator
Everyday maths, with brackets, percentages and history.
0x
Base Converter
Binary, octal, decimal and hex, with explanations and practice.
XIV
Roman Numeral Converter
Roman ↔ Arabic numbers, with examples and practice.
Aa
Word Counter
Words, characters, sentences and reading time.
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