Invoice Generator
Create a professional printable invoice with line items, tax, and totals.
Free Online Tools
Free calculators and utility tools for business, office work, finance, dates, text, development, passwords, QR codes, barcodes, colors, design, random selection, health, and unit conversion. No account is required.
Business & Office Tools
Estimate Generator
Create a printable project estimate or quotation with pricing and notes.
Receipt Generator
Create a simple printable payment receipt for products or services.
Purchase Order Generator
Create a printable purchase order with vendor, items, and totals.
Timesheet Generator
Create a weekly employee timesheet with daily hours and totals.
Work Hours Calculator
Calculate daily work hours, breaks, weekly totals, and overtime.
Meeting Agenda Generator
Create a structured printable meeting agenda with topics and timing.
Email Signature Generator
Build a professional HTML email signature with contact details.
Fax Cover Sheet Generator
Create a printable fax cover sheet with sender, recipient, and confidentiality notice.
Shipping Label Generator
Create a clean printable shipping label with sender and recipient addresses.
Address Label Generator
Create printable mailing labels from one or more addresses.
Printable Calendar Generator
Generate a clean monthly calendar for printing.
Employee Schedule Generator
Create a printable weekly employee work schedule.
IT Equipment Inventory Generator
Create an organized inventory of computers, devices, serial numbers, and assignments.
Office Closure Notice Generator
Create a professional printable office closure announcement.
Business Card Generator
Create a simple printable business card with contact and company details.
Finance & Business
Percentage Calculator
Calculate percentages, percentage change, and ratios.
Loan Payment Calculator
Estimate monthly loan payments and total interest.
Mortgage Calculator
Estimate monthly mortgage payments and total cost.
Simple Interest Calculator
Calculate simple interest and final balance.
Compound Interest Calculator
Calculate compound growth over time.
Profit Margin Calculator
Calculate profit and gross margin percentage.
Markup Calculator
Calculate markup percentage and profit.
Discount Calculator
Calculate sale price and total savings.
Sales Tax Calculator
Calculate tax amount and final price.
Salary to Hourly Calculator
Convert annual salary and hourly pay.
Overtime Calculator
Calculate regular and overtime earnings.
Tip Calculator
Calculate tip, total bill, and cost per person.
Fuel Cost Calculator
Estimate trip fuel usage and cost.
Mileage Reimbursement Calculator
Calculate reimbursement from miles and rate.
Date & Time
Age Calculator
Calculate exact age and days until the next birthday.
Date Difference Calculator
Find the number of days between two dates.
Day Counter
Count days, weeks, and approximate months between dates.
Business Days Calculator
Count weekdays between two dates.
Week Number Calculator
Find the ISO week number and weekday for any date.
Add Days to Date Calculator
Add calendar days to a date and find the resulting date.
Subtract Days from Date Calculator
Subtract calendar days from a date and find the resulting date.
Hours Between Times Calculator
Calculate elapsed hours and minutes between two date-times.
Minutes to Hours Converter
Convert minutes into decimal hours and hours-and-minutes format.
Military Time Converter
Convert between 12-hour AM/PM time and 24-hour military time.
ISO Date Converter
Convert dates and times to standardized ISO 8601 format.
Countdown Calculator
Calculate the time remaining until a future date and time.
Time Zone Converter
Convert a date and time between common world time zones.
Day of the Week Calculator
Find the weekday, day of year, and ISO week for any date.
Leap Year Calculator
Check whether a year is a leap year and inspect nearby leap years.
Days in Month Calculator
Find the number of days in any month and year.
Health
BMI Calculator
Calculate body mass index using metric or imperial units.
Calorie Calculator
Estimate daily calorie needs from activity level.
Unit Converters
Unit Converter
Convert common distance, volume, and length units.
File Size Converter
Convert bytes, KB, MB, GB, and TB.
Celsius to Fahrenheit Converter
Convert Celsius and Fahrenheit temperatures.
Feet to Meters Converter
Convert feet and meters.
Pounds to Kilograms Converter
Convert pounds and kilograms.
General Converter Tools
Aspect Ratio Calculator
Calculate dimensions while preserving an image or screen aspect ratio.
Binary to Text Converter
Convert 8-bit binary values into readable text.
Text to Binary Converter
Convert text into UTF-8 binary byte values.
Decimal to Binary Converter
Convert decimal integers into binary notation.
Binary to Decimal Converter
Convert binary numbers into decimal integers.
Hex to Decimal Converter
Convert hexadecimal numbers into decimal integers.
Decimal to Hex Converter
Convert decimal integers into hexadecimal notation.
Octal Converter
Convert values between octal and decimal notation.
ASCII Converter
Convert text to ASCII codes or ASCII codes back to text.
Roman Numeral Converter
Convert integers to Roman numerals or Roman numerals to integers.
Morse Code Translator
Translate text to Morse code or Morse code back to text.
Unicode Converter
Convert text to Unicode code points or code points back to text.
HTML Entity Encoder and Decoder
Encode reserved characters as HTML entities or decode entities to text.
Number Base Converter
Convert integers between binary, octal, decimal, and hexadecimal bases.
Data Storage Converter
Convert bytes and common decimal or binary storage units.
Screen Resolution Converter
Scale screen dimensions and compare common display resolutions.
DPI and PPI Calculator
Calculate pixel density from screen size, pixel dimensions, or print dimensions.
Text Tools
Word Counter
Count words, characters, sentences, paragraphs, and reading time.
Character Counter
Count characters with and without spaces, words, and lines.
Case Converter
Convert text to uppercase, lowercase, title case, sentence case, or alternating case.
Remove Duplicate Lines
Remove repeated lines while preserving the original order.
Sort Lines
Sort text lines alphabetically, numerically, ascending, or descending.
Remove Extra Spaces
Clean repeated spaces, tabs, and unnecessary blank lines.
Find and Replace
Find text and replace all matching occurrences instantly.
Text Diff Checker
Compare two text blocks and display line-by-line differences.
Slug Generator
Convert a title or phrase into a clean URL-friendly slug.
HTML Tag Remover
Remove HTML tags and return readable plain text.
Email Extractor
Extract unique email addresses from pasted text.
URL Extractor
Extract unique web addresses from pasted text.
Reading Time Calculator
Estimate reading and speaking time for any text.
Lorem Ipsum Generator
Generate placeholder paragraphs, sentences, or words.
Random Name Generator
Generate random first names, last names, or full names.
Developer Tools
JSON Formatter
Format JSON with readable indentation and sorted output options.
JSON Validator
Validate JSON syntax and identify parsing errors.
JSON Minifier
Remove unnecessary whitespace from JSON data.
JSON to CSV Converter
Convert JSON arrays and objects into CSV format.
CSV to JSON Converter
Convert CSV data into structured JSON.
Base64 Encoder and Decoder
Encode text to Base64 or decode Base64 back to text.
URL Encoder and Decoder
Percent-encode or decode text for use in URLs.
JWT Decoder
Decode JWT header and payload data without verifying its signature.
UUID Generator
Generate one or more random UUID version 4 identifiers.
Unix Timestamp Converter
Convert Unix timestamps to dates or dates to Unix timestamps.
Regex Tester
Test regular expressions and inspect matching text groups.
Cron Expression Helper
Build and explain standard five-field cron expressions.
Markdown Preview
Convert common Markdown syntax into a safe HTML preview.
HTML Formatter
Format and indent HTML source for easier reading.
SQL Formatter
Format common SQL statements and clauses for readability.
Password & Security Tools
Password Generator
Generate strong random passwords with custom length and character options.
Passphrase Generator
Create memorable random passphrases from multiple words.
Password Strength Checker
Estimate password strength, entropy, and common security weaknesses.
Random Token Generator
Generate secure random hexadecimal, URL-safe, or numeric tokens.
Hash Generator
Generate SHA-256, SHA-512, SHA-1, or MD5 hashes from text.
QR Code & Barcode Tools
QR Code Generator
Create a downloadable QR code from a URL or plain text.
Wi-Fi QR Code Generator
Create a QR code that connects phones and tablets to a Wi-Fi network.
vCard QR Code Generator
Create a contact QR code with name, phone, email, and organization.
Email QR Code Generator
Create a QR code that opens a prefilled email message.
SMS QR Code Generator
Create a QR code that opens a prefilled text message.
Phone Number QR Code Generator
Create a QR code that opens the phone dialer.
WhatsApp QR Code Generator
Create a QR code that opens a WhatsApp conversation with an optional message.
Location QR Code Generator
Create a QR code for latitude and longitude coordinates.
Calendar Event QR Code Generator
Create a QR code for an iCalendar event.
Code 128 Barcode Generator
Generate a downloadable Code 128 barcode in SVG format.
EAN-13 Barcode Generator
Generate an EAN-13 product barcode from 12 or 13 digits.
UPC-A Barcode Generator
Generate a UPC-A product barcode from 11 or 12 digits.
Random Generators
Random Number Generator
Generate random whole numbers within a custom range.
Random Integer List Generator
Generate a list of random integers with optional duplicates.
Random Decimal Generator
Generate random decimal values with custom precision.
Random List Picker
Choose one or more random items from a pasted list.
Random Team Generator
Shuffle names and divide them into random teams.
Random Yes or No Generator
Get an unbiased random yes or no answer.
Coin Flip Generator
Flip one or more virtual coins and count heads and tails.
Dice Roller
Roll common or custom-sided virtual dice.
Random Letter Generator
Generate random uppercase or lowercase letters.
Random String Generator
Generate random strings from selected character groups.
Random Date Generator
Generate random dates between two selected dates.
Lottery Number Generator
Generate unique random lottery numbers from a custom range.
List Shuffler
Randomly shuffle lines while preserving every item.
Random Decision Maker
Choose a random option from a list of decisions.
Random Wheel Picker
Pick a random winner from a list using a wheel-style result.
Color & Design Tools
Color Converter
Convert colors between HEX, RGB, and HSL formats.
Color Picker
Choose a color and view its HEX, RGB, and HSL values.
Color Palette Generator
Generate harmonious color palettes from a base color.
CSS Gradient Generator
Create linear CSS gradients and copy the generated code.
Color Contrast Checker
Check WCAG contrast ratios for text and background colors.
CSS Box Shadow Generator
Build CSS box-shadow values with an instant preview.
CSS Text Shadow Generator
Create CSS text-shadow values and preview the result.
CSS Border Radius Generator
Generate CSS border-radius values for rounded shapes.
Random Color Generator
Generate random colors with HEX, RGB, and HSL values.
CSS Button Generator
Create a reusable CSS button with custom colors and spacing.
CSS Triangle Generator
Generate a pure CSS triangle in any direction.
Aspect Ratio Calculator
Calculate dimensions while preserving an image or screen aspect ratio.
SEO & Website Tools
Meta Tag Generator
Generate essential HTML meta tags for titles, descriptions, robots, and viewport settings.
Google Search Result Preview
Preview how a page title, URL, and description may appear in Google search results.
Open Graph Generator
Generate Open Graph meta tags for richer social sharing previews.
Twitter Card Generator
Generate Twitter Card metadata for shared links.
UTM Link Generator
Build campaign URLs with UTM source, medium, campaign, term, and content parameters.
Robots.txt Generator
Create a robots.txt file with allow, disallow, crawl-delay, and sitemap directives.
XML Sitemap Generator
Generate a simple XML sitemap from a list of website URLs.
Canonical Tag Generator
Create a canonical link tag for the preferred URL of a page.
Schema Markup Generator
Generate JSON-LD schema markup for websites, organizations, articles, products, and local businesses.
Redirect Rule Generator
Generate common redirect rules from an old URL to a new destination.
.htaccess Redirect Generator
Create Apache .htaccess redirect rules for individual URLs or an entire domain.
Nginx Redirect Generator
Create Nginx redirect and return rules for URL migrations.
Keyword Density Checker
Measure keyword frequency, density, word count, and top repeated terms.
URL Parser
Break a URL into scheme, host, port, path, query parameters, and fragment.
Domain Name Generator
Generate lightweight domain-name ideas from keywords and selected extensions.
HTML Minifier
Remove comments and unnecessary whitespace from HTML source.
CSS Minifier
Remove comments and unnecessary whitespace from CSS source.
JavaScript Minifier
Apply conservative whitespace and comment reduction to JavaScript source.