Tools & Utilities
Free online utilities, engineering calculators, image tools, and productivity helpers.
Popular Tools
QR Code Generator
Create downloadable QR codes for URLs, contact info, or text.
Password Generator
Generate secure random passwords with length, character, and symbol options.
Percentage Calculator
Calculate percentages, percent change, discounts, increases, and decreases.
Unit Converter
Convert length, weight, temperature, area, volume, speed, data, and digital storage units.
Sales Tax Calculator
Calculate sales tax, pre-tax price, and total price.
Tip Calculator
Calculate tip, total bill, and split amounts per person.
Random Number Generator
Generate random numbers within a custom range.
Coin Flip Simulator
Flip one or many virtual coins and count the results.
Dice Roller
Roll virtual dice with custom sides and quantities.
Random Name Picker
Pick a random winner, option, name, or item from a list.
Random Team Generator
Split a list of names into fair random teams for work, class, or games.
Text & Writing
Word Counter
Count words, characters, sentences, paragraphs, and estimated reading time.
Case Converter
Convert text between common cases for writing, code, and URLs.
Slug Generator
Generate clean, SEO-friendly URL slugs from titles and headings.
Lorem Ipsum Generator
Create placeholder copy for layouts, mockups, and prototypes.
Text Cleaner
Normalize whitespace, remove blank lines, and strip HTML tags.
Remove Duplicate Lines
Deduplicate lists while preserving the original line order.
Sort Lines
Sort lines alphabetically, reverse sort, and optionally remove duplicates.
Text Similarity Checker
Compare two blocks of text and calculate their similarity.
Line Counter
Count total lines, blank lines, nonblank lines, words, and characters.
Whitespace Remover
Remove spaces, tabs, line breaks, or all whitespace from text.
Palindrome Checker
Check whether a word, phrase, or sentence reads the same backward.
Anagram Checker
Compare two words or phrases to see if they are anagrams.
Readability Estimator
Estimate reading ease, grade level, reading time, and text statistics.
Keyword Density Checker
Calculate keyword frequency and density for SEO writing.
Emoji Copier
Search, browse, and copy common emojis with one click.
Sentence Counter
Count sentences in pasted text and estimate average words per sentence.
Paragraph Counter
Count paragraphs, non-empty paragraphs, words, and characters in text.
Average Word Length Calculator
Calculate average word length from any block of text.
Reading Time Calculator
Estimate reading time from word count and reading speed.
Alphabetizer Ignoring Articles
Sort titles while ignoring leading articles such as A, An, and The.
Random Letter Generator
Generate random letters with uppercase, lowercase, and unique options.
Random Word Generator
Generate random common words for games, prompts, and practice.
Text Columnizer
Split lines of text into balanced columns for layouts and lists.
Case Alternator
Convert text into alternating uppercase and lowercase characters.
Keyword Frequency Analyzer
Find the most frequent words in text while ignoring common stop words.
Career & Business
Resume Bullet Rewriter
Turn rough resume notes into stronger action-oriented achievement bullets.
Cover Letter Template Generator
Create a polished starter cover letter you can customize for job applications.
Invoice Generator
Create a simple printable invoice with line items, tax, and totals.
Receipt Generator
Create a clean payment receipt for simple transactions and records.
Meeting Cost Calculator
Estimate the labor cost of meetings from attendees, duration, pay rate, and frequency.
Business Name Generator
Brainstorm professional company name ideas from a keyword and style.
Domain Name Idea Generator
Generate brandable domain ideas from your product or business keywords.
Username Generator
Create username ideas for social profiles, gaming, communities, and projects.
Images & Media
YouTube Thumbnail Downloader
Extract and download high-resolution thumbnails from any YouTube video.
16:9 Image Resizer
Create a 16:9 image with a blurred background from any uploaded image.
Image Compressor
Compress JPEG images with adjustable quality and file-size results.
Image to WebP Converter
Convert JPG, PNG, and GIF images to lightweight WebP format.
PNG to JPG Converter
Convert PNG images to JPG with a custom background and quality setting.
JPG to PNG Converter
Convert JPEG images to PNG format.
Image Crop Tool
Crop images by entering x, y, width, and height values.
Image Rotate / Flip Tool
Rotate or flip uploaded images and download the result.
Image Metadata Remover
Remove metadata from JPEG images by re-encoding a clean copy.
Social Media Image Size Checker
Check image dimensions against common social media image sizes.
EXIF Viewer
Inspect photo metadata including dimensions, camera details, exposure, date, and GPS presence.
Profile Picture Cropper
Create a circular profile picture preview from an uploaded image.
Aspect Ratio Calculator
Calculate width or height from image, video, and screen ratios.
YouTube Channel ID Finder
Extract a YouTube channel ID from channel URLs and identify handles or custom channel paths.
YouTube Playlist ID Extractor
Extract YouTube playlist IDs from playlist, watch, and share URLs.
YouTube Shorts URL Converter
Convert YouTube Shorts URLs into standard watch URLs.
Instagram Grid Planner
Preview how image URLs will appear in a three-column Instagram profile grid.
Image DPI Calculator
Calculate print size from pixel dimensions and DPI.
Print Size Calculator
Calculate pixel dimensions or physical print size at common DPI settings.
Image File Size Estimator
Estimate image file size from dimensions, format, and quality level.
Aspect Ratio Crop Calculator
Calculate the crop dimensions needed to fit an image into a target aspect ratio.
SVG Dimension Inspector
Extract width, height, and viewBox values from SVG markup.
PDF Tools
Merge PDF
Combine multiple PDFs into one downloadable document.
Split PDF
Extract selected pages from a PDF into a new file.
Compress PDF
Reduce PDF file size with adjustable DPI and quality settings.
PDF to JPG
Convert a single PDF page into a JPG image.
JPG to PDF
Convert one or more JPG images into a PDF document.
Web, SEO & Marketing
Meta Tag Generator
Generate SEO, Open Graph, Twitter, canonical, and robots tags.
Robots.txt Generator
Create a robots.txt file with sitemap and crawler rules.
Open Graph Tag Checker
Extract Open Graph and Twitter card meta tags from HTML.
Open Graph Image Preview Generator
Preview social sharing title, description, URL, and image.
UTM Builder
Generate campaign URLs with UTM tracking parameters.
Canonical URL Normalizer
Normalize URLs for canonical tags and consistent linking.
URL Parser
Break a URL into scheme, host, path, query parameters, and fragment.
Query String Builder
Build encoded URL query strings from key and value pairs.
YouTube Timestamp Link Generator
Create YouTube links that start at a specific timestamp.
YouTube Embed Code Generator
Generate responsive YouTube iframe embed code.
TikTok Video Planner
Estimate footage, editing time, and production workload for short-form video plans.
Instagram Aspect Ratio Calculator
Check Instagram post, story, reel, and profile image dimensions before cropping.
Bio Length Checker
Count profile bio characters against Instagram, TikTok, X, LinkedIn, and YouTube limits.
Favicon HTML Generator
Generate favicon, apple touch icon, manifest, and theme tags.
Email Link Generator
Build mailto links with subject, body, cc, and bcc fields.
Telephone Link Generator
Format phone numbers into tel links for websites.
.htaccess Redirect Generator
Generate Apache redirect rules for common URL moves.
Twitter/X Card Preview Generator
Preview a Twitter/X social card from a title, description, URL, and image.
Developer & Data
JSON Formatter
Validate, format, and inspect JSON data.
CSV to JSON Converter
Convert CSV rows into formatted JSON objects.
JSON to CSV Converter
Convert JSON arrays into spreadsheet-friendly CSV.
XML Formatter
Format and validate XML into readable indented markup.
SQL Formatter
Format SQL queries by placing common keywords on new lines.
Regex Tester
Test PHP-compatible regular expressions against sample text.
Base64 Encoder / Decoder
Encode and decode base64 strings.
URL Encoder / Decoder
Encode and decode URLs, query strings, spaces, and symbols.
HTML Entity Encoder / Decoder
Convert reserved HTML characters to entities and back.
JWT Decoder
Decode JSON Web Token headers and payloads for debugging.
UUID Generator
Generate random UUIDs.
Number Base Converter
Convert whole numbers between binary, decimal, hexadecimal, and bases 2 through 36.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
Unix Timestamp Converter
Translate a Unix timestamp into a date/time string.
Cron Expression Helper
Explain cron schedules and each field in a five-part expression.
HTTP Status Code Lookup
Look up common HTTP status codes and their meanings.
MIME Type Lookup
Look up common MIME types by file extension or content type.
IP Subnet Calculator
Calculate IPv4 subnet ranges, masks, network, broadcast, and hosts.
File Size Converter
Convert file sizes between bytes, KB, MB, GB, TB, and binary units.
Data Transfer Time Calculator
Estimate upload or download time from file size and speed.
Bandwidth Converter
Convert bandwidth between bits, bytes, and common network units.
JSON Path Extractor
Extract values from JSON using simple dot paths and array indexes.
JSON Escape / Unescape
Escape text for JSON strings or unescape JSON string content.
CSV Column Extractor
Extract one column from CSV by name or zero-based index.
CSV Sorter
Sort CSV rows by a selected column while preserving headers.
CSS & Frontend
Markdown Previewer
See how markdown-formatted text will render.
HTML Minifier
Compress HTML by removing comments and extra whitespace.
CSS Minifier
Compress CSS by removing comments, spaces, and line breaks.
JavaScript Minifier
Compress JavaScript by removing comments and extra whitespace.
PX to REM Converter
Convert pixels to rem units and rem units to pixels.
CSS Unit Converter
Convert CSS values between px, rem, em, percent, vw, and vh.
Color Converter
Convert hex colors to RGB and HSL values.
Color Palette Generator
Generate random color palettes to spark creativity.
CSS Gradient Generator
Generate linear CSS gradients from two colors and an angle.
CSS Box Shadow Generator
Create box-shadow CSS with offsets, blur, spread, and color.
CSS Border Radius Generator
Generate border-radius CSS for all corners or individual corners.
CSS Filter Generator
Generate CSS filters for blur, brightness, contrast, and more.
CSS Transform Generator
Generate rotate, scale, translate, and skew transform CSS.
SVG Placeholder Generator
Generate lightweight SVG placeholder images.
Responsive Image Sizes Helper
Generate srcset and sizes snippets for responsive images.
HTML Table Generator
Convert CSV or pasted table data into an HTML table.
Markdown Table Generator
Convert CSV or pasted table data into a Markdown table.
Finance & Money
Mortgage Calculator
Estimate monthly payments, total interest, taxes, and insurance.
Loan Calculator
Estimate monthly loan payments, interest, and total repayment.
Compound Interest Calculator
Estimate savings growth with interest and contributions.
Savings Goal Calculator
Calculate the monthly savings needed to reach a goal.
Discount Calculator
Calculate sale price, savings, and final cost.
Fuel Cost Calculator
Estimate trip fuel cost from distance, MPG, and fuel price.
Paycheck Calculator
Estimate gross pay, deductions, and take-home pay.
Rent Split Calculator
Split rent by equal share, room size, or income.
Hourly Rate Calculator
Calculate a freelance hourly rate from income goals, expenses, taxes, and billable hours.
Break-Even Calculator
Find how many units you need to sell to cover fixed and variable costs.
Unit Price Calculator
Compare products by calculating price per unit.
Markup Calculator
Calculate selling price and markup from cost and markup percentage.
Profit Margin Calculator
Calculate profit margin, profit, cost, or selling price.
Commission Calculator
Calculate commission earnings from sales and commission rate.
Sales Commission Split Calculator
Split sales commission across reps by percentage share.
Price Increase Calculator
Calculate new price, increase amount, and percent change.
Inflation Calculator
Estimate inflation-adjusted value from starting amount and annual inflation rate.
Cost Per Lead Calculator
Calculate advertising cost per lead from spend and lead count.
Cost Per Acquisition Calculator
Calculate customer acquisition cost from spend and conversions.
Return on Investment Calculator
Calculate ROI percentage, gain, and ending value from cost and return.
Depreciation Calculator
Estimate straight-line depreciation and book value over time.
Countdown to Retirement Calculator
Estimate time remaining until a target retirement date or age.
Health, Fitness & Life
BMI Calculator
Calculate body mass index from height and weight.
Calorie Calculator
Estimate daily calories using body details and activity level.
Macro Calculator
Calculate protein, carb, and fat targets from calories and goal.
Water Intake Calculator
Estimate daily water needs from body weight and exercise time.
Running Pace Calculator
Calculate pace, speed, and finish time from distance.
Pregnancy Due Date Calculator
Estimate a due date from last menstrual period or conception date.
Baby Name Generator
Generate baby name ideas by style and starting letter.
Age Calculator
Calculate age in years, months, and days from a birth date.
Pet Age Calculator
Convert dog and cat ages into approximate human years.
Recipe Converter
Scale ingredient amounts up or down with a custom multiplier.
Cooking Measurement Converter
Convert common kitchen volume and weight measurements.
Zodiac Sign Calculator
Find the Western zodiac sign for a birthday.
Life Expectancy Calculator
Estimate life expectancy from age, sex, lifestyle, and general health factors.
School & Time
GPA Calculator
Calculate GPA from grades and credit hours.
Grade Calculator
Calculate current grade and required final exam score.
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified results.
Fraction Simplifier
Reduce fractions to lowest terms and see the greatest common divisor used.
Scientific Notation Converter
Convert decimals to scientific notation and scientific notation back to decimal form.
Date Calculator
Add or subtract days, weeks, months, and years from a date.
Countdown Calculator
Calculate days until a holiday, birthday, deadline, or event.
Time Zone Converter
Convert meeting times between common time zones and locations.
Business Days Calculator
Count working days between dates or add business days to calculate a deadline.
Citation Generator
Generate simple APA, MLA, and Chicago citations from source details.
Study Time Calculator
Plan daily and weekly study time from an exam date and material workload.
Scientific Calculator
Calculate expressions with trigonometry, roots, logarithms, powers, and constants.
Time Duration Calculator
Calculate elapsed time between two dates and times.
Time Card Calculator
Calculate work hours and gross pay from clock-in, clock-out, break time, and rate.
Roman Numeral Converter
Convert between Roman numerals and standard Arabic numbers.
Moon Phase Finder
Estimate the moon phase for a selected date.
Days Between Birthdays Calculator
Calculate the number of days between two birthdays in the same year.
Hours Until Weekend Calculator
Calculate hours until the next weekend starts.
Work Hours Calculator
Calculate total work hours from start time, end time, and breaks.
Shift Schedule Calculator
Project repeating work and off-day shift schedules from a start date.
Home & Construction
Paint Calculator
Estimate paint gallons from room dimensions, wall height, coverage, and coats.
Mulch Calculator
Calculate mulch needs in cubic feet, cubic yards, and bags from bed dimensions.
Concrete Calculator
Estimate concrete volume in cubic feet, cubic yards, and 80 lb bags.
Tile Calculator
Estimate tile quantities from room size, tile dimensions, and waste allowance.
Wallpaper Calculator
Estimate wallpaper rolls from wall dimensions, roll coverage, and pattern waste.
Deck Board Calculator
Estimate deck boards needed from deck size, board width, gap, and waste.
Gravel Calculator
Estimate gravel volume and tons from area and depth.
Topsoil Calculator
Estimate topsoil volume in cubic yards from area and depth.
Fence Material Calculator
Estimate fence posts, rails, and pickets from fence length and spacing.
Paver Calculator
Estimate pavers needed from patio size, paver size, and waste allowance.
Drywall Calculator
Estimate drywall sheets from wall area, sheet size, and waste allowance.
Roofing Shingle Calculator
Estimate roofing squares and shingle bundles from roof area.
Lumber Board Foot Calculator
Calculate board feet from lumber dimensions and quantity.
Pool Volume Calculator
Estimate pool volume in gallons from shape, dimensions, and average depth.
BTU Calculator
Estimate heating or cooling BTUs from room size and adjustment factors.