196 tools available
Format, validate and minify JSON with syntax highlighting.
Convert JSON arrays to CSV spreadsheet format instantly.
Convert CSV files or text to JSON format with one click.
Convert JSON to YAML format for config files and DevOps.
Convert YAML configuration files to JSON format.
Format, validate and beautify XML documents online.
Beautify and format HTML code with proper indentation.
Format and minify CSS code for readability or production.
Minify JavaScript code to reduce file size for production.
Beautify and format JavaScript code with proper indentation.
Format and beautify SQL queries for better readability.
Live Markdown editor with instant HTML preview.
Test and debug regular expressions with live match highlighting.
Encode or decode Base64 strings and files instantly.
Encode or decode URLs and query string parameters.
Encode and decode HTML entities for safe web display.
Decode and inspect JWT tokens without a secret.
Generate one or many UUID v4 strings instantly.
Parse and explain cron expressions in human-readable form.
Compare two texts side-by-side and highlight differences.
Sort lines alphabetically, numerically, or randomly.
Convert numbers between binary, octal, decimal and hex.
Convert Unix timestamps to human-readable dates and back.
Validate IPv4 and IPv6 addresses and get subnet info.
Validate email address format and check domain MX records.
Convert any text to a URL-friendly slug instantly.
Escape and unescape strings for JSON, JavaScript, HTML.
Convert HTML content to clean Markdown syntax.
Convert Markdown text to clean HTML output.
Convert Word documents to PDF files quickly and securely.
Convert PDF files into editable Word documents online.
Generate placeholder lorem ipsum text by words or paragraphs.
Count words, characters, sentences and estimate reading time.
Convert text to UPPER, lower, Title, camelCase and more.
Reverse text, words or individual lines instantly.
Check if a word or phrase is a palindrome.
Check Flesch-Kincaid readability score of your text.
Repeat any text or character a specified number of times.
Find and replace text with plain string or regex support.
Remove duplicate lines from any text list instantly.
Remove line breaks and join text into a single paragraph.
Add line numbers to any text or code snippet.
Compare two texts and highlight every difference.
Count sentences, clauses and average sentence length.
Estimate how long it takes to read any piece of text.
Test your typing speed in WPM with live accuracy tracking.
Convert text to ASCII art with multiple font styles.
Look up Unicode characters, code points and categories.
Browse, search and copy any emoji with one click.
Flip your text upside down using Unicode characters.
Generate tiny superscript and subscript Unicode text.
Generate bold and italic Unicode text for any platform.
Remove extra spaces, tabs and blank lines from text.
Capitalize headlines using AP, APA, Chicago or MLA style.
Generate random sentences for writing prompts and testing.
Convert text to speech using browser Web Speech API.
Convert spoken words to text using browser microphone.
Resize images to any dimension in your browser.
Compress images to reduce file size without losing quality.
Crop images to custom dimensions or aspect ratios.
Convert images to Base64 encoded strings for CSS/HTML.
Convert Base64 strings back to viewable images.
Convert images between JPEG, PNG, WebP, BMP formats.
Pick and extract colors from any uploaded image.
View EXIF metadata from photos including GPS and camera data.
Generate favicon.ico and PNG icons from any image.
Flip horizontally/vertically or rotate images 90/180/270°.
Convert color images to grayscale or black and white.
Create pixel art with a grid-based drawing editor.
Optimize and minify SVG files to reduce file size.
Generate placeholder images of any size and color.
Generate QR codes for URLs, text or any data. Download PNG.
Generate barcodes in Code128, EAN, UPC and other formats.
Add text or image watermarks to photos in your browser.
Extract individual frames from animated GIF files.
Convert one or multiple images to a PDF document.
Extract a full color palette from any screenshot or image.
Generate HTML meta tags for SEO and social sharing.
Generate Open Graph meta tags for Facebook and LinkedIn.
Generate Twitter card meta tags for rich post previews.
Generate a robots.txt file for your website.
Generate an XML sitemap for any website URL list.
Analyze keyword frequency and density in any text.
Preview how your page looks in Google search results.
Build UTM tracking URLs for Google Analytics campaigns.
Generate JSON-LD schema markup for rich snippets.
Generate hreflang tags for multilingual SEO.
Check and score your page title tag for SEO.
Analyze your meta description for SEO best practices.
Validate canonical URL tags to prevent duplicate content.
Preview how your link looks when shared on social media.
Check your page against Core Web Vitals best practices.
Calculate percentages, percent change and percent of values.
Full scientific calculator with trig, log and advanced functions.
Calculate exact age in years, months and days from birthdate.
Calculate your Body Mass Index with weight and height.
Calculate monthly mortgage payments with amortization.
Calculate compound interest and future investment value.
Calculate tips and split bills between multiple people.
Calculate final price after applying any percentage discount.
Calculate GST/VAT inclusive and exclusive prices.
Convert between Roman numerals and decimal numbers.
Generate Fibonacci sequence to any number of terms.
Check if a number is prime and find prime factors.
Calculate LCM and GCD of two or more numbers.
Calculate mean, median, mode, variance and standard deviation.
Simplify fractions to their lowest terms instantly.
Perform arithmetic on binary, octal and hex numbers.
Calculate and convert image or video aspect ratios.
Calculate area, circumference and diameter of circles.
Calculate triangle area, angles and side lengths.
Calculate daily calorie needs based on your activity level.
Generate strong, random passwords with custom rules.
Check your password strength with entropy and pattern analysis.
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.
Generate and verify bcrypt password hashes.
Generate HMAC signatures with SHA-256 and other algorithms.
Generate a Content-Security-Policy header for your site.
Look up geolocation information for any IP address.
Validate international phone numbers and detect country.
Validate credit card numbers using the Luhn algorithm.
Generate QR codes for 2FA TOTP authenticator apps.
Check SSL certificate expiry and details for any domain.
Generate CORS response headers for your web server.
Write and encrypt notes locally in your browser.
Generate PGP key pairs for email encryption in the browser.
Generate 2FA setup guides and test TOTP codes.
Pick colors visually and get HEX, RGB, HSL values.
Generate harmonious color palettes from a seed color.
Generate linear, radial and conic CSS gradients visually.
Check WCAG color contrast ratio for accessibility.
Simulate how colors appear with different types of color blindness.
Find the nearest Tailwind CSS color to any hex value.
Extract dominant colors and palette from any image.
Generate box-shadow and text-shadow CSS with live preview.
Generate complex CSS border-radius values visually.
Generate CSS keyframe animations with a visual editor.
Learn and experiment with CSS Flexbox properties visually.
Experiment with CSS Grid layouts interactively.
Generate a harmonious CSS typography scale.
Generate tints (lighter) and shades (darker) of any color.
Find the closest named color to any HEX or RGB value.
Convert between meters, feet, inches, miles, km and more.
Convert between kg, lbs, grams, ounces, pounds and more.
Convert between Celsius, Fahrenheit and Kelvin.
Convert between sq meters, sq feet, acres, hectares and more.
Convert between liters, gallons, cups, fl oz and more.
Convert between km/h, mph, m/s, knots and more.
Convert between joules, calories, kWh and other energy units.
Convert between pascals, bar, PSI, atm and more.
Convert between seconds, minutes, hours, days and more.
Convert between degrees, radians, gradians and more.
Convert between bytes, KB, MB, GB, TB and more.
Convert currencies with indicative exchange rate reference.
Convert cups, tablespoons, teaspoons and cooking units.
Convert between mpg, L/100km and km/L fuel efficiency.
Convert clothing sizes between US, UK, EU and Asian standards.
Convert times between any world timezones instantly.
Calculate the number of days, months and years between dates.
Add or subtract days, months and years from any date.
Get current Unix timestamp and convert to/from dates.
Set a countdown timer to any date or duration.
Online stopwatch with lap times and split recording.
See current time in multiple cities around the world.
Generate printable monthly calendars for any month and year.
Find the ISO week number of any date.
Count days remaining until any event or holiday.
Calculate working days between dates excluding weekends.
Check if any year is a leap year and see the next ones.
Convert dates to and from ISO 8601 format.
Stay focused with a classic 25/5-minute Pomodoro timer.
Create and print a daily or weekly schedule template.
Generate random numbers within any custom range.
Roll any number of dice with D4, D6, D8, D10, D12, D20.
Flip a virtual coin and track heads/tails statistics.
Generate random first and last names with nationality options.
Generate random hex colors or full palettes instantly.
Generate random English words by category or count.
Generate multiple secure random passwords instantly.
Pick random lottery numbers for any lottery game.
Split a list of names into random equal-sized teams.
Get inspired with a random motivational or famous quote.
Ask the Magic 8 Ball your yes/no questions.
Get a completely random emoji with its name and code.
Draw random playing cards from a virtual deck.
Randomly shuffle any list of items.
Generate random valid IPv4 or IPv6 addresses.
Count total lines, blank lines and non-blank lines in text.
Convert between tabs and spaces indentation in code.
Test JSONPath expressions against JSON data.
Format and validate GraphQL query and schema documents.
Generate .htpasswd entries for Apache HTTP authentication.
Generate random strings with custom length and character sets.
Generate secure API keys in various formats.
Generate Nginx server block configurations visually.
Lint and validate Dockerfile syntax and best practices.