161 free tools available — no account required
Format, validate and beautify JSON data instantly
Generate strong, secure passwords instantly
Calculate your Body Mass Index quickly
Generate QR codes for URLs, text, and more
Count words, characters, and sentences instantly
Encode and decode Base64 strings online
Generate unique UUIDs (v4) instantly
Convert images between PNG, JPG, WEBP, SVG and more
Compress PNG, JPG and WEBP images with live before/after preview
Convert raster images to scalable SVG vectors in your browser
Resize images to any dimension while keeping quality
Crop images with preset ratios or custom margins
Flip images horizontally or vertically and rotate by 90°
Apply brightness, contrast, saturation, blur and more
Add custom text watermarks with position, opacity and color
Convert images to Base64 strings
Convert Base64 strings to images
Strip GPS, camera and personal data from JPEG images
Get the dominant color palette from any image
Generate all favicon sizes from a single image
Combine multiple PDF files into one document
Split a PDF into individual pages or custom ranges
Reduce PDF file size instantly in your browser
Rotate PDF pages 90°, 180° or 270°
Convert PDF pages to high-quality JPG images
Convert images to a PDF document instantly
Password-protect your PDF with encryption
Remove password protection from a PDF file
Extract all text content from a PDF file
Add a text watermark to all pages of a PDF
Remove specific pages from a PDF document
Add page numbers to every page of your PDF
Calculate percentages quickly and easily
Basic arithmetic calculator with a clean interface.
Advanced scientific calculator with trig, log, and more.
Calculate mean, median, mode, and more statistics.
Simplify ratios and solve for missing values.
Add, subtract, multiply, and divide fractions.
Solve proportions with cross multiplication.
Round numbers to any number of decimal places.
Calculate absolute and percentage difference.
Generate random numbers within a custom range.
Add or remove VAT from any price instantly.
Calculate discounted prices and savings.
Calculate gross margin, markup, and profit.
Calculate gross profit, net profit, and break-even.
Convert salary between hourly, monthly, and annual.
Calculate simple interest: I = P × R × T.
See how your money grows with compound interest.
Calculate monthly payments and total loan cost.
Find the monthly payment for any total amount.
Project how your savings grow over time.
Calculate exact age in years, months, and days.
Calculate the exact difference between two dates.
Add or subtract days, weeks, months from a date.
Count working days between two dates.
Convert between seconds, minutes, hours, and days.
Add or subtract multiple time durations.
Calculate your Basal Metabolic Rate and daily needs.
Calculate daily calorie needs based on your goals.
Find your ideal body weight using multiple formulas.
Convert between mm, cm, m, km, inches, feet, miles.
Convert between kg, lbs, g, oz, stone, and more.
Convert between Celsius, Fahrenheit, and Kelvin.
Convert between m², km², acres, and hectares.
Convert between liters, gallons, cups, ml, and more.
Convert between m/s, km/h, mph, knots, and Mach.
Convert between Pa, bar, psi, atm, and more.
Convert between joules, calories, kWh, BTU, and more.
Convert between bits, bytes, KB, MB, GB, TB.
Solve linear and quadratic equations step by step.
Calculate square roots, cube roots, and nth roots.
Calculate any base raised to any exponent.
Calculate log₁₀, ln, log₂, and custom logarithms.
Calculate sin, cos, tan, and inverse trig functions.
Convert any text to UPPERCASE instantly.
Convert any text to lowercase instantly.
Capitalize the first letter of every word.
Convert text to proper Title Case format.
Capitalize only the first letter of each sentence.
Strip redundant whitespace from your text.
Delete all blank lines from your text.
Eliminate repeated lines from your text.
Sort lines alphabetically or by length.
Reverse the order of characters in your text.
Reverse the order of lines in your text.
Count characters, spaces, and special characters.
Count sentences and analyze sentence statistics.
Count paragraphs and words in your text.
Generate placeholder Lorem Ipsum text.
Convert text into URL-friendly slugs.
Convert text to kebab-case format.
Convert text to camelCase format.
Convert text to snake_case format.
Convert text to PascalCase format.
Encode and decode URLs
Escape and unescape HTML entities
Remove invisible characters and normalize whitespace.
Extract all email addresses from text.
Extract all URLs and links from text.
Extract phone numbers from any text.
Find and replace text with optional regex support.
Compare and diff two texts
Strip diacritics and accents from text.
Remove all punctuation marks from text.
Add a prefix or suffix to every line.
Convert CSV to JSON format
Convert JSON to CSV format
Minify and compress JSON data
Validate JSON syntax instantly
Resize images to the perfect dimensions for any social media platform
Convert text into stylish Unicode font styles for social media
Automatically add relevant emojis to your text
Generate relevant hashtags for your social media posts
Generate captions for social media posts with the right tone
Generate professional bios for any social media platform
Generate engaging tweets and Twitter/X threads
Generate professional LinkedIn posts in multiple formats
Generate compelling YouTube video titles that drive clicks
Calculate your social media engagement rate instantly
Calculate cost per thousand impressions for your ads
Estimate your YouTube channel earnings based on views and niche
Estimate your TikTok creator earnings across multiple revenue streams
Calculate fair rates for influencer partnerships and sponsorships
Build UTM tracking URLs for your marketing campaigns
Preview how your links appear on Facebook, Twitter and LinkedIn
Generate platform-specific keywords for your social content
Generate harmonious color palettes from a single seed color
Convert JSON to XML instantly
Convert JSON ↔ YAML instantly
Format, validate and minify XML
Decode and inspect JWT tokens
Generate SHA-256, SHA-512 hashes
Check how strong your password is
Validate and inspect UUID format
Format and beautify HTML code
Format and minify CSS code
Convert colors between HEX, RGB, HSL
Create CSS gradients visually
Convert Unix timestamps to dates
Convert time between world timezones
Build and explain cron expressions
Test regular expressions with live highlighting
View your browser and device information
Reference for all HTTP status codes
Parse and analyze user agent strings
Boost focus with the Pomodoro Technique
Precise stopwatch with lap time tracking
Set a custom countdown for any duration
Deep work sessions with session history
Simple and powerful task management
Build and track daily habits with streaks
Set goals and track your progress
Eisenhower matrix for task prioritization
Write and preview Markdown in real time
Quick notes with auto-save and multiple notes
Plan and manage your personal monthly budget
Track daily expenses by category
Plan your day with time blocks
Spin the wheel to make random decisions
Estimate how long it takes to read any text