Compress, resize, convert images, edit PDF online free, merge PDF, convert PDF to Word, format JSON, and more — all directly in your browser. No upload to servers, your files stay on your device.
Free PDF editor online, PDF converter, and utilities. Merge PDF files, compress PDF free, convert to PDF, PDF to Word, JPG to PDF, and edit PDFs without uploads.
Combine multiple PDF files into one document instantly. Drag, drop, and reorder pages before merging — no upload required, processed securely in your browser.
Extract specific pages or page ranges from a PDF to create a new, smaller document. Choose exact pages with our visual page picker.
Rotate individual pages or entire PDF documents 90°, 180°, or 270°. Fix scanned documents and portrait/landscape orientation issues instantly.
Delete unwanted pages from a PDF document with a single click. Preview all pages visually and select which ones to remove before saving.
Drag and drop PDF pages into any order you need. Rearrange, reorganize, and reorder pages in a PDF document without any desktop software.
Add text, draw freehand annotations, insert shapes, and highlight content directly on PDF pages. A fully browser-based PDF editor with no watermarks.
Change PDF page dimensions to standard paper sizes (A4, Letter, Legal) or set custom width and height. Scales content to fit without distortion.
Crop PDF pages by trimming margins from any side — top, bottom, left, or right. Useful for removing scanned whitespace or unwanted borders.
Convert JPG, JPEG, or PNG images to a single PDF in seconds. Arrange multiple images, set margins, and choose page orientation before converting.
Convert every PDF page to high-quality PNG, JPEG, or WebP images. Choose your resolution and download individual pages or all at once as a ZIP.
Reduce PDF file size by up to 80% without losing noticeable quality. Compress PDFs for email, web upload, or storage — no server uploads needed.
Convert Microsoft Word documents (.docx) to PDF format instantly. Preserve fonts, layouts, tables, and formatting with perfect fidelity.
Convert PDF files into fully editable Microsoft Word documents (.docx) directly in your browser. Extracts text, formatting, and table structure.
Extract tables and structured data from PDF documents into Excel spreadsheets (.xlsx). Useful for financial reports, invoices, and data sheets.
Convert HEIC and HEIF photos taken on iPhone or iPad to universally compatible PDF documents. No software installation required.
Add custom text watermarks to every page of a PDF document. Control the position, opacity, font size, rotation angle, and color of the watermark.
Automatically stamp sequential page numbers onto every page of a PDF. Choose from corner or center positions, and customize the font size and style.
Free image editor, resize image, image converter, compress image, crop image, and remove background from image free directly in your browser. No uploads, no quality loss.
Flip horizontal/vertical
Rotate by angle
Change dimensions
Crop an image
Merge two images
Resize multiple images at once
Split image into grid pieces
Upscale and enlarge images with smooth interpolation
Add rounded corners to images with adjustable radius
Invert image colors
Sharpen details
Apply blur
Convert to grayscale
Pixelate effect
Tint with a color
Spotify-style duotone
Generate QR codes
Generate favicons from images
Create animated GIFs
Combine multiple images into a collage
Place screenshots inside mockups
Add top/bottom text to images
Reduce image file size
Convert between PNG, JPEG, and WebP
Convert images to Base64 strings
Decode Base64 strings to images
Convert SVG vector files to PNG
Extract text from images
Convert Apple HEIC/HEIF photos to JPG format
Convert Apple HEIC/HEIF photos to PNG format
Add text or image watermarks
View and remove EXIF metadata
Extract color palette from image
Find any color hex with our rgb color picker. Generate a color palette, use the color wheel for color match, and learn color theory basics.
Get the inverse or negative of any color instantly. Enter HEX, RGB, or HSL values and see the mathematically opposite color with its code in all formats.
Generate a truly random color with a single click. Displays the color in HEX, RGB, and HSL formats with a large preview swatch. Copy any format instantly.
Build beautiful CSS color gradients with a live preview. Choose linear or radial direction, add multiple color stops, and copy the ready-to-use CSS code instantly.
Convert hex code to color preview with RGB, HSL & name
3 equidistant colors
Opposite color on wheel
Adjacent to complement
Adjacent colors on wheel
Pick color from image
Extract dominant palette
The best free online calculator tools. From a percentage calculator and grade calculator to a loan calculator, mortgage calculator, tax calculator, and age calculator.
Perform basic arithmetic operations — addition, subtraction, multiplication, and division — with adjustable decimal precision. Fast, simple, and accurate.
Solve 5 types of percentage problems: what is X% of Y, X is what % of Y, percentage change, percentage increase, and percentage of total.
Add, subtract, multiply, and divide fractions and mixed numbers. Shows the step-by-step solution and simplifies the result to its lowest terms automatically.
Calculate the mean (arithmetic average) of any list of numbers. Enter values separated by commas or on separate lines for instant results.
Calculate logarithms in any base — including log base 10, natural log (ln), and log base 2. Enter the value and base for an instant result.
Calculate any number raised to any power (exponent). Handles positive, negative, decimal, and fractional exponents with full precision for math and science.
Calculate the factorial (n!) of any non-negative integer. Supports large numbers up to several hundred digits for combinatorics and probability problems.
Perform arithmetic with arbitrarily large integers that exceed JavaScript number limits. Perfect for cryptography, competitive programming, and science calculations.
Calculate your exact age in years, months, and days with birthday countdown.
Calculate your BMR and daily calorie needs using the Mifflin-St Jeor equation.
Calculate discount amount, final price, and savings instantly.
Calculate profit margin, markup percentage, and selling price from cost.
Add sales tax to a price or extract tax from a tax-inclusive price.
Calculate your Total Daily Energy Expenditure and macronutrient targets.
Convert between units of length, weight, temperature, volume, and more
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles and more
Convert between milligrams, grams, kilograms, pounds, ounces, stones and metric/imperial tons
Convert between Celsius, Fahrenheit, Kelvin and Rankine temperature scales
Convert between milliliters, liters, gallons, cups, pints, quarts and cubic units
Convert between square meters, square feet, acres, hectares and more area units
Convert between mph, km/h, m/s, knots, and Mach speed units
Convert between bits, bytes, kilobytes, megabytes, gigabytes, terabytes and petabytes
Convert between PSI, bar, pascal, atmosphere, mmHg and other pressure units
Convert between joules, calories, kilocalories, kWh, BTU and other energy units
Convert between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, months and years
Convert between MPG (US/UK), L/100km, and km/L fuel efficiency units
Convert between Hertz, kilohertz, megahertz, gigahertz and RPM
Convert between degrees, radians, gradians, turns, arcminutes and arcseconds
Convert between Newtons, pound-force, kilogram-force, dyne and other force units
Convert between watts, kilowatts, megawatts, horsepower and BTU per hour
Convert between cups, tablespoons, teaspoons, fluid ounces, milliliters and liters for recipes
Convert between radians and degrees instantly. Enter any angle value and get the equivalent measurement in both units with the conversion formula shown.
Calculate the area of common 2D shapes including circles, rectangles, triangles, trapezoids, and parallelograms. Enter the required dimensions for an instant result.
Calculate the volume of 3D geometric solids including cubes, spheres, cylinders, cones, and rectangular prisms. Shows the formula used for each shape.
Calculate the perimeter or circumference of geometric shapes: circles, squares, rectangles, triangles, and more. Instant result with the formula displayed.
Calculate all six trigonometric functions (sin, cos, tan, csc, sec, cot) and their inverses. Works in both degrees and radians with instant results.
Calculate the hypotenuse or any side of a right triangle using the Pythagorean theorem (a² + b² = c²). Enter any two sides to find the missing one.
Find the exact midpoint between two coordinate points in 2D space. Enter (x1, y1) and (x2, y2) to get the midpoint and see it plotted on a graph.
Calculate the straight-line Euclidean distance between two coordinate points using the distance formula. Works in both 2D and 3D coordinate systems.
Calculate the slope (gradient) of a line between two points. Shows the rise/run ratio, slope angle in degrees, and the linear equation of the line.
Solve proportional (rule of three) calculations instantly. Enter three known values to find the missing fourth value in a direct or inverse proportion problem.
Calculate population and sample standard deviation, variance, and mean for any data set. Enter numbers separated by commas for an instant statistical summary.
Find the Greatest Common Divisor (GCD) of two or more integers using the Euclidean algorithm. Useful for simplifying fractions and solving number theory problems.
Calculate the Least Common Multiple (LCM) of two or more integers. Essential for adding fractions with different denominators and scheduling problems.
Generate the Fibonacci sequence up to any number of terms. Displays each term, the running sum, and the golden ratio approximation as the sequence grows.
Check if two ratios form a valid proportion (a/b = c/d). Enter four values and instantly verify proportionality with cross-multiplication proof shown.
Check whether any integer is a prime number. For composite numbers, shows the complete prime factorization. Handles numbers up to billions instantly.
Convert between decimal integers and Roman numerals bidirectionally. Supports numbers from 1 to 3,999 and validates Roman numeral input for correct notation.
Create number sequences
Convert between bases
Binary ↔ Decimal
Hexadecimal ↔ Decimal
Octal ↔ Decimal
Text ↔ ASCII codes
Convert any number into its English word representation.
A complete free text editor suite. Compare text online, use a lorem ipsum generator, or organize your life with a to do list, check list, or tier list maker.
Add a prefix or suffix to each line of text
Search and replace text
Convert text case
Generate placeholder text
Convert Markdown to HTML
Convert HTML to Markdown
Compare two texts side by side
Text ↔ Morse code
Check for palindromes
Pull emails and links from text
Remove all HTML tags and extract plain text
Generate random words, sentences, or paragraphs
Convert Word documents to clean HTML code
Extract plain text from Word documents
Reverse your text by letters, words, or lines instantly.
Shuffle list randomly
Sort alphabetically
Join all lines
Add line breaks after a specific character, word, or length
Remove duplicate lines
Count words in text
Character frequency
Count sentences in text
Find the most frequent words in text
Essential developer tools for any web developer. Access a fast developer console to format code, convert data, and utilize software developer options right in your browser.
Highlight code syntax
Inline CSS into HTML
Beautify, minify, and validate JSON
Format and minify CSS code
Format HTML code
Format JavaScript
Format and minify SQL queries
Minify HTML code
Convert JSON arrays to CSV
Convert CSV data to JSON
Convert JSON data to well-formatted XML with proper indentation.
Convert XML data to JSON format with attribute and nesting support.
Compare two texts
Generate MD5, SHA-1, SHA-256 hashes
Generate HTML meta tags for SEO
Generate placeholder images
Generate UUID v4 identifiers
Decode JSON Web Tokens
Build and decode cron expressions
Test regular expressions
Convert text to SEO-friendly URL slugs
Easily find the today date, calculate differences with a date calculator, and master your schedule with a time and date calculator.
Difference between two dates
Add days/months/years
Subtract from a date
Countdown timer
Chronometer
Timestamp to date
Date to timestamp
Convert between time zones and time formats
Calculate the number of days between two dates or days from today.
Add or subtract hours from a time, or calculate the hours between two times.
Calculate months between two dates or add/subtract months from a date.
Generate random numbers, passwords, names, teams, and more with cryptographic quality.
Generate random numbers
Flip coins
Roll dice
Generate secure passwords
Generate random strings
Generate random person names
Generate random colors
Split names into random teams
Let fate decide! Get a random yes, no, or maybe answer to your question
Randomly pick from your list of options
Generate random letters from the alphabet
Record your screen, capture audio, test your webcam, and convert video formats.
Record your screen
Record microphone audio
Test your webcam in browser
Convert video clips to GIF
BPM-based metronome for musicians
Trim video clips to a specific time range
Crop video frame dimensions to remove unwanted areas
Extract audio from MP4 video files as MP3
Extract audio from any video file as MP3
Convert Apple MOV videos to MP4 format
Convert MP3 audio files to OGG Vorbis format
Convert animated GIF files to MP4 video
Calculate your home loan, personal loan, or car loan. Check current mortgage rates, find your interest rate with a compound interest calculator, or estimate your income tax.
Calculate monthly mortgage payments
Calculate loan payments and total cost
Calculate compound interest
Estimate income tax and take-home pay
Estimate YouTube earnings
Estimate AdSense earnings
Calculate cryptocurrency profit and loss
Calculate CPM (Cost Per Mille), total ad cost, or impressions. Essential for digital advertising and media buying.
Calculate PayPal transaction fees. Find out what recipients get or what to charge to receive a specific amount.
Calculate Stripe processing fees. Know exactly what you'll receive or what to charge customers.
Split, encode, decode, and manipulate files directly in your browser.
Encode to Base64
Decode from Base64
Generate valid test credit card numbers for development and testing. All numbers pass Luhn validation.
Validate credit card numbers using the Luhn algorithm. Auto-detects card type including Visa, Mastercard, Amex, and Discover.
Convert WebVTT subtitle files to SRT format. Handles timestamps, removes style blocks, and numbers cues sequentially.
Generate privacy policies, terms & conditions, and disclaimers for your website in seconds.
Generate a professional disclaimer for your website — general, affiliate, professional advice, or views expressed.
Generate a comprehensive privacy policy for your website or app in seconds.
Generate professional terms and conditions for your website or app.
Browser info, link generators, schema builders, and SEO tag generators — all in your browser.
Detect your browser name, version, operating system, language, screen info, and more.
Generate JSON-LD FAQ structured data (schema.org) to help your FAQs appear as rich results in Google.
Generate Open Graph meta tags so your pages look great when shared on Facebook, LinkedIn, and other platforms.
Instantly detect your screen resolution, viewport size, device pixel ratio, and more. Updates live on resize.
Build UTM-tagged URLs for your marketing campaigns. Track traffic sources in Google Analytics.
Generate a direct WhatsApp chat link (wa.me) with a pre-filled message. No need to save the contact first.
Learn everything about CSS colors — from basics to advanced theory, all with interactive examples.
Introduction to CSS colors and how they work on the web
All 140+ CSS named colors with live previews
Understanding RGB, HEX, HSL, and other color value formats
Colors organized by visual groups – reds, blues, greens and more
Generate shades from light to dark for any color
Interactive color picker with all format outputs
Mix two colors together and see the blended result
Convert between HEX, RGB, HSL, HWB, and CMYK formats
Deep dive into the RGB color model with interactive sliders
Understanding hexadecimal color codes and notation
Hue, Saturation, Lightness – the most intuitive color model
Hue, Whiteness, Blackness color model explained
Cyan, Magenta, Yellow, Key – colors for print
Natural Color System notation explained
CSS gradient builder with live preview and code output
Fundamentals of color theory for designers and developers
Interactive color wheel explorer with harmony rules
CSS currentcolor keyword explained with examples
Explore all hues around the 360° color wheel
Complementary, analogous, triadic, and more scheme types
Curated color palettes for design inspiration
Official brand colors for popular companies
W3.CSS framework color classes reference
Metro UI design system color palette
Windows 8 style color palette reference
Flat UI design colors for modern interfaces
How colors affect emotions, perception, and behavior
Generate titles, outlines, ideas, and analyze readability — everything you need to write better blog posts.
Generate catchy, SEO-friendly blog post titles from a topic or keyword
Create structured outlines with headings and sub-points for blog posts
Generate blog post ideas and topics from a niche or keyword
Craft SEO-optimized meta descriptions with character count tracking
Analyze text readability with Flesch-Kincaid, Gunning Fog, and more
Score blog headlines on word balance, length, sentiment, and power words
Count words, sentences, paragraphs, and estimate reading time
Calculate estimated reading time with adjustable WPM and complexity