Free Online Tools
Fast, private tools that run in your browser. Always free. No account needed.
PDF Tools 16
PDF to PNG
Export crisp PNG images from PDF pages, right in your browser.
PDF to Word
Convert PDF files into editable Word (.docx) documents in your browser.
Merge PDF
Combine multiple PDFs into a single file with drag-and-drop order.
JPG to PDF Converter
Convert JPG images to a single PDF — combine and reorder, free in your browser.
PNG to PDF Converter
Convert PNG images to a single PDF — combine and reorder, free in your browser.
PDF to Text Converter
Extract plain text from a PDF — copy or download as .txt, free in your browser.
Text to PDF Converter
Convert plain text into a clean, multi-page PDF — free, in your browser.
Compress PDF
Reduce PDF file size so it's easy to email and share.
Split PDF
Split a PDF into separate pages or custom page ranges.
Rotate PDF
Rotate all pages of a PDF by 90, 180, or 270 degrees.
PDF to JPG Converter
Convert each PDF page into a high-quality JPG image.
PDF Page Extractor
Extract specific pages from a PDF into a new document.
Add Watermark to PDF
Stamp a text watermark diagonally across every PDF page.
PDF Metadata Remover
Strip hidden metadata (author, title, keywords) from a PDF.
Unlock PDF
Remove the password from a PDF you own and download an open copy.
Protect PDF
Add a password to a PDF to keep it private.
Image Tools 39
PNG to JPG Converter
Convert PNG images to JPG online — free, fast, and in your browser.
JPG to PNG Converter
Convert JPG images to PNG online — free, fast, and in your browser.
PNG to WebP Converter
Convert PNG images to WebP online — free, fast, and in your browser.
WebP to PNG Converter
Convert WebP images to PNG online — free, fast, and in your browser.
JPG to WebP Converter
Convert JPG images to WebP online — free, fast, and in your browser.
WebP to JPG Converter
Convert WebP images to JPG online — free, fast, and in your browser.
PNG to SVG Converter
Convert PNG images to SVG online — free, fast, and in your browser.
SVG to PNG Converter
Convert SVG images to PNG online — free, fast, and in your browser.
JPG to SVG Converter
Convert JPG images to SVG online — free, fast, and in your browser.
SVG to JPG Converter
Convert SVG images to JPG online — free, fast, and in your browser.
JPEG to PNG Converter
Convert JPEG images to PNG online — free, fast, and in your browser.
PNG to JPEG Converter
Convert PNG images to JPEG online — free, fast, and in your browser.
JPEG to WebP Converter
Convert JPEG images to WebP online — free, fast, and in your browser.
WebP to JPEG Converter
Convert WebP images to JPEG online — free, fast, and in your browser.
BMP to PNG Converter
Convert BMP images to PNG online — free, fast, and in your browser.
PNG to BMP Converter
Convert PNG images to BMP online — free, fast, and in your browser.
GIF to PNG Converter
Convert GIF images to PNG online — free, fast, and in your browser.
PNG to GIF Converter
Convert PNG images to GIF online — free, fast, and in your browser.
TIFF to PNG Converter
Convert TIFF images to PNG online — free, fast, and in your browser.
PNG to TIFF Converter
Convert PNG images to TIFF online — free, fast, and in your browser.
ICO to PNG Converter
Convert ICO images to PNG online — free, fast, and in your browser.
PNG to ICO Converter
Convert PNG images to ICO online — free, fast, and in your browser.
HEIC to JPG Converter
Convert HEIC images to JPG online — free, fast, and in your browser.
HEIC to PNG Converter
Convert HEIC images to PNG online — free, fast, and in your browser.
AVIF to PNG Converter
Convert AVIF images to PNG online — free, fast, and in your browser.
PNG to AVIF Converter
Convert PNG images to AVIF online — free, fast, and in your browser.
Image to Base64 Converter
Convert an image into a Base64 data URI string you can paste into code.
Base64 to Image Converter
Decode a Base64 string back into a downloadable image file.
Image Compressor
Reduce image file size while keeping good quality.
Image Resizer
Resize images to exact pixel dimensions, keeping aspect ratio.
Image Cropper
Crop an image by dragging to select the area you want to keep.
Image Rotator
Rotate and flip images by 90, 180, or 270 degrees.
Background Remover
Automatically remove the background from a photo.
Image Watermark Tool
Add a text watermark to an image to protect or brand it.
Image Color Picker
Pick colors from an image and copy the HEX and RGB values.
Image Metadata Remover
Remove hidden EXIF metadata (camera, GPS, date) from a photo.
Blur Image
Apply an adjustable blur to an entire image.
Grayscale Image
Convert a color image to black and white (grayscale).
Image Upscaler
Enlarge images by 2×, 3×, or 4× with high-quality smoothing.
Text Tools 13
Word Counter
Count words, characters, sentences, paragraphs, and reading time instantly.
Character Counter
Count characters with and without spaces, plus words and lines.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Text Repeater
Repeat any text multiple times with your choice of separator.
Remove Duplicate Lines
Delete duplicate lines from a list and keep only unique ones.
Text Sorter
Sort lines alphabetically, by length, or numerically — ascending or descending.
Text Cleaner
Trim lines, collapse extra spaces, and remove empty lines in one click.
Find and Replace Text
Find and replace text, with optional case sensitivity and regex support.
Reverse Text
Reverse text by characters, words, or lines.
Slug Generator
Turn titles into clean, URL-friendly slugs.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum paragraphs for mockups and designs.
Random Text Generator
Generate random words or random character strings.
Text Compare
Compare two texts line by line and see what changed.
Document Tools 16
Word to HTML Converter
Convert a Word (.docx) document into clean HTML.
HTML to Word Converter
Convert HTML into a Word document you can open in Microsoft Word.
Word to JPG Converter
Convert a Word (.docx) document into a JPG image.
Word to PNG Converter
Convert a Word (.docx) document into a PNG image.
Excel to CSV Converter
Convert an Excel spreadsheet (.xlsx) to CSV.
CSV to Excel Converter
Convert CSV data into an Excel (.xlsx) spreadsheet.
Excel to JSON Converter
Convert an Excel spreadsheet (.xlsx) to JSON.
JSON to Excel Converter
Convert a JSON array into an Excel (.xlsx) spreadsheet.
CSV to JSON Converter
Convert CSV data into a JSON array of objects.
JSON to CSV Converter
Convert a JSON array of objects into CSV.
XML to JSON Converter
Convert XML into structured JSON.
JSON to XML Converter
Convert JSON into formatted XML.
Markdown to HTML Converter
Convert Markdown into clean HTML.
HTML to Markdown Converter
Convert HTML into clean Markdown.
TXT to PDF Converter
Convert plain text (TXT) into a clean PDF.
PDF to TXT Converter
Extract plain text (TXT) from a PDF.
Developer Tools 24
JSON Formatter
Format and pretty-print messy JSON with proper indentation and structure.
JSON Validator
Check whether your JSON is valid and pinpoint syntax errors instantly.
JSON Minifier
Minify JSON by removing all unnecessary whitespace to shrink file size.
JSON Beautifier
Beautify JSON into clean, indented, easy-to-read structure.
XML Formatter
Format and indent XML into a clean, readable, properly nested layout.
XML Validator
Check whether your XML is well-formed and pinpoint parsing errors.
HTML Formatter
Format and indent HTML into clean, readable, well-structured markup.
HTML Minifier
Minify HTML by removing comments and collapsing whitespace.
CSS Minifier
Minify CSS by removing whitespace and comments to shrink stylesheets.
CSS Beautifier
Beautify and indent minified or messy CSS into readable rules.
JavaScript Minifier
Minify JavaScript with Terser to shrink and optimize your code.
JavaScript Beautifier
Beautify and indent minified or messy JavaScript into readable code.
SQL Formatter
Format and indent SQL queries for readability across many dialects.
Base64 Encoder
Encode text or data to Base64, with an optional URL-safe variant.
Base64 Decoder
Decode Base64 (standard or URL-safe) back to readable text.
URL Encoder
Percent-encode text for safe use in URLs and query strings.
URL Decoder
Decode percent-encoded URLs and query strings back to readable text.
JWT Decoder
Decode a JWT to read its header and payload claims (no verification).
Regex Tester
Test regular expressions against your text and see every match and group.
MD5 Generator
Generate an MD5 hash (checksum) of any text instantly.
SHA1 Generator
Generate a SHA-1 hash of any text using the Web Crypto API.
SHA256 Generator
Generate a secure SHA-256 hash of any text using the Web Crypto API.
SHA512 Generator
Generate a secure SHA-512 hash of any text using the Web Crypto API.
UUID Generator
Generate random version-4 UUIDs (GUIDs) — one or many at a time.
Finance Calculators 30
Loan Calculator
Work out the monthly payment, total interest, and total cost of any fixed-rate loan.
EMI Calculator
Calculate your Equated Monthly Instalment (EMI) for any loan, plus total interest payable.
Mortgage Calculator
Estimate your monthly mortgage payment from home price, down payment, rate, and term.
Home Loan Calculator
Calculate your home loan EMI, total interest, and total cost from value, down payment, and rate.
Personal Loan Calculator
Estimate the monthly payment and total interest on a personal loan.
Car Loan Calculator
Calculate your monthly car payment and total interest on an auto loan.
Student Loan Calculator
Estimate monthly student loan repayments and the total interest you'll pay.
Compound Interest Calculator
See how savings or investments grow with compound interest and regular contributions.
Simple Interest Calculator
Calculate simple interest and the maturity value on a principal over time.
Investment Calculator
Project the future value of an investment with an initial amount and monthly contributions.
SIP Calculator
Estimate the maturity value and gains of a monthly mutual-fund SIP.
Mutual Fund Calculator
Estimate the future value and gains of a lumpsum mutual-fund investment.
FD Calculator
Calculate the maturity amount and interest earned on a fixed deposit.
RD Calculator
Calculate the maturity value and interest on a monthly recurring deposit.
Savings Calculator
Project your savings balance from a starting amount, monthly deposits, and interest.
Retirement Calculator
Project your retirement corpus from current savings, monthly contributions, and returns.
Pension Calculator
Estimate the monthly income a retirement corpus can provide over a chosen period.
ROI Calculator
Calculate return on investment, net profit, and annualized ROI.
Profit Calculator
Calculate net profit, profit margin, and markup from cost and revenue.
Profit Margin Calculator
Calculate gross profit margin and markup from cost and selling price.
Markup Calculator
Calculate the selling price and profit from a cost and a markup percentage.
Discount Calculator
Calculate the sale price and amount saved from an original price and discount.
Sales Tax Calculator
Add sales tax to a price and see the tax amount and total.
VAT Calculator
Add VAT to a net price or remove VAT from a gross price.
GST Calculator
Add or remove GST and see the CGST and SGST split.
Income Tax Calculator
Estimate income tax, after-tax income, and your effective tax rate.
Break Even Calculator
Find the units and revenue needed to cover fixed and variable costs.
Inflation Calculator
See how inflation changes the future cost and buying power of money.
Currency Converter
Convert an amount between major world currencies with indicative rates.
Exchange Rate Calculator
Find the exchange rate between two currencies and convert any amount.
Health & Fitness Calculators 20
BMI Calculator
Calculate your Body Mass Index from height and weight, with your category and healthy range.
BMR Calculator
Calculate your Basal Metabolic Rate — the calories you burn at rest.
Body Fat Calculator
Estimate your body fat percentage from simple tape measurements.
Lean Body Mass Calculator
Estimate your lean body mass and fat mass from height and weight.
Ideal Weight Calculator
Estimate your ideal body weight from height using proven formulas.
Healthy Weight Calculator
Find the healthy weight range for your height based on BMI.
Daily Calorie Calculator
Find your daily calorie needs to maintain, lose, or gain weight.
Calories Burned Calculator
Estimate calories burned during exercise from activity, weight, and time.
Water Intake Calculator
Find how much water to drink daily based on your weight and activity.
Protein Intake Calculator
Find your daily protein target based on weight and goals.
Macro Calculator
Split a calorie target into daily carbs, protein, and fat in grams.
TDEE Calculator
Calculate your Total Daily Energy Expenditure from BMR and activity.
Pregnancy Calculator
Track your current pregnancy week, trimester, and due date from your last period.
Due Date Calculator
Estimate your pregnancy due date from the first day of your last period.
Ovulation Calculator
Estimate your ovulation day and fertile window from your last period.
Pregnancy Weight Gain Calculator
Find your recommended pregnancy weight gain range from pre-pregnancy BMI.
BAC Calculator
Estimate your blood alcohol concentration from drinks, weight, and time.
Heart Rate Calculator
Find your maximum heart rate and training zones from your age.
Body Surface Area Calculator
Calculate body surface area (BSA) from height and weight.
Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio and see the associated health risk band.
Education Calculators 10
Percentage Calculator
Work out X% of a number, what percent one number is of another, or percentage change.
GPA Calculator
Calculate your GPA on a 4.0 scale from your course grades and credit hours.
CGPA Calculator
Calculate your cumulative GPA across semesters from each term's GPA and credits.
Grade Calculator
Turn points earned out of a total into a percentage and letter grade.
Average Calculator
Calculate the average (mean) of any list of numbers, with sum and count.
Marks Percentage Calculator
Convert marks obtained out of total marks into a percentage and grade.
Final Grade Calculator
Find the score you need on a final exam to reach your target overall grade.
Weighted Grade Calculator
Calculate a weighted average grade from scores and their weights.
Attendance Calculator
Calculate your attendance percentage and how many classes you can miss.
Study Hours Calculator
Work out how many hours a day to study to cover your material before an exam.
Date & Time Calculators 10
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
Age Difference Calculator
Find the age difference between two people in years, months, and days.
Date Difference Calculator
Find the time between two dates in days, weeks, months, and business days.
Time Duration Calculator
Calculate the duration between a start and end time, including overnight.
Business Days Calculator
Count the working days (Mon–Fri) between two dates, excluding holidays.
Days Between Dates Calculator
Count the exact number of days between two dates.
Week Number Calculator
Find the ISO week number and day of the year for any date.
Countdown Calculator
Count down the days until any future date or event.
Birthday Countdown Calculator
Count down the days until your next birthday and see the age you'll turn.
Leap Year Calculator
Check whether a year is a leap year and find the next one.
Math & Statistics Calculators 19
Scientific Calculator
Evaluate expressions with trig, logs, roots, powers, and constants.
Fraction Calculator
Add, subtract, multiply, or divide two fractions and get the simplified result.
Percentage Increase Calculator
Find the percentage increase between an original value and a new value.
Percentage Decrease Calculator
Find the percentage decrease between an original value and a new value.
Ratio Calculator
Simplify a ratio and see it as a decimal and as parts of a whole.
Ratio Simplifier
Reduce any ratio to its simplest form.
Mean Calculator
Calculate the arithmetic mean of a set of numbers, with sum and count.
Median Calculator
Find the median (middle value) of a set of numbers.
Mode Calculator
Find the mode — the most frequent value(s) — in a set of numbers.
Standard Deviation Calculator
Calculate sample or population standard deviation, variance, and mean.
Probability Calculator
Calculate the probability of an event from favorable and total outcomes.
Permutation Calculator
Calculate the number of permutations (nPr) where order matters.
Combination Calculator
Calculate the number of combinations (nCr) where order doesn't matter.
Exponent Calculator
Raise any base to any power, including negative and fractional exponents.
Log Calculator
Calculate the logarithm of a number in any base, plus ln, log₁₀, and log₂.
Square Root Calculator
Find the square root of any number, plus its cube root and square.
Cube Root Calculator
Find the cube root of any number, including negatives.
Matrix Calculator
Enter a matrix to get its dimensions, determinant, and transpose.
Equation Solver
Solve linear and quadratic equations and get real or complex roots.
Construction Calculators 10
Concrete Calculator
Estimate the concrete volume and number of bags for a slab, footing, or pad.
Asphalt Calculator
Estimate the tonnes of hot-mix asphalt needed for a driveway or lot.
Gravel Calculator
Estimate the tonnes and volume of gravel needed for a driveway or path.
Sand Calculator
Estimate the tonnes and volume of sand needed to fill an area.
Tile Calculator
Work out how many tiles you need for a floor or wall, including waste.
Paint Calculator
Estimate how much paint you need for a given wall area and number of coats.
Wallpaper Calculator
Estimate how many rolls of wallpaper you need for your walls.
Roofing Calculator
Estimate roofing squares and shingle bundles from your roof area.
Flooring Calculator
Work out how many boxes of flooring you need for a room, with waste.
Brick Calculator
Estimate the number of bricks needed for a wall, including waste.
Lifestyle Calculators 10
Love Calculator
A fun love-compatibility score based on two names.
Tip Calculator
Calculate the tip and total, and split it between any number of people.
Split Bill Calculator
Split a bill evenly between people, with an optional tip.
Fuel Cost Calculator
Estimate the fuel cost of a journey from distance, economy, and price.
Mileage Calculator
Calculate your vehicle's fuel economy from distance and fuel used.
Trip Cost Calculator
Estimate a road trip's fuel cost, with round-trip and per-person splitting.
Pace Calculator
Calculate your pace per mile or kilometre and your speed from distance and time.
Running Pace Calculator
Find your running pace and speed from a distance and finish time.
Walking Calories Calculator
Estimate calories burned walking from your weight, time, and pace.
Sleep Calculator
Find the best bedtime or wake time based on 90-minute sleep cycles.
Generators & Random Tools 9
Password Generator
Generate strong, random passwords with custom length and character types.
Random Password Generator
Generate several strong random passwords at once.
Password Strength Checker
Test how strong a password is, with entropy and crack-time estimates.
QR Code Generator
Create a QR code from any text or URL and download it as a PNG.
Barcode Generator
Generate barcodes in CODE128, EAN, UPC, and other formats and download as SVG.
Random Number Generator
Generate random numbers in a range, with optional no-repeat picks.
Binary Calculator
Add, subtract, multiply, divide, and bitwise two binary numbers.
Hex Calculator
Add, subtract, multiply, divide, and bitwise two hexadecimal numbers.
Base64 Calculator
Encode text to Base64 or decode Base64 back to text, in your browser.
Unit Converters 10
Length Converter
Convert length between metres, feet, kilometres, miles, inches, and more.
Weight Converter
Convert weight between kilograms, pounds, grams, ounces, stones, and tonnes.
Temperature Converter
Convert temperature between Celsius, Fahrenheit, and Kelvin.
Area Converter
Convert area between square metres, square feet, acres, hectares, and more.
Volume Converter
Convert volume between litres, gallons, millilitres, cups, and more.
Speed Converter
Convert speed between km/h, mph, m/s, knots, and feet per second.
Time Converter
Convert time between seconds, minutes, hours, days, weeks, and years.
Energy Converter
Convert energy between joules, calories, kilowatt-hours, BTU, and more.
Pressure Converter
Convert pressure between pascals, bar, psi, atmospheres, and mmHg.
Power Converter
Convert power between watts, kilowatts, horsepower, and BTU per hour.