Word counter
Count words, characters, sentences, and paragraphs. Estimate reading time.
TextAll tools148
148 toolsCase converter
Change text to uppercase, lowercase, title case, or sentence case.
TextRemove duplicate lines
Keep the first copy of each line and remove repeated entries.
TextSort lines
Sort a list alphabetically, numerically, or in reverse order.
TextClean whitespace
Trim lines, collapse repeated spaces, and remove empty lines.
TextRemove line breaks
Join wrapped text into a single paragraph.
TextFind and replace
Replace every occurrence of a literal phrase. Matching is case-sensitive.
TextURL slug generator
Turn a title into a readable, lowercase URL slug.
TextReverse text
Reverse characters or reverse the order of words and lines.
TextNumber lines
Add a sequential number to each line.
TextExtract email addresses
Find common email address patterns and remove duplicates.
TextExtract URLs
Extract HTTP and HTTPS links from a block of text.
TextWord frequency
Count each word and sort by frequency. Matching ignores case.
TextRemove accents
Replace decomposable accented characters with their base letters.
TextCompare text
Compare two texts line by line. Added and removed lines are listed.
TextReading time
Estimate reading and speaking time at your preferred speed.
TextShuffle lines
Put a list in a randomly shuffled order.
TextText to binary
Encode text as UTF-8 binary bytes.
TextBinary to text
Decode space-separated 8-bit UTF-8 binary bytes.
TextJSON formatter
Validate and pretty-print JSON, or compress it onto one line.
DeveloperJSON to CSV
Convert an array of flat JSON objects to a downloadable CSV.
DeveloperCSV to JSON
Convert CSV with a header row to an array of JSON objects.
DeveloperCSV to TSV
Convert comma-separated data to tab-separated data.
DeveloperJSON to YAML
Convert valid JSON into readable YAML.
DeveloperYAML to JSON
Convert YAML into formatted JSON.
DeveloperURL encoder / decoder
Encode or decode a URL component, including Unicode characters.
DeveloperBase64 encoder / decoder
Encode text as UTF-8 Base64 or decode it back to text.
DeveloperHTML entity encoder / decoder
Escape HTML characters or decode named and numeric entities.
DeveloperJWT decoder
Read a token header and payload locally. This does not verify its signature.
DeveloperURL parser
Inspect a URL’s protocol, host, path, query parameters, and fragment.
DeveloperText hash generator
Calculate a SHA-256, SHA-384, or SHA-512 digest of text.
DeveloperNumber base converter
Convert integers between binary, octal, decimal, and hexadecimal.
DeveloperUnicode inspector
See the Unicode code point and UTF-8 bytes for each character.
DeveloperQuery string to JSON
Parse a query string and preserve repeated parameter values.
DeveloperImage compressor
Reduce image file size by adjusting JPEG or WebP quality.
ImagesImage resizer
Resize an image to a target width. Height follows the original proportions.
ImagesImage format converter
Convert an image to PNG, JPEG, or WebP.
ImagesImage cropper
Make a centered crop using a chosen aspect ratio.
ImagesRotate and flip image
Rotate a photo or flip it horizontally or vertically.
ImagesGrayscale image
Convert a color photo to black and white.
ImagesBlur image
Apply a blur to the entire image.
ImagesAdd image watermark
Place a text watermark in the bottom-right corner.
ImagesBackground remover
Remove a solid-color background and download a transparent PNG.
ImagesRemove image metadata
Re-encode an image as PNG without its original EXIF or GPS metadata.
ImagesImage color palette
Extract the most common approximate colors from an image.
ImagesImage to Base64
Convert an image into a data URL for use in HTML and CSS.
ImagesPortrait background remover
Automatically remove the background from a photo of a person, on your device.
ImagesMerge PDFs
Combine PDF files in the order shown. Move files up or down before merging.
PDFsSplit PDF
Save each PDF page as a separate file in a ZIP archive.
PDFsExtract PDF pages
Create a PDF from selected pages, in your chosen order.
PDFsRemove PDF pages
Delete selected pages and save the remaining document.
PDFsRotate PDF
Rotate all pages clockwise by 90, 180, or 270 degrees.
PDFsReverse PDF pages
Reverse the page order of a PDF.
PDFsClear PDF metadata
Remove standard title, author, subject, keyword, creator, and producer fields.
PDFsImages to PDF
Combine JPEG and PNG images into a PDF, one image per page.
PDFsLength converter
Convert length between common metric and imperial units.
ConvertersWeight converter
Convert weight between common metric and imperial units.
ConvertersVolume converter
Convert volume between common metric and imperial units.
ConvertersArea converter
Convert area between common metric and imperial units.
ConvertersSpeed converter
Convert speed between common metric and imperial units.
ConvertersTime converter
Convert time between common metric and imperial units.
ConvertersData converter
Convert data between common metric and imperial units.
ConvertersPressure converter
Convert pressure between common metric and imperial units.
ConvertersEnergy converter
Convert energy between common metric and imperial units.
ConvertersAngle converter
Convert angle between common metric and imperial units.
ConvertersPower converter
Convert power between common metric and imperial units.
ConvertersTemperature converter
Convert Celsius, Fahrenheit, and Kelvin.
ConvertersFuel economy converter
Convert US miles per gallon to liters per 100 kilometers and back.
ConvertersPercentage calculator
Find a percentage of a number.
CalculatorsPercentage change
Calculate the relative increase or decrease from one value to another.
CalculatorsTip calculator
Calculate a tip and split the bill equally.
CalculatorsDiscount calculator
Calculate a discounted price and optional sales tax.
CalculatorsSales tax calculator
Add sales tax to a price or remove tax from a tax-inclusive total.
CalculatorsFederal income tax estimator
Estimate 2026 US federal ordinary income tax using the standard deduction.
CalculatorsCompound interest
Project savings with monthly compounding and end-of-month contributions.
CalculatorsLoan payment calculator
Estimate a fixed-rate monthly payment and total interest.
CalculatorsMortgage calculator
Estimate principal and interest plus monthly property tax and insurance.
CalculatorsSalary to hourly
Convert annual salary into hourly, weekly, and monthly pay before deductions.
CalculatorsUnit price calculator
Compare two packages using the same quantity unit.
CalculatorsProfit margin
Calculate gross profit, margin, and markup from cost and selling price.
CalculatorsBreak-even calculator
Find units needed to cover fixed and variable costs.
CalculatorsTrip fuel cost
Estimate fuel needed and cost from distance and fuel economy.
CalculatorsElectricity cost
Estimate energy usage and cost for an appliance.
CalculatorsAverage and statistics
Calculate mean, median, range, and population standard deviation.
CalculatorsFraction calculator
Add, subtract, multiply, or divide two fractions.
CalculatorsAspect ratio calculator
Reduce a width and height to a ratio, and scale to a new width.
CalculatorsRight triangle calculator
Find the hypotenuse, area, and perimeter from two perpendicular sides.
CalculatorsCircle calculator
Find circumference and area from a radius.
CalculatorsPaint calculator
Estimate paint volume from area, coats, and product coverage.
CalculatorsRecipe scaler
Scale ingredient quantities to a different number of servings.
CookingCups to grams
Convert US cups to approximate grams for common ingredients.
CookingCoffee ratio
Calculate water and coffee for a chosen brew ratio.
CookingDough hydration
Calculate hydration and salt percentages from total flour and water.
CookingOven temperature
Convert conventional oven temperatures to an approximate convection setting.
CookingDate difference
Count calendar days and weeks between two dates.
Date & timeAdd days to a date
Move forward or backward by a number of calendar days.
Date & timeAge calculator
Calculate completed years and total days between a birth date and another date.
Date & timeUnix timestamp converter
Convert Unix seconds or milliseconds to UTC and local time.
Date & timeTime duration
Add hours and minutes entered on separate lines.
Date & timePassword generator
Create a password using your browser’s cryptographic random generator.
GeneratorsUUID generator
Generate cryptographically random version 4 UUIDs.
GeneratorsRandom number generator
Generate random whole numbers within an inclusive range.
GeneratorsRandom name picker
Choose one entry at random from a list.
GeneratorsRandom team generator
Shuffle a list into balanced groups.
GeneratorsQR code generator
Create a downloadable QR code from text or a link.
GeneratorsPlaceholder text
Generate plain placeholder paragraphs for layout testing.
GeneratorsZIP creator
Package files in a ZIP archive directly in your browser.
GeneratorsFile checksum
Calculate a SHA-256 checksum for a file without uploading it.
DeveloperHEX to RGB
Convert a three- or six-digit hexadecimal color to RGB and HSL.
ConvertersRGB to HEX
Convert red, green, and blue channel values to a hexadecimal color.
ConvertersColor contrast checker
Check two opaque sRGB colors against WCAG AA and AAA text contrast thresholds.
DeveloperCSS gradient generator
Generate a two-color linear gradient for a CSS background.
DeveloperCSS border radius
Set each corner independently and copy the resulting CSS.
DeveloperJSON string escape / unescape
Escape text as a JSON string or decode a quoted JSON string.
DeveloperText to hexadecimal
Encode text as space-separated hexadecimal UTF-8 bytes.
DeveloperHexadecimal to text
Decode hexadecimal UTF-8 bytes into text. Spaces between bytes are optional.
DeveloperFilter text lines
Keep or remove lines containing a literal word or phrase.
TextAdd prefix and suffix
Add the same text before and after each line of a list.
TextWrap text
Wrap paragraphs to a maximum line width, splitting long words when necessary.
TextCompare two lists
Find shared entries and entries unique to each list. Duplicate entries are ignored.
TextRandom color generator
Generate random RGB colors as hexadecimal codes.
GeneratorsCoin flipper
Flip one or more virtual coins with cryptographically random outcomes.
GeneratorsDice roller
Roll custom dice and add a modifier to their total.
GeneratorsBusiness day counter
Count Monday–Friday dates in a range, with optional holiday exclusions.
Date & timeDay of the week
Find the weekday, day of the year, and leap-year status for a date.
Date & timeISO week number
Find the ISO week number and week-year. Weeks begin on Monday.
Date & timeDate to Unix timestamp
Convert a UTC date and time to Unix seconds and milliseconds.
Date & timeSavings goal calculator
Calculate the monthly deposit needed to reach a future balance.
CalculatorsLoan amortization schedule
Download a monthly breakdown of principal, interest, and remaining balance.
CalculatorsSimple interest calculator
Calculate interest without compounding over a number of years.
CalculatorsWeighted average
Calculate an average from value-and-weight pairs.
CalculatorsGCD and LCM
Find the greatest common divisor and least common multiple of whole numbers.
CalculatorsQuadratic equation solver
Solve ax² + bx + c = 0, including real and complex roots.
CalculatorsPrime factorization
Break a positive whole number into prime factors.
CalculatorsScientific notation
Express a number in scientific notation with a chosen number of significant digits.
CalculatorsBaking pan converter
Scale a recipe between round and rectangular pans using their base areas.
CookingSalt concentration calculator
Calculate salt mass for a target percentage of the total salt-and-water solution.
CookingRecipe cost per serving
Add ingredient costs and divide the total by the number of servings.
CookingOhm’s law calculator
Calculate voltage, current, resistance, and power from two known values.
CalculatorsDownload time calculator
Estimate transfer time from file size and connection speed.
ConvertersPercent error
Compare an experimental value with an accepted reference value.
CalculatorsRectangle calculator
Calculate a rectangle’s area, perimeter, and diagonal.
CalculatorsCylinder calculator
Calculate a closed cylinder’s volume and surface area.
CalculatorsSphere calculator
Calculate a sphere’s volume and surface area.
CalculatorsFactorial calculator
Calculate n! exactly as a whole number.
CalculatorsPermutations and combinations
Count ordered and unordered selections without replacement.
CalculatorsRunning pace calculator
Calculate average pace and speed from distance and elapsed time.
CalculatorsSort JSON keys
Sort object keys recursively while preserving array order.
Developer