Every tool you need, in one place

Ovulation Calculator

Estimate your next ovulation date and fertile window from your cycle.

Calculators457 uses

BTU Calculator

Estimate the BTU heating/cooling capacity needed for a room.

Calculators457 uses

Roofing Calculator

Estimate roofing squares and shingle bundles needed from roof dimensions.

Calculators455 uses

Amortization Schedule Calculator

Generate a full month-by-month loan amortization schedule.

Calculators453 uses

Mean Calculator

Quickly calculate the arithmetic mean of a list of numbers.

Calculators451 uses

Random Phone Number Generator

Generate correctly-formatted fake phone numbers for testing — US, UK, India & more.

Generators450 uses

Binary Translator (Text ⇄ Binary)

Convert text to binary and binary back to text instantly.

Developer Tools444 uses

Fraction Calculator

Add, subtract, multiply or divide two fractions with simplified results.

Calculators441 uses

Savings Calculator

Project your savings growth with regular deposits and compound interest.

Calculators439 uses

Subnet Calculator

Calculate network address, broadcast address and host range from an IP and CIDR.

Calculators438 uses

Exponent Calculator

Calculate a base raised to any power, including negative and fractional exponents.

Calculators437 uses

Body Shape Calculator

Estimate your body shape category from bust, waist and hip measurements.

Calculators429 uses

Date Calculator

Add or subtract days, weeks, months or years from a date.

Calculators427 uses

Conception Calculator

Estimate the likely conception date from your due date or last period.

Calculators422 uses

Paint Calculator

Estimate how many gallons of paint you need from wall area and coats.

Calculators421 uses

Word Counter

Count words, characters, sentences and reading time as you type.

Text Tools415 uses

Dice Roller

Roll any number of virtual dice with any number of sides.

Calculators415 uses

Pregnancy Due Date Calculator

Estimate your due date and current week of pregnancy from your last period.

Calculators413 uses

Ovulation Calculator

Estimate your next ovulation date and fertile window from your cycle.

Calculators457 uses

BTU Calculator

Estimate the BTU heating/cooling capacity needed for a room.

Calculators457 uses

Roofing Calculator

Estimate roofing squares and shingle bundles needed from roof dimensions.

Calculators455 uses

Amortization Schedule Calculator

Generate a full month-by-month loan amortization schedule.

Calculators453 uses

Mean Calculator

Quickly calculate the arithmetic mean of a list of numbers.

Calculators451 uses

Fraction Calculator

Add, subtract, multiply or divide two fractions with simplified results.

Calculators441 uses

Savings Calculator

Project your savings growth with regular deposits and compound interest.

Calculators439 uses

Subnet Calculator

Calculate network address, broadcast address and host range from an IP and CIDR.

Calculators438 uses

Exponent Calculator

Calculate a base raised to any power, including negative and fractional exponents.

Calculators437 uses

Unblur Image (Sharpener)

Sharpen blurry photos with an adjustable unsharp filter.

Image Tools407 uses

Image Compressor (JPG)

Compress JPG images — shrink file size with a quality slider and live size preview.

Image Tools402 uses

WebP to JPG / PNG Converter

Convert WebP images to JPG or PNG — free, in your browser, from a file or an image URL.

Image Tools359 uses

Image Splitter

Split any image into a grid of equal tiles — perfect for Instagram grids.

Image Tools358 uses

Add Border to Image

Add a solid color border of any thickness to your image.

Image Tools355 uses

Convert Image to WebP

Convert JPG, PNG, GIF or any image to WebP — free, in your browser, from a file or an image URL.

Image Tools351 uses

PNG to JPG Converter

Convert PNG images to JPG with adjustable quality — free and in your browser.

Image Tools313 uses

Image to Square Converter

Crop or pad any image into a perfect square — free, in your browser, from a file or an image URL.

Image Tools296 uses

HEIC to JPG Converter

Convert iPhone HEIC photos to universal JPG format.

Image Tools264 uses

Random Phone Number Generator

Generate correctly-formatted fake phone numbers for testing — US, UK, India & more.

Generators450 uses

Fortune Cookie Generator

Crack open a virtual fortune cookie — wisdom, luck and lucky numbers.

Generators405 uses

Password Generator

Create strong, random passwords with one click.

Generators393 uses

Random Topic Generator

Get random topics for writing, debates, videos, or conversation starters.

Generators359 uses

Random Birthday Generator

Generate random birth dates within any age range — with zodiac sign and day of week.

Generators336 uses

Random Sentence Generator

Generate random grammatical sentences for writing prompts and testing.

Generators213 uses

Random Address Generator

Generate realistic fake street addresses — US, UK, New Zealand & more.

Generators210 uses

Random Emoji Generator

Roll random emojis — single, sets, or emoji stories. Click to copy.

Generators119 uses

WhatsApp Chat Link Generator

Create a WhatsApp click-to-chat link with a pre-filled message — with a country picker, auto-detect from pasted numbers, QR code, and an embeddable website button. Free, instant.

Generators9 uses

Binary Translator (Text ⇄ Binary)

Convert text to binary and binary back to text instantly.

Developer Tools444 uses

String Length Calculator

Count characters, bytes, and length with/without spaces — instantly.

Developer Tools409 uses

Inch to Pixel Converter

Convert inches to pixels (and back) at any DPI/PPI.

Developer Tools276 uses

XOR Calculator

Bitwise XOR two values in binary, decimal or hex — see results in all three bases.

Developer Tools246 uses

HTML Viewer & Live Preview

Paste HTML and see it rendered live in a sandboxed preview.

Developer Tools241 uses

Subscript & Superscript Generator

Turn text into unicode subscript (ₓ₂) or superscript (ˣ²) you can paste anywhere.

Developer Tools222 uses

Scatter Plot Maker

Paste x,y data and get an instant scatter plot you can download.

Developer Tools216 uses

Playback Speed Calculator

See how long a video or podcast takes at 1.25×, 1.5×, 2×… and how much time you save.

Developer Tools180 uses

HTML to JSX Converter

Convert HTML markup into React-ready JSX — class→className, style objects, self-closing tags.

Developer Tools139 uses

Excel to JSON Converter

Convert Excel (.xlsx/.xls) or CSV files into clean JSON.

PDF & Documents337 uses

TIFF to PDF Converter

Convert single or multi-page TIFF files into PDF documents.

PDF & Documents243 uses

PDF Compressor

Shrink PDF file size by recompressing pages at your chosen quality.

PDF & Documents231 uses

PDF Text Extractor

Pull all selectable text out of a PDF — copy it or download as .txt.

PDF & Documents213 uses

PDF Splitter

Extract pages or split a PDF into parts — type ranges like 1-3, 5, 8-10.

PDF & Documents207 uses

Number to Words Converter

Convert numbers to words — international & Indian (lakh/crore) systems, plus amount in words for rupees & dollars.

PDF & Documents201 uses

Image to PDF Converter (JPG/PNG)

Combine JPG and PNG images into a single PDF file.

PDF & Documents115 uses

PDF Password Remover

Unlock your own password-protected PDFs — enter the password once, download an unlocked copy.

PDF & Documents85 uses

Word Counter

Count words, characters, sentences and reading time as you type.

Text Tools415 uses

Case Converter

Convert text to UPPERCASE, lowercase, Title Case and more.

Text Tools265 uses

Text to Handwriting Converter

Turn typed text into beautiful cursive handwriting on lined paper — download as an image.

Text Tools109 uses