All tools

Image Converter

Convert images between supported formats.

Image Compressor

Reduce image file size with adjustable quality.

Base64 Encoder

Encode text as Base64.

Base64 Decoder

Decode Base64 text into readable text.

Morse Encoder

Convert text into Morse code.

Morse Decoder

Convert Morse code into readable text.

Audio

Morse Audio Generator

Generate audio from Morse code.

QR Code Generator

Create downloadable QR codes from text or links.

QR Code Scanner

Scan and decode QR codes from images.

Security

Hash Generator

Generate hashes using supported algorithms.

What's My IP

View your public IP address and available network details.

IP Lookup

Look up public IPv4 or IPv6 address information.

Health

BMI Calculator

Calculate body mass index from height and weight.

Health

BMR Calculator

Estimate basal metabolic rate from basic measurements.

WHOIS Lookup

Look up registration details for a domain.

Barcode Generator

Generate barcodes in supported formats.

Health

Water Intake Calculator

Estimate a daily water intake target.

Phone Number Lookup

Validate a phone number and view available details.

PDF

PDF to Images

Convert PDF pages into image files.

HTML Formatter

Format and beautify HTML in your browser.

PDF

PDF Password Lock

Add password protection to a PDF file.

User Agent

Inspect the user agent string sent by your browser.

Security

Password Strength Checker

Estimate password strength in your browser.

Security

Password Generator

Generate a random password with your chosen options.

JSON Formatter

Format and validate JSON.

Word Counter

Count words, characters, sentences, and estimated reading time.

URL Encoder and Decoder

Encode URL values or decode percent-encoded text.

JSON to CSV Converter

Convert arrays of JSON objects into CSV.

Text Case Converter

Change letter case or create a URL-friendly slug.

Calculator

Percentage Calculator

Calculate a percentage of any number.

Unix Timestamp Converter

Convert Unix timestamps and ISO dates.

JSON to TypeScript Interface Generator

Generate TypeScript interfaces from a JSON object or object array.

JSON to Python Dataclass Generator

Generate Python dataclasses from a JSON object or object array.

JSON to Go Struct Generator

Generate Go structs with JSON tags from sample JSON.

JSON to Java Class Generator

Generate Java model classes from sample JSON.

JSON to C# Class Generator

Generate C# model classes from sample JSON.

JSON to Kotlin Data Class Generator

Generate Kotlin data classes from sample JSON.

JSON to Dart Model Generator

Generate Dart model classes from sample JSON.

JSON to Zod Schema Generator

Generate a Zod schema from a JSON example.

CSV to JSON Converter

Parse quoted CSV fields and convert rows into JSON objects.

CSV Viewer and Formatter

Inspect CSV as a readable aligned table and normalize its formatting.

TSV to JSON Converter

Convert tab-separated data into JSON objects.

XML to JSON Converter

Parse XML in your browser and convert its elements into JSON.

JSON to XML Converter

Convert a JSON object into escaped XML elements.

SQL INSERT Generator

Generate escaped SQL INSERT statements from JSON rows or CSV.

JSON Tree Viewer

Explore JSON as a readable, indented tree with property paths.

Markdown Table Generator

Create a Markdown table from CSV or tab-separated data.

Regular Expression Tester

Test JavaScript regular expressions locally with a timeout.

Code Line Counter

Count code, blank, and comment-looking lines in pasted source.

Source Code Size Analyzer

Measure characters, UTF-8 bytes, and whitespace in source text.

Indentation Converter

Convert leading spaces and tabs while preserving source text.

Code Snippet Formatter

Trim outer blank lines and trailing whitespace without rewriting syntax.

Scientific Calculator

Evaluate common scientific expressions safely in your browser.

Fraction Calculator

Add, subtract, multiply, or divide two fractions.

Mixed Number Calculator

Calculate with two mixed numbers.

Ratio Calculator

Simplify a two-part ratio.

Proportion Calculator

Solve the proportion a ÷ b = c ÷ x.

Percentage Change Calculator

Calculate percentage change from an initial value to a final value.

Average Calculator

Find the arithmetic mean of a list of numbers.

Weighted Average Calculator

Calculate a weighted average from matching value and weight lists.

Median and Mode Calculator

Find the median and all modes in a number list.

Standard Deviation Calculator

Calculate population or sample standard deviation.

Probability Calculator

Calculate the probability of favorable outcomes.

Permutation and Combination Calculator

Calculate nPr or nCr for non-negative integers.

Factorial Calculator

Calculate n factorial using exact integer arithmetic.

Prime Number Checker

Check whether an integer is prime.

Prime Number Generator

List prime numbers up to a chosen limit.

Greatest Common Divisor Calculator

Find the GCD of two integers.

Least Common Multiple Calculator

Find the least common multiple of two integers.

Decimal to Fraction Converter

Convert a decimal to a reduced fraction.

Fraction to Decimal Converter

Convert a fraction to a decimal value.

Fraction Simplifier

Reduce a fraction to lowest terms.

Scientific Notation Converter

Convert a number to normalized scientific notation.

Significant Figures Calculator

Round a value to a chosen number of significant figures.

Binary Arithmetic Calculator

Perform exact arithmetic on binary integers.

Matrix Calculator

Add, subtract, or multiply two numeric matrices.

Quadratic Equation Solver

Solve a quadratic equation ax² + bx + c = 0.

Linear Equation Solver

Solve ax + b = c for x.

Polynomial Calculator

Add, subtract, or multiply two polynomials.

Exponent Calculator

Calculate a number raised to a power.

Logarithm Calculator

Calculate the logarithm of a positive value for a chosen base.

Trigonometry Calculator

Calculate common trigonometric functions.

Triangle Solver

Solve a triangle from its three side lengths (SSS).

Pythagorean Theorem Calculator

Find the hypotenuse from two perpendicular sides.

Circle Calculator

Calculate a circle’s area and circumference from its radius.

Area and Volume Calculator

Calculate area or volume for common geometric shapes.

Speed, Distance, and Time Calculator

Solve for speed, distance, or time using two known values.

Physics Unit Converter

Convert common physics units in your browser.

Ohm’s Law Calculator

Solve voltage, current, or resistance from the other two values.

Electrical Power Calculator

Calculate electrical power from voltage and current.

Density Calculator

Calculate density from mass and volume.

Molar Mass Calculator

Calculate molar mass from a chemical formula.

Scientific Unit Converter

Convert common SI and scientific units.

Number Base Converter

Convert integers between binary, octal, decimal, and hexadecimal.

Roman Numeral Converter

Convert integers 1–3999 to Roman numerals or validate Roman numeral input.

Number-to-Words Converter

Write a whole number in English words.

Random Number Generator

Generate a random integer or decimal within a range.

GST Calculator (India)

Estimate GST and the total for an amount before GST.

GST Inclusive / Exclusive Calculator

Add GST to an exclusive price or extract GST from an inclusive price.

Discount Calculator

Calculate the discount and final price.

Markup and Margin Calculator

Calculate selling price, markup, and gross margin from cost and selling price.

Profit and Loss Calculator

Compare cost and selling price to estimate profit or loss.

Break-Even Calculator

Estimate the units and sales revenue needed to break even.

Revenue Calculator

Calculate revenue from price and quantity sold.

Commission Calculator

Calculate commission from a sale amount and rate.

Sales Tax Calculator

Estimate tax and total from a price and tax rate.

EMI Calculator

Estimate a fixed monthly loan installment.

Loan Interest Calculator

Estimate interest and total repayment for a fixed-rate installment loan.

Simple Interest Calculator

Calculate simple interest over time.

Compound Interest Calculator

Estimate balance with periodic compounding.

SIP Projection Calculator

Project a recurring monthly investment using an assumed return.

Savings Goal Calculator

Estimate the monthly deposit needed to reach a savings target.

Inflation Calculator

Estimate a future price using an assumed inflation rate.

Percentage Salary Increase Calculator

Calculate the increase and new salary from a percentage raise.

Hourly Wage Calculator

Estimate hourly pay from annual salary and working schedule.

Freelance Rate Calculator

Estimate a freelance hourly rate from income goal, expenses, and billable hours.

Invoice Total Calculator

Estimate an invoice total after discount and tax.

Invoice Tax Calculator

Calculate tax and the total due from an invoice subtotal.

Business Expense Splitter

Split a shared business expense equally between people.

Price Comparison Calculator

Compare cost per unit for two package sizes.

Electricity Bill Estimator

Estimate an electricity bill from usage and a unit rate.

Fuel Cost Calculator

Estimate fuel use and cost for a trip.

Travel Budget Calculator

Add accommodation, daily spending, transport, and other trip costs.

Tip Calculator

Calculate a tip and split the total between people.

Shared Bill Calculator

Estimate each person’s share after tax and tip.

Subscription Cost Calculator

Estimate cumulative subscription spending over time.

Date-Based Payment Schedule Calculator

Create equal dated payment entries from a start date and interval.

Loan Repayment Schedule Generator

Generate an estimated fixed-rate monthly amortization schedule.

Depreciation Calculator

Estimate asset depreciation using straight-line or declining-balance methods.

Return on Investment Calculator

Estimate ROI from cost and proceeds.

CAGR Calculator

Calculate compound annual growth rate between two values.

Percentage Profit Calculator

Calculate profit and percentage return on cost.

Gross Margin Calculator

Calculate gross profit and gross margin.

Net Margin Calculator

Calculate net profit margin from revenue and net income.

Inventory Turnover Calculator

Calculate inventory turnover and days on hand.