Useful things, minus the clutterNo sign-up · 24 free tools
MODU
TOOLS
Calculate it, convert it, make it, or play it.
One tidy shelf of tools that work right away.
For your next character01Name GeneratorGenerate modern, classic, fantasy, or gender-neutral names for any project.Make a shortlist Dates without the math02Age CalculatorCalculate your exact age, total days lived, and time until your next birthday.Calculate my age Faster than your group chat?03Reaction TestMeasure how quickly you react when the screen changes color.Test my reflexes
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Image, text, and password tools run locally.
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🧮 10 tools on this shelf
Everyday calculators
Clear answers for dates, percentages, health, and everyday conversions.Age CalculatorCalculate your exact age, total days lived, and time until your next birthday.PercentageCalculate percentages, percentage change, discounts, and proportions in seconds.BMI CalculatorCheck your body mass index using metric or US units and see the standard BMI range.Unit ConverterConvert length, weight, and temperature units with instant, accurate results.Date DifferenceFind the number of days between two dates or count down to an important date.Character CounterCount characters, words, sentences, paragraphs, and UTF-8 bytes as you type.Loan PaymentEstimate monthly payments, total interest, and total repayment for a fixed-rate loan.GPA CalculatorCalculate a credit-weighted GPA on 4.0, 4.3, or 4.5 scales and exclude pass/fail courses.Area ConverterConvert floor area between square meters, Korean pyeong, and square feet in either direction.Running PaceTurn a race distance and finish time into pace, speed, and common-distance projections.
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🛠️ 10 tools on this shelf
Private browser tools
Fast utilities for text, data, images, passwords, and quick decisions.Password GeneratorCreate strong random passwords locally with custom length and character options.Random NumberDraw one or more random numbers from any range, with or without duplicates.JSON FormatterFormat, validate, and minify JSON safely in your browser.CSV ↔ JSONConvert CSV to JSON or JSON arrays to CSV without uploading your data.Base64 ToolEncode Unicode text to Base64 or decode Base64 back to readable text.Color ConverterPick a color and instantly copy its HEX, RGB, and HSL values.QR Code GeneratorTurn a URL or any text into a downloadable high-resolution QR code.Timer & StopwatchRun a simple countdown timer or stopwatch in any browser.Image ResizerResize JPG, PNG, and WebP images to exact pixel dimensions in your browser.Image CompressorReduce image file size with adjustable quality and download the compressed result.
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🎮 4 tools on this shelf
Quick breaks worth sharing
Small games and playful generators for solo breaks or group chats.Name GeneratorGenerate modern, classic, fantasy, or gender-neutral names for any project.Name CompatibilityEnter two names for a playful, repeatable compatibility score and result card.Reaction TestMeasure how quickly you react when the screen changes color.Memory GameFlip cards, find every matching pair, and challenge your memory.
FREENo checkout waiting at the end
INSTANTNo account before the answer
PRIVATELocal processing where possible
Design direction adapted from Hip Fashion Sale · CC BY 4.0