AI Engineering FoundryLoadingโฆ
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Tools for essays and assignments: hit a word count, check how readable your writing is, cite your sources in the style your course uses, keep your reading organized, check your math, science and engineering, track your grades, plan your study time, budget your money, get your resume ready, practise coding, make diagrams for your slides, and handle the everyday stuff. Everything runs in your browser, and nothing is sent to a server.
Count, check, and clean up essays and assignments.
Count
Count words, characters, sentences, paragraphs, and lines as you type, with reading and speaking time. Check text against X, SEO title, and meta description limits.
Open in Word & Character Counter โCount
Count words, characters, sentences, paragraphs, and lines as you type, with reading and speaking time. Check text against X, SEO title, and meta description limits.
Open in Word & Character Counter โCount
Count words, characters, sentences, paragraphs, and lines as you type, with reading and speaking time. Check text against X, SEO title, and meta description limits.
Open in Word & Character Counter โCount
Count words, characters, sentences, paragraphs, and lines as you type, with reading and speaking time. Check text against X, SEO title, and meta description limits.
Open in Word & Character Counter โCount
Count words, characters, sentences, paragraphs, and lines as you type, with reading and speaking time. Check text against X, SEO title, and meta description limits.
Open in Word & Character Counter โPlan
Split an essay's word count across its introduction, body paragraphs, and conclusion by percentage, with a page estimate for each section.
Open tool โCite sources in any major style, build a reference list, and organize your reading.
APA 7
Create APA 7th edition references and in-text citations for journal articles, books, chapters, web pages, and reports. Copy them with italics intact.
Open tool โMLA 9
Create MLA 9th edition Works Cited entries and in-text citations for journal articles, books, chapters, web pages, and reports.
Open tool โChicago 18
Create Chicago Manual of Style (18th edition) citations in notes-bibliography style, with the footnote, or author-date style, with the in-text citation.
Open tool โHarvard
Create Harvard references and in-text citations in the Cite Them Right style used by most UK and Australian universities.
Open tool โIEEE
Create numbered IEEE references for journal articles, books, chapters, web pages, and reports, as used in engineering and computer science.
Open tool โBibTeX
Generate a BibTeX entry from a source's details, or paste BibTeX from Google Scholar or Zotero and get it formatted in APA, MLA, Chicago, Harvard, or IEEE.
Open tool โCalculators and solvers for arithmetic, algebra, geometry, and calculus homework.
Calc
Free online scientific calculator: sin, cos, tan and inverses in degrees or radians, logs, powers, roots, factorials, ฯ and e, with history and 34-digit precision.
Open tool โFractions
Add, subtract, multiply and divide fractions and mixed numbers exactly. Get the simplest form, mixed number, decimal (with repeating digits), and percent.
Open tool โPercent
Seven percentage calculators in one: percent of a number, what percent, percentage change, increase or decrease by a percent, percentage difference, and reverse percentages.
Open tool โRatio
Simplify ratios (including decimals), solve proportions like 3 : 4 = x : 20, and divide an amount in a given ratio, with the working shown.
Open in Ratio & Proportion Calculator โRatio
Simplify ratios (including decimals), solve proportions like 3 : 4 = x : 20, and divide an amount in a given ratio, with the working shown.
Open in Ratio & Proportion Calculator โPowers
Raise any number to any power: exact results for whole-number powers (even huge ones like 2ยนโฐโฐโฐ), plus negative, fractional and decimal exponents.
Open tool โDescribe data, work out probabilities, and run the inference behind a stats assignment.
Average
Paste a list of numbers to get the mean, median, mode, range, quartiles, IQR, geometric and harmonic means, and skewness.
Open in Mean, Median & Mode Calculator โAverage
Paste a list of numbers to get the mean, median, mode, range, quartiles, IQR, geometric and harmonic means, and skewness.
Open in Mean, Median & Mode Calculator โAverage
Paste a list of numbers to get the mean, median, mode, range, quartiles, IQR, geometric and harmonic means, and skewness.
Open in Mean, Median & Mode Calculator โSpread
Calculate sample or population standard deviation and variance for a list of numbers, with a step-by-step table, coefficient of variation, and standard error.
Open in Standard Deviation & Variance Calculator โSpread
Calculate sample or population standard deviation and variance for a list of numbers, with a step-by-step table, coefficient of variation, and standard error.
Open in Standard Deviation & Variance Calculator โOdds
Calculate probabilities for two events (and, or, not, conditional), the chance of something happening at least once, and binomial probabilities for k successes in n trials.
Open tool โSolve mechanics, electricity, and waves formulas for any variable, in the units your problem uses.
Motion
Solve d = v ร t for speed, distance or time, mixing units freely โ km/h, mph, m/s, knots; km, miles, metres; hours, minutes, seconds.
Open in Speed, Distance & Time Calculator โMotion
Solve d = v ร t for speed, distance or time, mixing units freely โ km/h, mph, m/s, knots; km, miles, metres; hours, minutes, seconds.
Open in Speed, Distance & Time Calculator โMotion
Calculate acceleration from a change in velocity, from force and mass, or from distance โ and solve for any other variable, in any units.
Open tool โForce
Solve F = m ร a for force, mass or acceleration, or find weight from mass (W = mg), in newtons, kN, lbf or kgf.
Open tool โMomentum
Calculate momentum (p = mv) and impulse (ฮp = Fฮt), solving for any variable in any units.
Open tool โWork
Calculate the work done by a force (W = Fd cos ฮธ), or solve for force, distance or angle, in joules, kJ, ftยทlbf and more.
Open tool โMoles, solutions, balanced equations, gases, and decay, plus a periodic table to look things up.
Chemistry
Enter a chemical formula to get its molar mass and percent composition by element. Handles brackets and hydrates, using IUPAC standard atomic weights.
Open in Molecular Weight Calculator โMoles
Convert between grams, moles, and number of particles for any chemical formula, with the molar mass worked out for you.
Open tool โChemistry
Calculate molarity from mass or moles of solute, solve for mass or volume, and work out dilutions with cโVโ = cโVโ.
Open tool โChemistry
Calculate molarity from mass or moles of solute, solve for mass or volume, and work out dilutions with cโVโ = cโVโ.
Open in Molarity Calculator โSolutions
Work out a solution's concentration as % w/v, % w/w, % v/v, ppm, ppb, g/L, and molarity from the amounts of solute and solution.
Open tool โReactions
Find the limiting reagent, theoretical yield, leftover excess reactants, and percent yield for any reaction, which is balanced for you first.
Open tool โCircuit components, beams, stress and strain, and fluid flow for engineering coursework.
Electrical
Find the output voltage of a two-resistor divider, or the input voltage or either resistor for a target output, with the divider current and power.
Open tool โElectrical
Decode 4, 5 and 6-band resistor colour codes, or find the bands for a value, plus the nearest standard E12, E24 or E96 value.
Open in Resistor Color Code Calculator โElectrical
Combine capacitors in series or parallel, and work out charge (Q = CV), stored energy, capacitive reactance, and the RC time constant.
Open tool โElectrical
Combine inductors in series or parallel, and work out stored energy, inductive reactance, the RL time constant, and the inductance of an air-core solenoid.
Open tool โElectrical
Solve the power triangle (kW, kVA, kVAR, power factor) from any two values, and size the capacitor needed to correct the power factor.
Open tool โStructures
Analyse a simply supported beam or cantilever under a point load and a uniform load: reactions, maximum shear, bending moment and deflection, with shear force and bending moment diagrams.
Open tool โGenetics crosses and DNA sequence work for biology classes.
Genetics
Build the Punnett square for a monohybrid, dihybrid, or trihybrid cross, with every gamete, offspring genotype, and the genotype and phenotype ratios.
Open tool โDNA
Get the complement, reverse complement, or reverse of a DNA sequence, or transcribe DNA to RNA, with base counts and GC content. FASTA and IUPAC codes supported.
Open tool โWork out your GPA and course grades, and what you need on the final to hit your goal.
GPA
Calculate your semester GPA from courses, credits, and letter grades, your cumulative GPA with earlier terms, and a weighted GPA for Honors and AP classes.
Open tool โGPA
Find the GPA you need in your remaining credits to reach a target cumulative GPA, the best GPA still possible, and how many A credits it takes.
Open tool โCourse grade
Add up the points from your assignments, quizzes, and exams to get your overall percentage and letter grade.
Open tool โFinal exam
Find the score you need on your final exam to reach the course grade you want, and see your final grade for any exam score.
Open tool โCourse grade
Work out your course grade when categories like homework, quizzes, and exams count for different percentages, including your grade so far.
Open tool โExam
Turn a test score into a percentage and letter grade from the number right or wrong, with a full grading table for the test.
Open tool โTimers to keep you focused and planners for assignments, exams, projects, and your thesis.
Focus
A Pomodoro timer for focused work: 25-minute sessions with short and long breaks, sounds, notifications, and a daily count.
Open tool โFocus
A Pomodoro timer for focused work: 25-minute sessions with short and long breaks, sounds, notifications, and a daily count.
Open in Pomodoro Timer โStudy
Time your study sessions by subject, log them automatically, and see today's and this week's totals against a daily goal. Saved in your browser.
Open tool โTiming
A precise online stopwatch with lap times, fastest and slowest laps highlighted, keyboard shortcuts, and CSV export.
Open in Online Stopwatch โAlarm
Set a countdown timer or an alarm for a time of day, with a sound, an optional desktop notification, pause, and snooze.
Open in Timer & Alarm โExams
Count down to every exam at once: a live countdown to the next one and the days left until each, with exams in the coming week highlighted. Saved in your browser.
Open tool โBudget your student life, check what rent you can afford, and understand loans, savings, and pay.
Budget
Budget a whole academic year: add your loan, job, and family income and your rent, food, and course costs at any frequency, and see what's left to spend each week.
Open tool โBudgeting
Plan a monthly budget by category, see what's left to assign, and compare your needs, wants, and savings with the 50/30/20 guideline.
Open in Budget Planner โRent
Find how much rent you can afford by the 30% rule and the landlord 40ร rule, or the income you need for a rent, with flatmates sharing the cost.
Open tool โLoans
Calculate the monthly payment (EMI) for a personal, car, or student loan, the total interest, and a full amortization schedule, with extra payments.
Open in Loan / EMI Calculator โLoans
Calculate the monthly payment (EMI) for a personal, car, or student loan, the total interest, and a full amortization schedule, with extra payments.
Open in Loan / EMI Calculator โSaving
Find how much to save each month to reach a goal by a date, or how long it takes at your current saving rate, with interest included.
Open in Savings Goal Calculator โBuild your resume, CV, and portfolio, and keep track of every job and internship application.
Resume
Build a resume, a UK/European CV, or an academic CV from a form, reorder its sections, and download a clean PDF. Each template is saved in your browser.
Open in Resume & CV Builder โResume
Build a resume, a UK/European CV, or an academic CV from a form, reorder its sections, and download a clean PDF. Each template is saved in your browser.
Open in Resume & CV Builder โResume
Build a resume, a UK/European CV, or an academic CV from a form, reorder its sections, and download a clean PDF. Each template is saved in your browser.
Open in Resume & CV Builder โPortfolio
Make a personal portfolio page with your bio, links, projects, and skills, preview it, and download it as one HTML file you can host anywhere for free.
Open tool โApplications
Track job and internship applications from saved to offer: deadlines, stages, contacts, and notes, with CSV export. Saved in your browser.
Open in Job & Internship Application Tracker โApplications
Track job and internship applications from saved to offer: deadlines, stages, contacts, and notes, with CSV export. Saved in your browser.
Open in Job & Internship Application Tracker โFormatters, converters, generators, and playgrounds for programming coursework and projects.
Data
Format, validate, and minify JSON in your browser. Paste it, upload a file, or load it from a URL. Errors show the exact line and column.
Open in JSON Formatter & Validator โData
Format, validate, and minify JSON in your browser. Paste it, upload a file, or load it from a URL. Errors show the exact line and column.
Open in JSON Formatter & Validator โData
Format, validate, and minify JSON in your browser. Paste it, upload a file, or load it from a URL. Errors show the exact line and column.
Open in JSON Formatter & Validator โC# / .NET
Paste JSON and get C# model classes or records, ready for System.Text.Json or Newtonsoft.Json. Nested objects, arrays, nullable types, dates, and GUIDs are inferred for you.
Open in JSON to C# Class Generator โTypeScript
Paste JSON and get TypeScript interfaces or type aliases, with nested objects named for you, optional and nullable fields detected from every array item, and union types.
Open in JSON to TypeScript โSQL
Turn a JSON array into a CREATE TABLE with inferred column types and batched INSERT statements for PostgreSQL, MySQL, SQL Server, or SQLite.
Open in JSON to SQL โFlowcharts, mind maps, and timelines for slides, reports, and revision notes.
Diagram
Draw flowcharts with start/end, process, decision, input/output, and note shapes, connect them with labelled arrows, and export PNG or SVG. Saved in your browser.
Open tool โDiagram
Build a mind map with keyboard shortcuts, automatic layout, and coloured branches, import or export it as an outline, and download PNG or SVG. Saved in your browser.
Open tool โDiagram
Make a vertical or horizontal timeline from dated events, evenly spaced or to scale, and download it as PNG or SVG for slides and reports. Saved in your browser.
Open tool โConverters, time and date tools, quick calculators, and generators for day-to-day student life.
Length
Convert between miles, kilometres, feet, metres, inches, centimetres, yards and more โ exact to the international yard, with a reference table and every unit at once.
Open in Length Converter โTime zones
Convert a date and time between any time zones, with daylight saving time handled automatically, plus flight arrival times in local time.
Open tool โClock
See the current time in cities around the world, with the date, time zone, and difference from your local time. Your list of cities is remembered.
Open tool โDuration
Count the days between two dates, and see the difference in years, months, weeks, weekdays, hours, and minutes.
Open in Date Difference Calculator โAge
Calculate exact age in years, months, and days from a date of birth, plus total months, weeks, and days, and how long until the next birthday.
Open tool โTime
Add and subtract hours and minutes, find the time after or before a duration, or the time between two clock times, including overnight.
Open tool โ