All 96 tools

Every tool on Quick Work Studio, grouped by category. All of them are free, need no sign-up and run entirely in your browser.

Converters (17)

Text Tools (21)

Reverse Text Flip any text backwards, character by character, for puzzles, palindromes and mirror-writing. ROT13 Cipher Encode or decode text with ROT13, the classic letter-shift cipher used to hide spoilers and puzzle answers. Shuffle Lines Randomly reorder the lines of a list, useful for draws, quiz questions and fair turn orders. Add Line Numbers Add 1, 2, 3… numbers to the start of every line in a block of text or code. Text to URL Slug Turn a title into a clean, lowercase, hyphenated URL slug that search engines read well. Number to Words Spell out any number in English words, e.g. 1,234 becomes one thousand two hundred thirty-four. Case Converter Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case or kebab-case. Text Cleaner Clean messy pasted text with switchable rules: trim spaces, remove blank or duplicate lines, strip HTML, bullets and emojis, straighten quotes or join lines. Sort Lines Sort a list alphabetically A→Z or Z→A, or numerically from smallest to largest, ignoring upper/lower case. Morse Code Translator Translate text to International Morse code and decode dots and dashes back into letters. Binary Translator Convert text to binary, hex, decimal or octal bytes (UTF-8) and back again, type in either box. Base64 Encoder & Decoder Encode text to Base64 or decode Base64 strings back to text, with full UTF-8 and emoji support. URL Encoder & Decoder Percent-encode text so it is safe inside a URL or query string, or decode %20-style URLs back to readable text. HTML Entity Encoder & Decoder Escape < > & and quotes into HTML entities so they display as text, or unescape entities back to characters. Roman Numeral Converter Convert numbers 1–3999 into Roman numerals and Roman numerals back into numbers. Word & Character Counter Count words, characters (with and without spaces), sentences and paragraphs, plus reading and speaking time, live as you type. Palindrome Checker Check whether a word, phrase or number reads the same forwards and backwards, ignoring spaces, punctuation and capitals. Find & Replace Find every occurrence of a word or phrase and replace it, with match-case and whole-word options and a count of replacements. Lorem Ipsum Generator Generate Lorem Ipsum as paragraphs, sentences, words or list items, in short, medium or long lengths, as plain text or HTML. Text Diff Checker Compare two versions of a text line by line or word by word, see what was added or removed, and how similar they are. JSON Formatter & Validator Format, validate and minify JSON, spot syntax errors and turn messy JSON into readable, indented text or a compact single line.

Calculators (34)

Percentage Calculator Answer the everyday percentage questions at once: what % one number is of another, X% of a number, and adding or removing a percentage. Percentage Change Find % increase or decrease between two values. Tip Calculator Split a bill with tip, per person. Discount Calculator Work out a sale price. BMI Calculator Estimate Body Mass Index from height and weight. BMR Calculator Estimate your basal metabolic rate, the calories your body uses at complete rest, with the Mifflin–St Jeor equation. Age Calculator Find your exact age in years, months and days, the total days you have lived, the weekday you were born and your next birthday. Date Difference Calculator Count the days between two dates, also shown in weeks and days, with or without counting the end date. Simple Interest Calculator Interest that doesn't compound. Compound Interest Calculator See how savings grow with compound interest, compounded yearly, half-yearly, quarterly or monthly, plus the effective annual rate. Loan / EMI Calculator Work out the monthly EMI, total interest and total repayment for a home, car or personal loan. Sales Tax / GST Calculator Add GST or sales tax to a price, or work out the tax already included in a price, with the CGST and SGST split for India. Average Calculator Find the mean, median, smallest and largest value, count and sum of a list of numbers. GPA Calculator Weighted GPA from grades and credits. Circle Area & Circumference Enter a circle's radius to get its area, circumference and diameter. Rectangle Area & Perimeter Get a rectangle's area, perimeter and diagonal from its width and height, handy for rooms, plots and screens. Triangle Area Calculator From base and height. Fuel Cost Calculator Cost of a trip by distance and efficiency. Unit Price Comparator Compare up to three packs by price per 100 g, per 100 ml or per item, mixed units like g and kg are converted for you. Calorie Needs (TDEE) Estimate your total daily energy expenditure, the calories you burn in a day including activity, from your BMR and activity level. Bill Split Calculator Split any bill evenly between friends, with a rounded-up amount so nobody has to deal with loose change. Working Days Calculator Count working days between two dates with your weekly off (Sat + Sun, Sunday only, or Fri + Sat), minus holidays, plus working hours. SIP Calculator Work out the maturity value of a monthly SIP, how much you invested, and the gains, for any amount, return rate and duration. Lumpsum Investment Calculator See how a one-time investment grows over time at a given annual return, with the gains shown separately. CGPA to Percentage Calculator Convert a CGPA (on a 10-point scale) to a percentage using the common CBSE formula. Percentage to CGPA Calculator Convert a percentage back to a CGPA on the 10-point scale using the CBSE formula. Salary Calculator Convert a salary between yearly, monthly, weekly and hourly, based on your working hours. Profit Margin Calculator From a cost and selling price, find the profit, the profit margin and the markup, three numbers people often mix up. Markup Calculator Add a markup percentage to a cost price to get the selling price, with the resulting profit and margin. Electricity Bill Calculator Estimate what an appliance costs to run, from its wattage, hours of use and your electricity rate per unit. Running Pace Calculator Enter a distance and your time to get your pace per kilometre and per mile, and your speed. Aspect Ratio Calculator Find the simplified aspect ratio of any width and height, and the matching height for a new width. Add or Subtract Days Calculator Add or subtract a number of days from any date to find the resulting date and the weekday it falls on. Hours Calculator Work out how much time passed between a start and end time, in hours and minutes, including shifts that run past midnight.

Generators (13)

Password Generator Generate strong random passwords with your choice of length and character types, a strength estimate, and an option to avoid look-alike characters. PIN Generator Generate random numeric PIN codes of 4 to 12 digits using secure randomness, with no predictable patterns. UUID Generator Generate random version-4 UUIDs (GUIDs) for databases, APIs and software development. Random Number Generator Generate one or many random whole numbers in any range, with optional no-repeat and sorting, for draws, games and sampling. Dice Roller Roll up to 50 virtual dice: d4, d6, d8, d10, d12, d20 or d100, and see each roll and the total. Coin Flip & Yes/No Decider Flip a fair virtual coin or get a random Yes / No answer, with a running tally of every result. Random Name Picker Pick one or several random winners from a list of names or entries, fair, quick and ideal for giveaways, raffles and classrooms. Random Color Generator Generate a random colour with its HEX code and a live preview, useful for design ideas and placeholder colours. Color Palette Generator Create a five-colour palette from one starting colour, with evenly spaced hues for balanced, cohesive colour schemes. Color Format Converter Convert colours between HEX, RGB and HSL formats in either direction, with a live colour preview. CSS Gradient Generator Build a CSS linear gradient from two colours and an angle, preview it live and copy ready-to-use CSS. Random Username Generator Generate six catchy username ideas at a time from adjective and noun combinations, with optional numbers or underscores. Passphrase Generator Generate long, memorable passphrases from a list of over 7,000 English words, with a strength estimate in bits.

Image Tools (4)

Image Resizer Resize photos and images to exact pixel dimensions or by percentage, keep proportions automatically, and download as JPG, PNG or WebP. Image Compressor Shrink JPG, PNG and WebP images by lowering quality and maximum width, see exactly how much space you saved, and download the result. Image to Base64 Convert any image into a Base64 data URL, HTML img tag or CSS background so it can be embedded directly in code or email templates. Color Picker from Image Upload a photo and tap any pixel to get its exact colour in HEX, RGB and HSL, with a history of your recent picks.

Productivity (7)

Countdown Timer A countdown timer for hours, minutes and seconds with quick presets, pause and resume, plus a sound and vibration alert when time is up. Stopwatch An online stopwatch with tenths of a second, pause and resume, and lap times showing each split and the running total. Pomodoro Timer A Pomodoro timer with customizable focus and break lengths, automatic long breaks every four rounds, alerts, and a daily session count. Quick Notes A private scratchpad that saves automatically on your device, no account needed, with word count, copy and download as a text file. To-Do List A simple to-do list that saves on your device: add tasks, tick them off, delete them and clear completed items in one tap. Character Limit Checker Check your text against character limits for X, SMS, Instagram, YouTube, LinkedIn and Google titles and descriptions as you type. Typing Speed Test Test your typing speed in words per minute and your accuracy with random practice passages, the timer starts with your first keystroke.