Productivity Tools

Find overlapping working hours for participants in different time zones - visual 24-hour timeline, 60+ IANA time zones, DST-accurate, up to 8 participants - Free online meeting planner

Create structured meeting agendas with time slots, presenter assignments, and notes. Export as plain text or PDF - Free online meeting agenda builder.

Plan your week by entering available time slots across multiple days. Set meeting duration and buffer preferences, then generate an optimised weekly timetable that maximises focused work time - all running locally in your browser, no signup required. Free online Meeting Scheduler.

Calculate the actual deadline considering working days only. Enter a due date, exclude weekends and holidays (with country presets), and see the number of working days remaining. Also calculates backwards: if a task takes N working days, when should you start?

Set up recurring tasks with custom schedules (daily, weekly, bi-weekly, monthly, custom intervals). Visual monthly calendar showing scheduled tasks with color-coded dots, completion checkboxes, per-task streak tracking, and completion rate statistics. All data saved to browser localStorage - no signup, no upload.

Create a dashboard of multiple countdown timers for birthdays, vacations, project deadlines, and product launches. Each countdown shows live days/hours/minutes/seconds with custom colour themes and smart sorting by nearest event. Different from single-event countdown timers. All data saved to browser localStorage - no signup required.

Run multiple countdown timers simultaneously. Set hours, minutes, and seconds for each timer, name them, and control each one independently with start, pause, resume, and reset. Visual progress bars and browser notifications ensure you never miss a completion - all running locally in your browser with no signup required.

Browser-based 25/5-minute focus timer with desktop notifications and session tracking - Free online Pomodoro Timer.

Create shareable countdown timers to any date with a live visual display, custom labels, and color themes - Free online countdown timer.

Adjustable BPM (20-300) metronome with tap tempo, visual beat indicator, and audio click via Web Audio API. Supports 8 time signatures. Free online metronome, no signup required.

Extended Pomodoro techniques - 52/17 for deep work, Flowtime for distraction-based pacing, and custom intervals. Focus session tracking per day and week with stats dashboard. No signup required.

Minimal drag-and-drop daily task planner with priority labels, time-block grouping, and progress tracking - saves to local storage, no account needed.

Simple drag-and-drop kanban board saved in localStorage - create columns, add cards with priority labels and tags, and track your workflow. No login, no server - Free online kanban board.

Distraction-free notepad with colour-coded notes, pin-to-top, full-text search, and auto-save to local storage - no account or cloud needed.

Fill a form and download a clean, printable PDF invoice - add line items, tax, discount, and payment notes. No data sent to a server - Free online invoice generator.

Create custom checklists with categories and items, track progress, and download a printable PDF. No data sent to a server - Free online checklist generator.

Plan and schedule social media posts with a visual calendar. Add captions, hashtags, and media links for Instagram, Twitter/X, Facebook, LinkedIn, TikTok, and YouTube. Session-based planner with CSV export. All processing runs locally in your browser - free online Social Media Planner, no signup required.

Create and manage study schedules with colour-coded subjects, a visual weekly timetable builder, and progress tracking with session logging - saves to local storage, no account needed.

Generate optimised study timetables from subjects, hours per week, and preferred times. Visual weekly calendar view with color-coded subjects - Free online study schedule maker.

Plan weekly meals with a visual day-by-day grid. Add recipes with ingredients and cooking notes for breakfast, lunch, dinner, and dessert. Navigate between weeks with simple controls. Everything saves automatically to local storage - no account needed, completely free.

Private daily journal with date-stamped entries, mood selection, gratitude prompt, and free text. Calendar view shows days you have written. Browse and search past entries by date. Streak tracking with average mood statistics. All saved to localStorage - fully private, no signup required.

Roll any number of dice with any number of sides - d4, d6, d8, d10, d12, d20, d100, or custom. Add modifiers and track full roll history - Free online dice roller.

Calculate and display biorhythm cycles (physical 23-day, emotional 28-day, intellectual 33-day) for any birth date. Shows daily cycle percentages with colour-coded score cards, critical day detection and alerts, and an interactive SVG 30-day chart with adjustable range (14-90 days). All processing runs locally in your browser - free online Biorhythm Calculator, no signup required.

Flip a virtual coin and get an instant heads or tails result with animated coin toss, probability tracking, streak counter, and flip history - Free online coin flip.

Generate random motivational, programming, philosophy, science, and humor quotes instantly with copy and share buttons - Free online random quote generator.

Paste a list of names and spin the animated wheel to pick a random winner instantly - with pick history, remove-after-pick mode, and no signup required. Free online random name picker.

Spin the wheel to make random decisions with custom options - yes/no, names, choices, or anything else. Free online decision maker wheel with equal probability and spin history.

Visual Apple/Mac keyboard layout tester with live key highlighting. Detects Fn, Globe, Command, Option, Control, Caps Lock keys - Free online Apple keyboard tester.

Interactive multiple-choice quiz on world capitals for all 195 countries - regional filters, two quiz modes, instant feedback, and score tracking. Free online world capitals quiz.

Generate random riddles with answers from a built-in library of 200+ hand-curated riddles. Filter by difficulty (Easy, Medium, Hard) and category (Logic, Wordplay, Math, Lateral Thinking). Reveal hints and answers progressively with a staged button system. Shuffle for random picks. All riddles built-in - no AI, no API calls. All processing runs locally in your browser - free online Riddle Generator, no signup required.

Spin a customizable wheel to randomly pick from a list of entries. Add/remove entries, customise per-entry colours from 16 options, animated SVG spin, and full spin history.

Visual Windows keyboard layout that lights up keys as you press them - tests every key including modifiers, shows key code and scan code. Free online Windows keyboard tester, no signup required.

Generate random numbers within any range - supports integers and decimals, configurable count (1-1000), decimal places (1-5), and duplicate control. One-click copy and full generation history. Free online random number generator, no signup required.

Fun compatibility calculator based on name inputs. Enter two names to see your love compatibility percentage with an animated heart metre gauge. Features a deterministic algorithm analysing shared characters, name length, vowel-consonant harmony, and letter position matching. 10 fun categories from Cosmic Soulmates to Opposite Poles with personalised love messages. Shareable results and session history. All processing runs locally in your browser - free online Love Calculator, no signup required.

Word search puzzle game where players find hidden words within a letter grid across 6 categories (Animals, Programming, Geography, Space, Food, Science) and 4 difficulty levels. Timed rounds with combo scoring, letter-based points, and unique puzzles every game. Free online word search puzzle game, no signup required.

Generate lucky numbers from your birth date, favorite number, or personal details. Single, combo, and lottery-style number sets with random number generation - Free online lucky number generator.

Fun friendship and work compatibility meter. Enter names, pick favourite colours and numbers, and adjust 8 personality sliders to get a deterministic compatibility score with personalised labels, strengths, and tips. Perfect icebreaker for friends, couples, and teams - no signup required.

Play a full game of Chess online free. Two-player mode and vs AI with adjustable difficulty, legal move highlighting, castling, en passant, pawn promotion, check/checkmate/stalemate detection, move history in algebraic notation, and captured pieces display. Uses minimax AI with alpha-beta pruning. All processing runs locally in your browser - free online Chess, no signup required.

Test your typing speed (WPM) and accuracy with timed and text-based modes. Real-time WPM/accuracy display, character-level correctness tracking, and session history with improvement chart. Free online typing speed test, no signup required.

Classic Pong game with modern neon visuals. Play vs AI or two-player mode. Score tracking, speed progression, first to 7 wins. Free online Pong game, no signup required.

Fast-paced grid reaction game. Find target numbers on a growing grid (3×3 to 8×8), build combos with consecutive hits, and beat your high score with increasing difficulty - Free online GridRush 252, no signup required.

Find all possible English words from a set of letters with wildcard (?) support and advanced pattern matching - filter by word length, starts-with, ends-with, and contains. Ideal for Scrabble, Wordle, crossword puzzles, and anagram solving. Returns matches instantly from a curated word list - all processing runs locally in your browser, no data leaves your device. Free online word finder - no signup required.

Take trivia quizzes across six categories (Science, History, Geography, Entertainment, Sports, Technology). Multiple-choice format with 10 questions per round. Score tracking and answer review with a built-in question bank - all local, no API calls.

A different take from the standard love calculator - assign custom weights to categories like shared interests, personality traits, values, communication style, and lifestyle. Sliders-based interface with visual compatibility radar chart. All deterministic, template-based.

Classic 2048 puzzle game with a modern twist - choose from 3×3 to 6×6 grids, unlimited undo, smooth animations, keyboard and touch controls. Reach 2048 and keep going for higher scores. Free online 2048 game - no signup required.

Browse hundreds of kaomoji (Japanese text emoticons) organised by emotion - happy, sad, angry, love, confused, celebrate, and animal. Click to copy instantly. Save favourites and add your own custom kaomoji. All data stored locally in your browser - free online Kaomoji Picker, no signup required.

Store and manage 2FA backup codes securely in your browser. Encrypt codes with a master password using the Web Crypto API (AES-GCM). View, reveal, and mark codes as used. All data encrypted and stored in localStorage.

Generate secure numeric PINs of configurable length (4-12 digits). Avoid sequential numbers, repeated digits, and hundreds of common weak patterns (1234, 0000, birthdays, keyboard patterns). Generate multiple PINs at once with strength analysis, copy individual or all PINs, and download as text. All processing runs locally in your browser - no signup required.

Write encrypted notes that are AES-256-GCM encrypted in your browser before being stored. Set a passphrase to encrypt and decrypt notes. Notes are stored as encrypted ciphertext in localStorage. All encryption and decryption happens locally using the Web Crypto API - no signup required, nothing sent anywhere.

Check password strength in real-time as you type with character analysis, Shannon entropy calculation (bits), and estimated time-to-crack at 1 billion guesses per second. Visual strength bar (Very Weak to Very Strong) with a 0-100 score. Requirements checklist tracks 7 criteria. Character breakdown by uppercase, lowercase, digits, and symbols. Includes a secure password generator (8-64 chars) with customisable character sets using crypto.getRandomValues(). All processing runs locally in your browser - free online Password Strength Meter, no signup required.

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes for any text or file. Compare two hashes for equality. All via Web Crypto API, local-only. Free online Hash Generator & Comparator, no signup required.

Simple browser-local habit tracking with streak counting and a monthly grid view - Free online Habit Tracker.

Plan wedding expenses by category with budget allocation and spending tracking. Set budget amounts for venue, catering, attire, photography, flowers, rings, and more - track paid vs remaining with visual donut charts, status badges, and a full budget breakdown table. Supports custom categories and vendor notes - all processing runs locally in your browser, no signup required. Free online Wedding Budget Planner.

Start/stop timer for tracking time spent on tasks with session history, descriptions, and daily/weekly summary views - all saved locally in your browser, no signup required. Free online Time Tracker.

Log daily expenses with categories (food, transport, bills, shopping, entertainment). Daily/monthly spending charts, budget limit alerts, and localStorage persistence - Free online Daily Expense Tracker, no signup required.

Track daily mood with emoji-based selection. Add notes and triggers. Weekly/monthly mood calendar heatmap view with mood distribution stats and trend charts - Free online Mood Tracker, no signup required.

Generate professional itemised receipts with tax, discount, and multi-currency support - download as text or print. Free online Receipt Generator.

Enter income and expenses by category and see an instant breakdown chart with balance and savings rate - Free online budget planner.

Generate printable shipping labels with sender and recipient address, carrier, service, barcode, weight, and dimensions - print or download instantly. Free online shipping label generator.

Add assets and liabilities across categories to calculate and visualize your net worth in real time - 6 currencies, asset breakdown chart, no signup required. Free online net worth calculator.

Calculate break-even units, revenue, contribution margin, and margin of safety from fixed costs, variable cost, and selling price - with a live chart. Free online break-even calculator.

Calculate how much to save monthly, weekly, or bi-weekly to reach any financial goal by your target date - supports interest rates, existing savings, and multiple contribution frequencies. Free online savings goal calculator.

Calculate investment returns with compound interest. Input principal, rate, time, and compounding frequency. Visual growth chart, monthly additions (SIP), and yearly breakdown. Free online investment return calculator, no signup required.

Calculate estimated due date from last menstrual period or conception date using Naegele's Rule (LMP + 280 days). Shows weekly pregnancy timeline with trimester markers, key developmental milestones, current week, and progress percentage. All processing runs locally in your browser - free online Pregnancy Due Date Calculator, no signup required.

Comprehensive investment calculator with monthly contributions, inflation adjustment, and tax considerations. Shows projected vs inflation-adjusted real value with a year-by-year growth chart and detailed monthly schedule. Supports annual return rate, inflation rate, and capital gains tax rate. Free online investment calculator, no signup required.

Calculate percentages online with four modes: what is X% of Y, X is what % of Y, X is Y% of what, and percentage change. Quick preset buttons for common calculations (10%, 15%, 20%, 25%, 50%) - all processing happens locally in your browser, no signup required. Free online percentage calculator.

Convert between 250+ units across 15 categories - length, mass, volume, area, temperature, speed, time, pressure, energy, power, data storage, fuel economy, angle, force, and frequency. Smart search, real-time conversion, and all common unit pairs.

Calculate Body Mass Index using WHO-recommended thresholds for Asian populations. Asian-specific BMI categories: underweight (<18.5), normal (18.5-23), overweight (23-27.5), obese (≥27.5). Visual Asian BMI scale with category markers, healthy weight range, weight to lose/gain, and personalized recommendations. Supports metric and imperial units. All processing runs locally in your browser - free online Asian BMI Calculator, no signup required.

Estimate trip costs including fuel, accommodation, food, and activities with per-person and total cost breakdown - supports 12 currencies, km/miles units, no signup required.

Full scientific calculator with trigonometric functions (sin, cos, tan, and inverses), logarithms (log and ln), exponents (x², x³, xʸ, 10ˣ, eˣ), square roots, factorials, pi, e, memory functions (MC/MR/M+/M-/MS), and degree/radian mode. Calculation history panel stores up to 50 entries. Keyboard input supported. All processing runs locally in your browser - free online Scientific Calculator, no signup required.

Convert Arabic numbers (1-3999) to Roman numerals and back with bidirectional conversion. Shows step-by-step breakdown of each conversion with detailed explanations. Includes conversion history of recent conversions. All processing runs locally in your browser - free online Roman Numeral Converter, no signup required.

Calculate the exact age difference between two dates in years, months, days, hours, and minutes with birthday countdowns, zodiac signs, birth weekday, and a visual age comparison - all running locally in your browser, no signup required. Free online age difference calculator.

Convert between 150+ currencies with live exchange rates via the Frankfurter API. Features favourites, offline caching via localStorage, inverse rates, and a 30-day historical trend chart - no signup required.

Compress multiple files of any type into a ZIP archive entirely in the browser using DEFLATE compression - no upload to server, no signup required. Free online ZIP file creator.

Decompress any .gz or .gzip file instantly in the browser using the native DecompressionStream API - no upload to server, no signup required. Free online GZIP decompressor.

Convert .tar.gz and .tgz archives to ZIP format in the browser - preserves directory structure, no upload to server, no signup required. Free online TAR.GZ to ZIP converter.

Browse ZIP archive contents and extract only the specific files you need - no need to download the entire archive. Free online selective ZIP extractor, no signup required.

Compress binary or text data using ZLIB format (RFC 1950) in the browser - output as Base64, hex, or raw binary download. Free online ZLIB compressor, no signup required.

Preview system fonts and Google Fonts with custom text, size, weight, line height, and letter spacing. Test heading and body font pairings side-by-side in comparison mode. View character sets and generate ready-to-use CSS code (@import, <link>, font-family, complete @font-face). All font metadata is embedded - no external API calls needed for browsing, only Google Fonts CDN for preview rendering. All processing runs locally in your browser - free online Font Preview & Pairing Tool, no signup required.

Generate colour palettes from any seed colour using 7 harmony rules (complementary, triadic, analogous, split-complementary, tetradic, monochromatic, shades). View HEX, RGB, HSL values, and WCAG contrast ratios for each swatch. Export as CSS variables, SVG swatch sheet, or plain text. All processing runs locally in your browser - free online Color Palette Generator, no signup required.

Generate placeholder images in any size with custom text overlay, background colour, and text colour. Choose from solid colour or pattern backgrounds. Download as PNG. Perfect for UI mockups and wireframes.

Estimate internet connection speed by downloading a test payload and timing it. Measures download speed (Fetch API + Streams), upload speed (generated payload), and latency (median of HEAD request samples). Visual gauge with progress tracking, speed ratings (Very Fast to Slow), and test history with summary stats. All processing runs locally in your browser - free online Speedtest-Lite, no signup required.

Build cron expressions visually by selecting minute, hour, day, month, and weekday with wildcard, value, range, step, and list modes. See human-readable explanations and next 5 run times. 18 common presets (every hour, daily, weekly, monthly, etc.). Copy to clipboard - all processing runs locally in your browser, no signup required.

Test regular expressions in real-time - enter pattern and test strings, see matches highlighted with capture groups. Supports flags (g, i, m, s, u, y). Quick reference table of common patterns. All local, no data sent anywhere.

Parse any User-Agent string into browser name, version, rendering engine, operating system, device type (Desktop/Mobile/Tablet/Bot), and architecture. Compare two UA strings side-by-side, detect bots and spoofing attempts, see browser market share context, and get confidence scores. Includes 8 example UAs, recent parsing history, and localStorage persistence - all processing runs in your browser, no signup required.

A complete, searchable reference of all HTTP status codes (1xx-5xx) with descriptions, meanings, and usage notes. Browse over 50 status codes from standard HTTP, WebDAV, and experimental specifications. Search by code or keyword, filter by category (1xx-5xx), and access detailed explanations, practical usage guidance, and RFC sources. Copy any status code with one click. Free online HTTP status code reference - no signup required.

Browse and search over 200 well-known TCP/UDP port numbers with service names, descriptions, protocols (TCP/UDP/SCTP), and IANA registration status. Filter by category (Web, Email, Database, Gaming, Security, File Transfer, Remote Access). Real-time search by port number or service name. All data bundled - works offline, no signup required.

Balance chemical equations by entering reactants and products. Uses combinatorial search to find the correct coefficients. Shows the balanced equation with state symbols option. Great for chemistry students - all local.

Interactive periodic table with all 118 elements. Browse by atomic number, symbol, or name. Colour-coded by category with detailed information cards showing electron configuration, melting/boiling points, discovery history, and visual electron shell diagram - no signup required.

Track your clipboard history as you copy text. View last 50 clipboard entries, click to restore any entry to clipboard, search history, and clear items. Uses the Clipboard API and localStorage. Great for multitasking.

Split a list of names into random, balanced teams with configurable team size or number of teams. Uses Fisher-Yates shuffle for unbiased distribution. Copy teams as text. Perfect for classrooms, workshops, hackathons, and group activities - all local, no signup required. Free online Random Team Generator.

Play white noise, pink noise, brown noise, and rain sounds through your browser using the Web Audio API. Adjustable volume, sleep timer (5-120 min), and live audio visualizer. All processing runs locally in your browser - free online Noise Generator, no signup required.

Generate single-elimination tournament brackets from any list of participants. Supports random or ranked seeding, interactive winner advancement through all rounds, automatic bye handling, and print-ready bracket output. All processing runs in your browser - no signup required.

Create visual mood boards with text notes, colour swatches, and image uploads. Drag to arrange items freely, resize, and layer them on the canvas. Create multiple boards for different projects. Export any board as a single PNG image. All data saved to browser localStorage - no signup required.

Generate placeholder text in multiple variants - standard Lorem Ipsum, Cicero Lorem, hipster ipsum, corporate ipsum, and random words. Choose output by paragraphs, sentences, or words. One-click copy.