Free Online Tools

Free classroom birthday chart generator: enter names with month and day (never a birth year), get a month-by-month wall chart with the next birthday highlighted — printable in one click. No sign-up.

Free escape room cipher generator: type secret messages, pick a cipher (Caesar to Playfair and rail fence) and hint level per clue, and print ready-to-hide clue cards plus a game-master answer key — all encoded in your browser.

Free QR code treasure hunt generator: write a clue per station, add your own picture, print themed cards with QR codes plus a teacher answer sheet, hide them, hunt. The codes contain the clue text itself — no app, no account, works without internet.

Free cipher decoder and encoder that shows every step: Caesar, ROT13, Atbash, A1Z26, Morse, Vigenère, keyword, rail fence, Playfair, and pigpen symbols with a printable chart — each letter explained as it transforms.

Free classroom screen for the smartboard: compose a timer, name picker, clock, agenda note, noise meter, scoreboard, traffic light, and work symbols on one fullscreen board — no account, no ads while presenting.

Free brain break generator with 60 curated zero-prep classroom activities: filter by calm or energize, time, and space, and one tap deals a giant activity card for the smartboard — ad-free in fullscreen.

Free station rotation timer for classroom centers: groups and stations on one fullscreen board with a big countdown — chime and automatic rotation at zero, no ads on the projector.

Free classroom jobs chart generator: enter your class list and jobs, get a mathematically fair rotation where every student does every job — printable, with an ad-free fullscreen mode for the smartboard.

Free random seating chart generator with rules and four room layouts — rows, groups/pods, horseshoe, circle. Keep students apart or together, exam spacing with an empty desk between students, pin students to the front, print the chart. Ad-free projector view.

Free exam clock for the classroom display: a large live clock with each exam’s start and finish times, live time remaining per paper, and one-click +10/25/50% extra-time rows. Ad-free fullscreen.

Free reading fluency timer: run the standard 1-minute probe or time a whole passage, tap the last word read to stop and score, and get WCPM placed in the national Hasbrouck–Tindal percentile bands by grade and season.

Free Lexile to guided reading level converter: enter a Lexile, F&P letter, DRA level, AR/ATOS level, or grade and see the matching band in every other system — plus a printable K–8 conversion chart. No sign-up.

Free addition timed test online with a subtraction mode: pick fact families 1–12, race the clock or the 1-minute sprint, get instant grading and a drill round built from your missed fact families. No sign-up.

Free multiplication timed test online — with division, addition and subtraction modes too. Pick your fact families (1–12), choose practice, timed test, or 1-minute sprint: instant grading and a missed-facts drill.

Free spelling test practice with your own word list: the browser reads each word aloud, the student types it, and gets instant feedback or an end-of-test score. No account, nothing uploaded.

Practice your locker combination online on a virtual Master-style dial: guided steps that explain every mistake, a no-hints test mode, and a timed challenge. Your combo is saved only on your device — no app, works on school Chromebooks.

Free online classroom traffic light: a big red, yellow, green behavior signal for your projector or smartboard. Tap or use R/Y/G shortcuts, customize what each light means, and present fullscreen ad-free.

Free interactive voice level chart for your classroom display: levels 0–4 from silence to outside voice, tap or press a number key and the level lights up huge — editable names, printable wall poster, fullscreen and ad-free while presenting.

Free classroom noise meter and volume monitor: a live traffic light powered by your microphone with adjustable green/red thresholds, an optional too-loud buzz, and an ad-free fullscreen mode. Nothing is ever recorded.

Free interactive scoreboard for classroom games: up to 12 color-coded teams, +1/+5/+10 point buttons, live rankings with ties, undo, weekly running totals, saved rosters, and an ad-free fullscreen projector view.

Free test grade calculator for teachers: percentage and letter grade from questions and wrong answers, a full printable grading chart, and curve modes (+points or best-paper-equals-100%).

Free random number generator. Draw one or many numbers between any minimum and maximum, with no-repeat and sorted options. Instant and fair.

Free online dice roller. Roll a d6, d20, d100 or any custom die, up to 100 dice at once, with totals, individual results, and roll history.

Free random name picker wheel for classrooms and events. Spin to choose a name fairly, auto-remove picked names, and present it ad-free in fullscreen.

A free, customizable spin the wheel tool with saved wheels (name your class list once, load it every morning), ready-made presets, and a clean ad-free fullscreen presentation mode for classrooms and live events.

Free random team picker. Split a list of names into balanced teams instantly. Includes ad-free presentation mode for classrooms and events.

Free fullscreen classroom timer with a giant countdown, color-shifting progress ring, and optional chime. Ad-free presentation mode for projectors.

A genuinely fair coin flip for classroom picks and honest decisions: true 50/50 heads or tails with a 3D animation, running stats and streaks, and an ad-free fullscreen mode. (The trick version lives at the rigged coin flip.)

Spin the yes or no wheel for an instant, unbiased answer to any question. Optional Maybe mode, session tally, and ad-free fullscreen view.

Free would you rather questions for kids: 160 hand-picked, kid-safe pairs in 10 themed categories, a one-click printable, and a fullscreen classroom game — no sign-up.

Free reading log generator: pick weekly, monthly, or summer layout, toggle the columns you track — title, author, minutes, pages, rating, parent signature — and print a clean sheet. No sign-up.

Free whack-a-mole review game for the classroom: paste your own questions, moles pop up holding answers, kids whack the right one. No PowerPoint, no download, no sign-up.

Free plinko review game for the classroom: answer a question right, drop a chip down the pegs, bank the slot it lands in. Or run rewards mode with your own prize labels. No PowerPoint, no download.

Free four in a row review game for the classroom: two teams answer your questions to earn disc drops — first to connect four wins. No PowerPoint, no download, no sign-up.

Play Nim online free — the classic 2-player matchstick game, or take on an unbeatable computer. Learn the nim-sum trick to always win the 21 game.

Play Hex free online, 2 players on one screen. Red connects top to bottom, Blue left to right, on a 7, 9, or 11 board — with the pie rule for a fair game. No sign-up.

Play the sprouts game online — Conway’s pencil-and-paper classic for 2 players on one screen. Draw real curves, the rules check themselves. Free, no sign-up.

Free emoji guessing game maker: build your own emoji quiz, play it on the spot, and share it with a link that carries the puzzles — nothing uploaded. Themed packs included.

Stardew Valley keg vs dehydrator calculator: compare raw, preserves jar, keg, and dehydrator profits for any crop — with Artisan perk, processing times, and profit per day per machine.

Free D&D 5e travel time calculator: distance in miles or hexes, fast/normal/slow pace, terrain and mounts, with forced-march exhaustion DCs — overland travel solved in one screen.

Free D&D 5e ability score roller: 4d6 drop lowest with every die shown, 3d6 classic, 2d6+6 heroic, the 27-point point buy calculator, and standard array assignment — all with live modifiers.

Free D&D encounter difficulty calculator for BOTH rule sets: 2014 DMG (XP thresholds × multiplier, easy to deadly) and 2024 DMG (Low/Moderate/High XP budgets, no multiplier) — every step of the math shown.

Free Pokémon dual type weakness calculator: pick one or two defending types and instantly see every 4×, 2×, ½×, ¼× and immune matchup — plus a full team weakness calculator with STAB coverage gaps. Complete gen 6+ chart.

Free Minecraft pixel art generator: turn any image into a block-by-block build plan, with a wool/concrete/terracotta palette picker, a shopping list in stacks of 64, a printable build guide, and .schem export for WorldEdit and Litematica.

Free Minecraft circle generator. Block-by-block pixel circle charts for any diameter up to 128, ovals included, with block counts in stacks of 64, a copyable row-by-row build list, and PNG download.

Free Minecraft nether portal calculator: convert Overworld coordinates to Nether coordinates and back with the exact ÷8 floor rule the game uses, so portals link perfectly.

Free interactive Minecraft villager trading chart: every trade for all 13 professions and 5 levels, with workstations, enchanted-book prices, the best emerald-farm trade per villager, and a reverse lookup for which villager sells mending. Java Edition 1.21.

Interactive Minecraft potion chart: pick a potion for its full brewing step chain, look up any ingredient in reverse, and read every base, extended (Redstone) and level-II (Glowstone) duration — including the 1.21 Trial Chamber potions. Java 1.21.

Enter your character's name, race, transformation, and base power. The calculator applies multipliers to reveal your power level instantly.

Compare two Dragon Ball Z fighters side-by-side. Enter their names, races, and forms to calculate who would win in a fight based on canonical power multipliers.

Free Saiyan name generator using authentic vegetable puns (Kakarot, Vegeta, Broly style), plus Namekian, Frieza race, and Majin names — and a converter for your own Saiyan name.

Fuse any two names the Dragon Ball way: get Fusion Dance and Potara-style combined names ranked like Gogeta, Vegito, and Gotenks — free and instant.

Free JoJo Stand generator and stand stats maker: awaken a Stand from your name or set all six grades yourself — stat wheel E to A, unique ability and limitation — then download it as a shareable Stand card image.

Free One Piece bounty calculator: build a pirate from combat tier, Devil Fruit, Haki, crew role and feats to estimate their berry bounty on a wanted poster — generated face or your own photo as mugshot — plus a canon bounty chart from Roger to the Straw Hats.

Free One Piece Haki type generator: awaken your Haki from your name — Observation, Armament, or the rare Conqueror's — with a mastery score, advanced-form unlocks, and the canon user you match, on a shareable card. Full Haki types reference chart.

Free Solo Leveling hunter rank generator: find your hunter rank (E to S, National-Level, Monarch) and job class from your name, with a stat block, your own shadow army, and the canon hunter you match — on a shareable card. Full rank and class reference.

Free Demon Slayer breathing style generator: find which of the 14 canon breathing styles is yours from your name — signature form, lineage back to Sun Breathing, Hashira tier, and the canon user you match. Full breathing styles list.

Free Avatar: The Last Airbender bending generator: find what bending you'd have from your name — Water, Earth, Fire, Air, or the rare Avatar — plus a prestige sub-skill like lightning or bloodbending, your nation, and the canon bender you match.

Free Jujutsu Kaisen cursed technique generator: manifest your own cursed technique from your name — sorcerer grade (Grade 4 to the rare Special Grade), extension moves, a binding-vow drawback, and a domain expansion at Grade 1+. Same name, same technique.

Free One Punch Man hero rank generator: get your Hero Association class (C to S), numbered rank, a deadpan OPM hero name, the highest disaster level you could handle, and the canon hero whose seat you take. Full class, S-Class and disaster-level charts.

Free Bleach zanpakuto generator: forge your blade from your name — a Japanese zanpakuto name with its English meaning, a shikai release command, a rare bankai, and your Gotei 13 division and seat. Includes canon zanpakuto and Gotei 13 reference tables.

Free Naruto chakra nature generator: find your chakra nature from your name — Fire, Wind, Lightning, Earth, or Water — plus a rare kekkei genkai like Ice or Wood Release, your signature jutsu, village, and ninja rank. Full nature transformation chart.

Free Blue Lock player generator: find your striker from your name — your signature "weapon", position, canon team and Blue Lock rank, plus the canon character your game resembles and a rare Flow awakening. Same name, same striker. Weapons and teams charts.

Free Hunter x Hunter Nen type generator: take the water divination test with your name — or the honest personality quiz — to find your Nen type, from Enhancer to the rare Specialist, with your hatsu ability, the canon user you match, and the affinity hexagon.

Free Black Clover grimoire generator: find your magic attribute from your name — fire, water, wind, earth, or a rare one like light or dark — your clover rarity up to the 5-leaf black clover, a signature spell, and your Magic Knight squad and captain.

Free text anonymizer: remove names, emails, phone numbers, API keys and other personal data before pasting text into ChatGPT or anywhere else — 100% in your browser, reversible with numbered tags.

Free text case converter: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case and more — instantly in your browser.

Free UUID v4 generator. Create one or up to 500 random UUIDs with uppercase and no-hyphen options, generated locally with cryptographic randomness.

Free Roman numeral converter. Convert numbers to Roman numerals and back, live in both directions — up to 3,999,999 with vinculum (overline) notation — with strict validation.

Free word counter and character counter. Live counts for words, characters, sentences, paragraphs, reading and speaking time — plus a keyword density panel showing your most-used words.

Free secure password generator. Create strong random passwords with custom length and character sets, generated locally with cryptographic randomness.

Free pomodoro timer with rain and brown noise generated live in your browser — no audio files, no loop seams. Classic 25/5 and deep-work presets, chimes, daily counter, ad-free fullscreen.

Free online JSON formatter and validator. Beautify, minify, and validate JSON instantly with exact error locations — private, in your browser.

Free bookbinding signature calculator: turn a page count into signatures, blank filler pages, per-sheet folding order, and a printable imposition cheat sheet — for fanbinding and DIY books.

Free granny square color pattern generator. Shuffle round-by-round color combinations from curated yarn palettes, preview a whole blanket, download the chart.

Free calculator for how many granny squares you need for any blanket size — baby to king — by your square size, with the grid layout, finished dimensions, a worsted yarn estimate, and a yarn budget from your skein price.

Free crochet yarn calculator: how many yards and skeins you need for any blanket or scarf, by project size, stitch (single crochet to granny), and yarn weight (sock to super bulky).

Free yarn substitution calculator: verify any substitute yarn — by weight class, gauge, or wraps per inch — with a traffic-light verdict, hook and needle sizes, and the exact yards and skeins to buy.

Free sibling name matcher: enter your kids’ names and get style-matched suggestions — shared origin, matching era, compatible sound — with the reasoning shown for every match. Runs in your browser.

Free chore chart generator with automatic weekly rotation: enter the kids and the chores, print a themed chart for the fridge plus the schedule that proves whose turn it is. No accounts, nothing leaves your browser.

Free baby name elimination game for couples: keep-or-cut through a pool of names, then head-to-head rounds until one name wins — then send your partner a challenge link with the same list and compare champions. Runs privately in your browser.

Free pass the parcel music that stops at random: a built-in party tune, your own song (played locally, never uploaded), or a silent buzzer. Runs hot potato and musical statues too — no app, ad-free while playing.

Free minute to win it timer: a game-show-sized 60-second countdown with warning ticks, a proper buzzer, and per-player win tracking. Round lengths from 30s blitz to 120s team challenges. No app needed.

Free secret santa generator with no emails and no accounts: draw names with couple exclusions, then share private per-person reveal links over WhatsApp or any chat — names never touch a server.

Free homeschool schedule generator: enter the kids and subjects, pick a classic timetable or a loop schedule, and print a color-coded weekly plan plus per-kid daily strips. No sign-up, nothing leaves your browser.

Free guess the baby name game generator: print personalized baby shower sheets — name unscramble, guess-from-hints, initials trivia, or a ballot — each with a hidden answer key. No sign-up, nothing uploaded.

Free tabata timer with the classic 20/10 × 8 protocol, EMOM and AMRAP presets with a tap round-counter, custom work/rest intervals, phase beeps, and an ad-free fullscreen mode for gyms and classes.

Free warmup sets calculator with plate loading: enter your work weight and get every warmup set with the exact plates per side — lb or kg, your bar, and only the plates your gym stocks.

Free equal playing time calculator for youth sports: enter players present, players on the field, and game length — get a substitution rotation where everyone plays exactly the same minutes.

Generate a random bodyweight workout by difficulty, focus area, and duration. No equipment required.

Free team snack schedule generator: paste your family list, add the game dates, and get a fair snack rotation — every family takes a turn before anyone repeats — with a printable sheet and a copy-paste list for the team group chat.

Free mind reading prank website: the oracle answers any question your friends ask — because you secretly typed the answer while they watched you type the magic words. The classic Peter Answers trick, modernized.

Free jumpscare link to send to friends: pick an innocent-looking page — stare at the dot, an optical illusion, a riddle — set how loud the scare is, and it jumps out seconds later. Ends with a friendly reveal. No flashing lights, volume-capped.

Free rigged coin flip: a coin that always lands on heads — or tails — because where you tap the flip button secretly decides the result. Looks completely fair to everyone watching. Win every toss, then reveal the gag.

The classic crystal ball mind reading trick online: think of a two-digit number, do the digit math, find your symbol in the chart — the ball reveals it every time. The old Flash Mind Reader, rebuilt for modern browsers.

Free rigged love calculator prank: secretly arm the result before your friend types the names — ~8% disaster to ~96% soulmates, you decide. Honest name-hash otherwise, and names never leave the browser.

The button you can’t click: it dodges your cursor, taunts you after every escape, and finally surrenders into a friendly reveal. Play it yourself or send the disguised “claim your prize” prank link to a friend.

Free rigged dice roller — loaded dice online: where you tap the roll button secretly decides the result, so the die always rolls 6 (or 1) while everyone sees a fair tumble. Keyboard presets pick exact faces.

Free fake lie detector prank that runs in the browser — no app to install. Friends press a thumb on the scanner and get TRUTH or LIE — verdicts you secretly queued up before handing over the phone.

Free rigged rock paper scissors: your friend plays the computer, but you secretly decide who wins every round — it counters their every throw, always loses, or plays fair. Identical on screen either way. Best of 3/5 scoring and a practice mode.

Free ghost detector prank that runs in the browser — no app to install, no camera. A radar sweep and EMF needle idle innocently until you secretly arm a detection: readings spike, a blip crosses the radar, and a spooky sting plays. You control the ghost.