Thinkabara🧰 Free Tools
66 free tools that work right in your browser, with no sign-up. Files and photos never leave your device.
📝 Documents, spreadsheets, resumes & study tools
Online document editorWord-like editor with templates; download .docx or PDFOnline spreadsheetFormulas, sorting and charts; download .xlsx or CSVResume builderUS resume templates, one-page check, PDFAPA & MLA citation generatorBooks, articles, websites and a works-cited listSummary & outline builderMain idea → key points → summary draftExam study plannerExam dates in, a day-by-day study plan outMorning routine timerOne task at a time on screen, plus a printable weekly routine chart.Allowance & savingsSavings-goal calculator in dollars, spend–save–give jars and a printable tracker.Online RSVPOne link, guests reply in a tap: kids, adults, allergies and who hasn’t answered.Invitation maker12 original birthday, wedding and bar/bat mitzvah designs with your own photo.Sign-up sheetsBring lists, potlucks, volunteer shifts, conference slots and meal trains — one link, no accounts.Secret Santa generatorA private link for everyone, exclusions, wish lists and printable slips.Thank-you wallEvery child writes the teacher a note; print a gift booklet.Find a time pollOffer some dates and everyone marks what works.Shared shopping listOne live grocery list for the whole family, sorted by aisle.Photo album designerDesign a print-ready photo book; photos never leave your device.Photo collage makerHeart, number and name collages, or a photo inside text.Room parent & PTA toolkitBudget planner, fundraising ideas and every class-event tool in one place.Class elections kitPrintable ballots, a ballot box sign, tally sheet and a civics mini-lesson.Party food calculatorHow many pizzas, drinks and cakes for your party, with a cost estimate.Class T-shirt designerGraduation, field day and team shirts with every name on the back.
🎓 Learning tools
🎲 Games, dice and random pickers
Roll the dice onlineRoll one to six virtual dice for board games, math games and the classroom.D&D dice rollerRoll every Dungeons & Dragons die online: d4 to d20 and the percentile d100, several dice at once, with your modifier added to the total.Polyhedral dice: d4 to d20Roll a d4, d6, d8, d10, d12 or d20 online, one to three at a time.Backgammon dice rollerTwo fair dice for backgammon, with a reminder to move four times whenever you roll doubles.Monopoly dice rollerLost the Monopoly dice? Roll two dice online, see the total and let the page count your doubles, so you know when it is time to go to jail.Story diceRoll three to five picture dice and make up a story that uses every picture.Emotions diceRoll a feeling, from happy to frustrated, and talk about it.Random number generatorPick a random number in any range, or draw many at once with no repeats.Flip a coin onlineFlip a virtual coin to settle any choice: heads or tails, with a fair 50/50 chance and a running count of every flip.Spin the wheel: random name pickerType names, prizes or tasks, spin the colorful wheel and let it choose.Random team generatorPaste a list of names and split it into fair random teams or groups in one click, by number of teams or people per team.Spin the bottleA virtual bottle for party games and classroom turns.True or false? A fun fact game for kidsSurprising statements about animals, space, the body, food and the world.Riddles for kids, with answersClassic riddles and brain teasers with hidden answers.Jokes for kidsPress the button for a random clean joke for kids.What should I draw? Drawing ideasGet a random drawing idea at three levels, from easy pictures for little kids to creative challenges, with optional twists like using only three colors.Secret code maker for kidsEncode and decode secret messages with the Caesar cipher, Atbash, number codes, Morse code and backwards writing, then print the message with its key.Name, Place, Animal, ThingPlay the classic word game: draw a random letter, start the timer and write a word for every category.
⏱️ Timers and scoreboards
Online countdown timerA big, clear countdown timer for the classroom, games and cooking.Online stopwatch with lapsStart, pause and record laps to the hundredth of a second, see the fastest and slowest laps, copy the times and show it full screen for races.Online scoreboardKeep score for up to eight teams in quizzes, classroom games and family game night.
🖨️ Make your own printables
Word search makerType your own words or pick a theme and print a word search on US Letter paper, with an answer key.Bingo card generatorMake printable bingo cards with numbers, pictures, sight words or your own list.Crossword puzzle makerType words with clues and get a printable crossword with numbered clues across and down, plus an answer key.Spelling worksheet makerType this week's words and print worksheets: tracing, copying, missing letters, unscrambling and matching words to pictures.Scavenger hunt makerBuild a printable scavenger hunt for home, the garden, a party or the classroom.
🧮 Calculators
Scientific calculator onlineA free scientific calculator with exact fractions and roots, step-by-step explanations, equation solving, graphs and statistics.% Percentage calculatorWork out a percentage of a number, what percent one number is of another, the percentage increase or decrease, and prices before and after a discount.Fraction calculator with stepsAdd, subtract, multiply and divide fractions and mixed numbers.Quadratic equation solverSolve ax² + bx + c = 0 with the quadratic formula: the discriminant, real or complex roots and the vertex of the parabola, shown step by step.Grade average calculatorAverage your grades out of 100, as a simple average or weighted by credits.BMI calculator for adultsWork out your body mass index from weight and height, in pounds, feet and inches or kilograms and centimeters, with the standard adult ranges explained.Tip calculator and bill splitterWork out the tip, the total and each person's share of the bill.Sales tax calculatorAdd sales tax to a price or find the price before tax.Currency converterConvert between US dollars, euros, pounds, Canadian dollars and dozens more currencies at the daily reference rate.
📅 Time, dates and text
Hours calculator: add time and work hoursAdd and subtract hours and minutes, find the time between two clock times even past midnight, and total a timesheet with breaks and an hourly rate.Date calculator: days between datesCount the days, weeks and months between two dates, add or subtract days from a date, and see the day of the week for any date.World clock and time zone converterSee the current time in cities around the world and convert a meeting time between time zones, with daylight saving time taken into account.Age calculator: how old am I?Your exact age in years, months and days, how many days you have been alive, the weekday you were born and how many days are left to your birthday.Word counter and character countCount words, characters with and without spaces, sentences, paragraphs and reading time, in English, Spanish and most other languages.
🔤 Hebrew tools (in Judaism for Kids)
Hebrew keyboard online, with niqqudType Hebrew with your mouse or your normal keyboard, even with no Hebrew installed.Add niqqud (Hebrew vowels) automaticallyPaste Hebrew text and get it back with vowel points (niqqud).Fix text typed in the wrong keyboard layoutTyped gibberish because the keyboard was switched to Hebrew, or Hebrew that came out in English letters?Gematria calculatorType a Hebrew name, word or phrase and get its gematria value, with the number of every letter from Aleph (1) to Tav (400).Hebrew birthday calculatorFind your Hebrew date of birth, your next Hebrew birthdays and the bar or bat mitzvah date with its Torah portion in Israel and abroad.
📁 PDF, photos and QR codes
Free PDF tools: merge, split, compress, sign and convertMerge PDFs, split a file, shrink it, turn images into a PDF, sign a form and convert to or from Word.Merge PDF files into oneCombine several PDF files and photos into a single PDF.Split a PDFSplit a PDF into single pages or by ranges such as 1-3, 5 and download everything in one ZIP.Compress a PDFMake a heavy PDF smaller with three compression levels and see the new size straight away.Convert images to PDFTurn JPG and PNG images and phone photos into one PDF, on Letter pages or at their own size.Convert PDF to JPG or PNGSave every page of a PDF as a high-quality JPG or PNG image and download them in a ZIP.Sign a PDF onlineSign a PDF with your finger or mouse, add your name, the date or any text, place it on the page and download.Rotate, delete and reorder PDF pagesReorder PDF pages by dragging, rotate upside-down pages, delete the ones you do not need and save a new file.Convert PDF to WordConvert a PDF into an editable Word document with paragraphs, headings and lists, or keep its exact look with each page as an image.Convert Word to PDFTurn a Word document (docx) into a PDF right in your browser, even on a phone, and combine it with other PDF files.Free online photo editorSeven simple photo tools: compress, crop, collage, blur faces, add text, convert HEIC to JPG and remove the background with AI.Compress and resize photosMake photos smaller for email and forms: choose a width, a quality or a target size in KB, and see the size before and after.Crop a photo onlineCrop a photo by dragging, freely or at a fixed ratio such as square, 4:5, story 9:16, 16:9 or Letter, and rotate or flip it.Photo collage makerCombine 2 to 9 photos into one collage with several layouts, spacing and a background color, sized for posts, stories or Letter-size printing.Blur faces in a photoHide children's faces, names or number plates before you share a photo: drag a box and choose blur or pixels.Add text to a photoWrite on a photo with a choice of fonts, sizes and colors, and an outline that keeps the letters readable.Convert HEIC to JPGConvert iPhone HEIC photos to JPG or PNG that open everywhere.Remove the background from a photoAI removes the background from photos of people right in your browser: nothing is uploaded.Free QR code maker for links, text and WhatsAppMake a QR code for a link, text, WhatsApp, Wi-Fi, phone or email.