163 Free Online Tools

Calculators, converters, image and PDF tools and more. No sign-up, no install, on desktop and mobile.

🔥 Popular tools

🔤Word CounterFree word and character counter: words, characters with and without spaces, lines, paragraphs and reading time, updated as you type.★Special CharactersCopy and paste over 1,000 special characters and text symbols: hearts, stars, arrows, check marks, math, currency, Greek letters, box drawing and kaomoji. Tap to copy.🔤Number to Words ConverterConvert numbers to words in English: US and UK style, dollar amounts and cheque format (“One thousand five hundred and 25/100 dollars”). Free, instant, copy with one click.📆Days Until CalculatorCount the days until any date or the days since it, with weeks and months, a countdown list and milestones like 100 days, 1,000 days and anniversaries.🎂Age CalculatorCalculate your exact age in years, months and days from your date of birth, plus days until your next birthday, days and weeks lived, Chinese zodiac and star sign.🗓️Date CalculatorAdd or subtract days, weeks, months or years from a date, and count the days between two dates in weeks, months, weekdays and weekends.⏲️Online TimerFree online countdown timer: set minutes and seconds, get an alarm sound when time is up, and show it full screen. Keeps accurate time in background tabs.⏱️Online StopwatchFree online stopwatch accurate to 1/100 second. Record lap and split times, see your fastest and slowest lap, and go full screen.％Percentage CalculatorFree percentage calculator: find X% of a number, what percent one number is of another, percentage increase or decrease, and add or subtract a percentage.🏦Loan CalculatorFree loan and mortgage calculator: monthly payment and total interest for equal-payment (amortizing), equal-principal and interest-only loans, with a full amortization schedule.📉Stock Average CalculatorFree stock average calculator: find your new average cost per share after buying more, see profit and loss at the current price, and how many shares you need to reach a target average.🧾VAT CalculatorAdd VAT to a net price or remove VAT from a gross price at any rate (20%, 15%, 10%, 5%…). Net, tax and gross at once, plus a line-item calculator for quotes and invoices.

📝 Text View all

🔤Word CounterFree word and character counter: words, characters with and without spaces, lines, paragraphs and reading time, updated as you type.AaCase ConverterConvert text to uppercase, lowercase, sentence case, title case, camelCase, snake_case, kebab-case and more at once. Click any result to copy it.↩️Remove Line BreaksRemove unwanted line breaks and extra spaces from text copied from PDFs, emails or websites, while keeping paragraphs. Free and instant.🧹Remove Duplicate LinesRemove duplicate lines from any list in one click and see how many lines were removed and which entries were repeated. Order is preserved.🔍Text CompareCompare two texts and highlight what was added, deleted or changed, by line, word or character. Free online diff checker that runs in your browser.🔃Sort LinesSort lines of text alphabetically (A–Z or Z–A), by number or by length, reverse the order or shuffle a list. Natural sort, remove duplicates and empty lines.★Special CharactersCopy and paste over 1,000 special characters and text symbols: hearts, stars, arrows, check marks, math, currency, Greek letters, box drawing and kaomoji. Tap to copy.😀Emoji Copy and PasteSearch 1,800+ emojis by keyword and tap to copy: smileys, hearts, animals, food, flags and more. Skin tones and recently used emojis included.🔤Number to Words ConverterConvert numbers to words in English: US and UK style, dollar amounts and cheque format (“One thousand five hundred and 25/100 dollars”). Free, instant, copy with one click.

📅 Date & Time View all

📆Days Until CalculatorCount the days until any date or the days since it, with weeks and months, a countdown list and milestones like 100 days, 1,000 days and anniversaries.🎂Age CalculatorCalculate your exact age in years, months and days from your date of birth, plus days until your next birthday, days and weeks lived, Chinese zodiac and star sign.🗓️Date CalculatorAdd or subtract days, weeks, months or years from a date, and count the days between two dates in weeks, months, weekdays and weekends.⏱️Time CalculatorAdd or subtract hours, minutes and seconds, total a list of durations, and work out hours worked from clock-in and clock-out times with breaks, overtime and night hours.🌍World ClockSee the current local time in New York, London, Tokyo and 80 other cities next to your own time, with daylight saving time handled automatically and a time zone converter for meetings.🐉Chinese Zodiac CalculatorEnter your date of birth to find your Chinese zodiac animal and element (based on the exact Lunar New Year date) and your Western star sign.📅Day of the Week CalculatorFind the day of the week for any date from 1000 to 9999, plus the ISO and US week number, day of the year, quarter and a month calendar.⏲️Online TimerFree online countdown timer: set minutes and seconds, get an alarm sound when time is up, and show it full screen. Keeps accurate time in background tabs.⏱️Online StopwatchFree online stopwatch accurate to 1/100 second. Record lap and split times, see your fastest and slowest lap, and go full screen.🍅Pomodoro TimerFree online Pomodoro timer: 25 minutes of focus, 5-minute breaks and a long break every 4 sessions, switched automatically. Tracks today’s focus time.⏰Online Alarm ClockFree online alarm clock: set an alarm for any time and your browser plays a sound. Multiple alarms, daily repeat and 5-minute snooze, saved on your device.🏋️Interval TimerFree online interval timer for HIIT, Tabata and circuit training. Set work, rest, sets and rounds; colors and beeps tell you when to switch.🕰️Time Zone ConverterCompare several cities hour by hour on one grid, see working hours and night at a glance and find the best meeting time across time zones. DST handled automatically, shareable link.🗓️Hours CalculatorFree weekly time card calculator: enter clock-in, clock-out and breaks for each day to get daily and weekly hours in h:mm and decimal, overtime and gross pay.📆Week Number CalculatorSee today's week number instantly, find the week of any date, get the dates of any week, and view a full 2026 week number calendar – US (Sunday start) or ISO 8601.

💰 Finance View all

％Percentage CalculatorFree percentage calculator: find X% of a number, what percent one number is of another, percentage increase or decrease, and add or subtract a percentage.🏦Loan CalculatorFree loan and mortgage calculator: monthly payment and total interest for equal-payment (amortizing), equal-principal and interest-only loans, with a full amortization schedule.📉Stock Average CalculatorFree stock average calculator: find your new average cost per share after buying more, see profit and loss at the current price, and how many shares you need to reach a target average.🌱Compound Interest CalculatorFree compound interest calculator with monthly contributions: see how your savings or investments grow year by year, with a chart, a yearly table and the Rule of 72.🧾VAT CalculatorAdd VAT to a net price or remove VAT from a gross price at any rate (20%, 15%, 10%, 5%…). Net, tax and gross at once, plus a line-item calculator for quotes and invoices.🏷️Discount CalculatorWork out the sale price after a percentage off, the discount percentage from two prices, stacked discounts like 20% + extra 10%, and the real price per item in BOGO deals.💱Currency ConverterFree currency converter with daily mid-market exchange rates. Convert US dollars to euros, pounds, yen, pesos and 20+ other currencies instantly.🍻Bill SplitterSplit a bill evenly, round each share up, adjust for people who pay less or more, and settle group expenses with the fewest payments.💁Tip CalculatorFree tip calculator: enter the bill, choose 15%, 18%, 20% or a custom tip and split it between any number of people. Handles sales tax and rounding up.⏳Hourly to Salary ConverterFree hourly to salary calculator: convert an hourly wage to daily, weekly, monthly and annual pay (and back) using your hours per day, days per week and weeks per year.🎯Savings Goal CalculatorFree savings goal calculator: find the monthly deposit needed to reach a target by a date, or how long it takes to reach your goal with a fixed monthly saving, with interest.🏖️Retirement CalculatorFree retirement calculator: find your retirement nest egg and how much to save each month, with inflation, investment returns before and after retirement, Social Security and the 4% rule.🔁APR to APY CalculatorFree APR to APY calculator: convert a nominal annual rate to the effective annual rate (APY/EAR) for any compounding frequency, convert APY back to APR, and annual to monthly rates.⛓️Debt Payoff CalculatorFree debt payoff calculator for multiple debts: enter balances, APRs and minimum payments plus your monthly budget to compare the debt snowball and avalanche methods, payoff date and total interest.🎈Inflation CalculatorFree inflation calculator: see what today’s money will be worth in the future, how much you will need to keep the same purchasing power, and the present value of a future amount, year by year.📈CAGR CalculatorFree CAGR calculator: find the compound annual growth rate and total ROI of an investment from its beginning value, ending value and number of years or dates – plus a year-by-year table and future value at a target CAGR.🧮Margin CalculatorFree profit margin calculator: get gross margin, markup and profit from cost and price, or the selling price for a target margin or markup. Optional sales tax on top.⚖️Break-Even CalculatorFree break-even calculator: enter fixed costs, variable cost per unit and price to get the break-even point in units and revenue, contribution margin, and the units needed for a target profit.🚗Car Loan CalculatorFree auto loan calculator: monthly car payment, total interest and total cost from vehicle price, down payment, trade-in, sales tax, APR and term – compare 36, 48, 60 and 72 months.🏡Home Affordability CalculatorFree home affordability calculator: find the maximum home price and mortgage you can afford from your income, monthly debts, down payment, rate, property tax and insurance using the 28/36 rule.🏠Mortgage CalculatorFree mortgage calculator: monthly PITI payment with property tax, homeowners insurance, PMI and HOA, total interest and a yearly amortization schedule for 15- and 30-year fixed loans.💵 US Paycheck Calculator 2026Free 2026 paycheck calculator: enter your salary or hourly wage to see take-home pay per paycheck after federal income tax, Social Security, Medicare and state income tax, with 401(k), HSA and pre-tax health premiums.💷 UK Take-Home Pay Calculator 2026/27Work out your take-home pay for the 2026/27 tax year: income tax (England, Wales, NI or Scotland), National Insurance, workplace pension (relief at source, net pay or salary sacrifice) and student loan Plans 1, 2, 4, 5 and Postgraduate. Yearly, monthly and weekly figures.🦘 Australia Pay Calculator 2026–27Work out your Australian take-home pay for 2026–27 with the new 15% tax rate: income tax, low income tax offset, Medicare levy, HELP/study loan repayments and 12% super. Yearly, monthly, fortnightly and weekly pay from an annual salary or hourly rate.🍁 Canada Take-Home Pay Calculator 2026Calculate your 2026 take-home pay in any Canadian province or territory (except Quebec): federal and provincial income tax, CPP, CPP2 and EI, with net pay per year, month and two weeks plus your average and marginal tax rate.🏡 UK Stamp Duty Calculator (SDLT) 2026Work out Stamp Duty Land Tax on a home in England or Northern Ireland at the rates in force since 1 April 2025: first-time buyer relief, moving home, the 5% surcharge on additional properties and the 2% non-UK resident surcharge, with a band-by-band breakdown.🥝 NZ Pay Calculator 2026–27Work out your New Zealand take-home pay for the 2026–27 tax year: PAYE income tax, ACC earners' levy (1.75%), KiwiSaver at the new 3.5% default rate, student loan repayments and the independent earner tax credit. Yearly, monthly, fortnightly and weekly pay.🧾 Hong Kong Salaries Tax Calculator 2025/26Work out your Hong Kong salaries tax for 2025/26 with the IRD progressive and two-tier standard rates, the 100% tax reduction capped at $3,000, MPF deduction up to $18,000, child and dependent parent allowances – plus your 2026/27 provisional tax and total tax bill.🧾Invoice GeneratorCreate a professional invoice or estimate online: add your logo, line items, tax and discounts, then download a PDF or print. Free, no sign-up, nothing uploaded.🏦Financial Calculator (TVM)Free online financial calculator that works like a BA II Plus or HP 12C: enter four of N, I/Y, PV, PMT and FV and solve for the fifth, with END/BEGIN mode and an amortization summary.📊NPV & IRR CalculatorFree NPV and IRR calculator: enter an initial investment and yearly cash flows to get net present value, internal rate of return, MIRR, profitability index and (discounted) payback period, with a year-by-year table.🔌Electricity Cost CalculatorFree electricity cost calculator: enter each appliance's wattage and hours of use to see kWh and the cost per day, month and year at your own rate per kWh.

🔢 Math View all

🧮CalculatorFree online calculator for addition, subtraction, multiplication, division and percentages. Correct order of operations, keyboard support and a saved calculation history.📊Scientific CalculatorFree online scientific calculator with sin, cos, tan, inverse trig, log, ln, square roots, powers, factorials, π and e. Degrees or radians, live preview and history.½Fraction CalculatorFree fraction calculator for fractions and mixed numbers. Get the answer in simplest form, as a mixed number and as a decimal, with step-by-step working.📏Average CalculatorPaste a list of numbers to get the mean, median, mode, min, max, range, variance and standard deviation (population and sample). Weighted average included.🔗GCD and LCM CalculatorFind the greatest common divisor (GCF/HCF) and least common multiple of two or more numbers, with prime factorization steps and the list of common factors.🧩Prime Factorization CalculatorFind the prime factorization of any number up to 2⁵³−1, with exponents, the list of all factors, the number and sum of divisors, and a prime check.💾Number Base ConverterConvert between binary, octal, decimal and hexadecimal instantly, or any base from 2 to 36. Handles huge numbers exactly and shows two’s complement for negatives.ⅫRoman Numeral ConverterConvert numbers to Roman numerals (I, IV, IX, MMXXVI…) and Roman numerals to numbers, with a place-by-place breakdown and error hints.⚖️Ratio CalculatorSolve a : b = c : x proportions, split an amount in a ratio such as 2:3:5, and simplify ratios with decimals or fractions to whole numbers. Free, with working shown.🎯Rounding CalculatorRound numbers to any decimal place or to the nearest 10, 100 or 1,000. Round half up, round up or round down (truncate) with exact decimal math.📝Final Grade CalculatorFind the score you need on your final exam to get the grade you want. Enter your current grade, the final's weight and your target grade, plus a letter-grade table.🎰Permutation & Combination CalculatorCalculate permutations (nPr), combinations (nCr), permutations and combinations with repetition, and factorials with step-by-step working. Exact results for very large numbers.📐Area & Volume CalculatorFree geometry calculator for area, perimeter, volume and surface area of 18 shapes: triangle (Heron’s formula), right triangle (Pythagorean theorem), circle, trapezoid, cylinder, cone, sphere and more — with step-by-step formulas.💯Test Score CalculatorEnter the number of questions and how many you got right (or points earned) to get your percentage, letter grade and score, plus a full grading chart for every number correct.

📏 Unit Converters View all

❤️ Health View all

⚖️BMI CalculatorFree BMI calculator for adults: enter your height and weight in feet/inches and pounds or cm and kg to get your body mass index, WHO weight category and healthy weight range.🔥BMR CalculatorCalculate your basal metabolic rate (Mifflin-St Jeor), your total daily energy expenditure and calories to lose or gain weight, with a macro split. Pounds and feet or kg and cm.💪Body Fat CalculatorEstimate your body fat percentage from neck, waist and hip measurements (U.S. Navy formula), plus fat mass and lean body mass. Inches and pounds or cm and kg.🤰Due Date CalculatorCalculate your baby’s due date from the first day of your last period, see how many weeks pregnant you are, your trimester and key prenatal milestones.🌸Ovulation CalculatorFind your most fertile days: estimated ovulation date, fertile window and next period, shown on a 3-month calendar based on your cycle length.😴Sleep CalculatorFind the best time to go to bed or wake up based on 90-minute sleep cycles, so you wake up between cycles and feel refreshed.💧Water Intake CalculatorFind out how much water to drink per day based on your weight, exercise and heat, in ounces, glasses and bottles – plus a simple daily water tracker.🏃Calories Burned CalculatorEstimate calories burned by walking, running, cycling, swimming, jump rope and 35+ activities from your weight and time, using MET values – with food equivalents.🏃Running Pace CalculatorFree running pace calculator: enter distance and time to get your pace per mile or km and speed, see mile splits, race time predictions and finish times for a 5K, 10K, half marathon and marathon.🏋️One Rep Max CalculatorEstimate your one rep max from any weight and reps with the Epley, Brzycki and Lombardi formulas, plus a percentage chart for 1–12 reps rounded to 5 lb plates. Pounds or kilograms.🍽️TDEE & Macro CalculatorCalculate your TDEE (total daily energy expenditure), calories to cut or bulk with weekly weight change, and protein, carbs and fat in grams per day and per meal. Pounds or kg.

🎲 Random & Fun View all

🪜Ladder Game (Amidakuji)Free online ladder game (Amidakuji): enter names and prizes, tap a name and watch the animated path. 2–12 players, fair random draws for coffee runs, chores and turns.🎡Wheel SpinnerFree spin-the-wheel picker: type your options, set weights and colors, and spin to choose one at random. Share your wheel with a link. Great for giveaways, classrooms and dinner.🎟️Draw LotsDraw lots online: set the number of lots and winners, then flip cards one by one to see who wins. Custom prizes and roles, up to 100 lots, fair and random.👥Random Team GeneratorPaste a list of names and split them into random, balanced teams by number of teams or people per team. Optional team captains and fun team names. Free and private.🪑Seating Chart MakerMake a random seating chart for your classroom or office: set rows and columns, paste names, lock seats, mark empty desks and print the chart. Free, nothing uploaded.🎲Dice RollerRoll 1 to 6 virtual dice online with totals and history. Supports D4, D6, D8, D10, D12 and D20 for board games and tabletop RPGs. Fair crypto randomness.🪙Coin FlipFlip a coin online: heads or tails with a 3D coin toss, plus counts, percentages and streaks. Flip 10 or 100 at once and rename the sides to decide anything.🔢Random Number GeneratorGenerate random numbers between any min and max: one or many, with or without repeats, sorted, or drawn one by one without replacement. Uses crypto randomness.⚡Reaction Time TestTest your reaction time online: tap the moment the screen turns green. Get your 5-round average in milliseconds, a grade and a rough percentile. Works on phone and PC.🖱️CPS TestFree CPS test: click as fast as you can for 1, 5, 10 or 30 seconds and see your clicks per second, a rank and your best score per mode. Works with mouse and touch.⌨️Typing Speed TestFree typing test: type short sentences and see your words per minute (WPM) and accuracy live. No sign-up, works on desktop and mobile.🐶Dog & Cat Age CalculatorConvert dog years (small, medium, large, giant breeds) and cat years to human years with vet-recognized charts, plus life stage and care tips. Includes the epigenetic dog-age formula.

🖼️ Image View all

🗜️Image CompressorCompress JPG, PNG, WebP and HEIC images in your browser without uploading them. Batch compress photos, compare before and after, download as ZIP.📸HEIC to JPG ConverterConvert HEIC and HEIF photos from your iPhone to JPG or PNG right in your browser. Batch convert and download as ZIP. No upload, free.🔄Image ConverterConvert PNG, JPG, WebP, GIF, BMP and HEIC images to JPG, PNG or WebP in your browser. Batch convert and pick a background color for transparency.↔️Image ResizerResize images by pixels or percentage, or to Instagram and YouTube sizes. Batch resize photos in your browser without uploading them.✂️Image CropperCrop images to a square, 4:3, 16:9 or a free area, rotate and flip, and save as JPG, PNG or WebP. Works in your browser, no upload.🔲Blur & Pixelate ImagePixelate, blur or black out faces, license plates, addresses and personal details in a photo. Drag a box or use a brush. Nothing is uploaded.🧷Merge ImagesCombine several photos into one image, stacked vertically or side by side. Set order, spacing and background color. Works in your browser.🎞️GIF MakerTurn photos into an animated GIF. Set the frame delay, size and loop, preview it live and download. Free, no upload, no watermark.⭐Favicon GeneratorMake a favicon from an image, letters or an emoji. Get favicon.ico, 16–512px PNGs, Apple touch icon, web manifest and HTML code in one ZIP.🎨Image Color PickerClick anywhere on an image to get its HEX, RGB and HSL color code, and extract a palette of the main colors automatically. Free, no upload.🔡Image to Text (OCR)Extract text from images, photos, scans and screenshots for free. OCR in English, Spanish, German, French, Japanese, Chinese and more – runs in your browser, so your images are never uploaded.

📄 PDF View all

📑Merge PDFCombine multiple PDF files into one PDF in the order you want. Free, no sign-up, no watermark — files never leave your device.✂️Split PDFExtract pages from a PDF or split it into several files by page range or one page per file. Free, with page previews — files never leave your device.🖼️JPG to PDF ConverterConvert JPG and PNG images into a single PDF in your browser. Reorder pages, choose Letter, A4 or fit-to-image, and set margins. No upload, no sign-up.🗂️PDF to JPG ConverterConvert every page of a PDF to a JPG or PNG image in your browser. Choose the DPI, save single pages or download all as a ZIP. No upload.🗜️Compress PDFMake PDF files smaller for email and upload limits. Choose strong, medium or light compression, keep text selectable if you like, and compare sizes. Files never leave your device.✍️Signature GeneratorCreate a handwritten signature online: draw it with your finger or mouse, or type your name in a cursive font. Download a transparent PNG or SVG for free.🔀Organize PDFDrag and drop to reorder PDF pages, rotate, delete or duplicate them, insert blank pages or pages from another PDF, then save. Free — files never leave your device.💧Watermark PDF & Page NumbersAdd a text or image watermark to a PDF and number its pages in the position and format you want. Live preview, free, and your file never leaves your device.🔒Protect & Unlock PDFAdd an open password to a PDF with AES-256 encryption, or remove the password from a PDF you can open. Runs entirely in your browser — files and passwords are never uploaded.

🔧 Utilities View all

🔳QR Code GeneratorCreate free QR codes that never expire for links, Wi-Fi, contacts (vCard), email and SMS. Add colors and a logo, then download PNG or SVG. No sign-up.📶Wi-Fi QR Code GeneratorCreate a free Wi-Fi QR code: guests scan it with their phone camera and join your network without typing the password. Download PNG or SVG. No sign-up.👤vCard QR Code GeneratorCreate a free vCard QR code for your business card. One scan saves your name, company, phone, email and website to contacts. PNG or SVG, never expires.🔗URL QR Code GeneratorTurn any link (website, Google Form, Notion page, PDF) into a free QR code that never expires. No redirects, no sign-up. Add a logo, download PNG or SVG.📸Instagram QR Code GeneratorMake a QR code for your Instagram profile, post or reel. Add your brand colors and logo, download PNG or SVG for print. Free, no sign-up, never expires.▶️YouTube QR Code GeneratorTurn your YouTube channel, video or subscribe link into a free QR code. Add your logo and colors, start at a timestamp, download PNG or SVG. Never expires.🍽️QR Code Menu GeneratorTurn your menu PDF, Google Business Profile or website menu into a QR code for restaurant and café tables. Free, never expires, print-ready PNG or SVG.✉️Email QR Code GeneratorCreate a free email QR code: scanning it opens a new email with the recipient, subject and message already filled in. Download PNG or SVG. No sign-up.📞Phone Number QR Code GeneratorCreate a free QR code that opens the dialer with your number, or a text with number and message pre-filled. For flyers and shop signs. Never expires.🟢WhatsApp QR Code GeneratorCreate a free WhatsApp QR code that opens a chat with your number, with an optional pre-filled message. Add your logo and colors, download PNG or SVG.▥Barcode GeneratorFree online barcode generator for UPC-A, EAN-13, EAN-8, Code 128, Code 39 and ITF-14. Check digits calculated automatically. Download PNG or SVG.🔐Password GeneratorFree strong password generator: choose length, uppercase, lowercase, numbers and symbols, or create memorable passphrases. Shows strength and entropy. Runs in your browser.💡LED BannerTurn your phone into a scrolling LED sign for concerts, airport pickups and birthdays. Pick colors, speed and direction, then go full screen. No app needed.📝Online NotepadA free online notepad that autosaves in your browser. Keep several notes, see word and character counts, and download any note as a .txt file. No sign-up.✅Online ChecklistMake a checklist or to-do list online, tick items off and track progress. Free packing list templates for trips, travel abroad, moving and camping. Saved automatically, printable.🖥️Dead Pixel TestFree full-screen dead pixel test: cycle through black, white, red, green, blue and gray to find dead, stuck and hot pixels, backlight bleed and OLED burn-in.🎙️Mic TestTest your microphone in the browser: see a live volume meter and waveform, pick the right mic and record 5 seconds to hear how you sound. Nothing is uploaded.📷Webcam TestFree online webcam test: see if your camera works, measure its real resolution and frame rate, switch cameras and take a snapshot. Nothing is uploaded.⌨️Keyboard TesterTest every key on your keyboard online. Pressed keys light up on a full-size layout so you can find dead or chattering keys and check key rollover.🌐What Is My IPSee your public IP address instantly, IPv4 or IPv6, plus your browser, operating system, time zone and screen details. One click to copy.📐What Is My Screen ResolutionCheck your screen resolution, browser window (viewport) size, device pixel ratio and real physical pixels instantly. Updates live as you resize.📷QR Code ScannerFree online QR code reader: upload a photo or screenshot, paste with Ctrl+V or scan with your webcam. Reads several codes at once, shows Wi-Fi passwords and checks links before you open them. Nothing is uploaded.🏷️Barcode ScannerFree online barcode reader for EAN-13, UPC-A, UPC-E, Code 128, Code 39, ITF and more. Upload a photo or use your webcam, see the GS1 country prefix and verify the check digit. Nothing is uploaded.🎥Online Screen RecorderFree online screen recorder: capture your entire screen, a window or a browser tab with system audio and microphone. No install, no watermark, no time limit. Save as MP4 or WebM.🗣️Text to SpeechFree online text to speech: paste text and have it read aloud with your device’s voices. Adjust speed, pitch and volume, and follow along as each sentence and word is highlighted.🎙️Online Voice RecorderFree online voice recorder: record from your microphone with pause and resume, listen back instantly and download as WebM, M4A or WAV. Nothing is uploaded.🎸Guitar TunerFree online tuner that listens through your microphone: shows the note, frequency and cents with a needle. Standard, Drop D, half-step down, bass, ukulele and violin. No app needed.🥁MetronomeFree online metronome with rock-solid timing: set 20–300 BPM, pick 4/4, 3/4, 6/8 and more, accent the downbeat, add eighths, triplets or sixteenths, and find a song’s tempo with tap tempo.

💻 Developer View all

{ }JSON FormatterFree online JSON formatter and validator: beautify or minify JSON, sort keys, browse it as a tree and see the exact line and column of syntax errors.🔣Base64 Encoder / DecoderFree Base64 encoder and decoder: convert text (UTF-8) and files to Base64 and back, with URL-safe mode, Data URLs and image preview. Runs in your browser.🔗URL Encoder / DecoderFree URL encoder and decoder: percent-encode text and URLs (encodeURIComponent or encodeURI), decode %XX strings and split a URL into host, path and query parameters.🆔UUID GeneratorFree online UUID generator: create up to 100 random UUID v4 or time-ordered UUID v7 at once, as uppercase, without hyphens or as GUID with braces. Validate and decode any UUID.#️⃣Hash GeneratorCalculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files up to 1 GB, with HMAC and checksum comparison. Runs in your browser – files are never uploaded..*Regex TesterFree online regex tester: live match highlighting, capture and named groups, replace preview and ready-made patterns for email, phone, URL and ZIP codes.🕐Unix Timestamp ConverterConvert Unix timestamps (seconds, milliseconds, microseconds) to a readable date in your time zone and UTC, and dates back to epoch time. Live current timestamp included.🎨Color ConverterConvert colors between HEX, RGB, HSL, HSV and CMYK, pick a color, add transparency and check WCAG contrast ratios with tints and shades.🌈CSS Gradient GeneratorCreate linear, radial and conic CSS gradients visually: drag color stops, set the angle, start from presets and copy the CSS code.🗓️Cron Expression ParserPaste a cron expression to see what it means in plain English and the next 10 run times in your time zone. Includes a field-by-field cron builder.