Free online tools

Simple free online tools — no sign-up, no install.

102 tools

Website Color PickerPick any color from a website or image and get HEX, RGB and HSL codes.
Image ConverterConvert HEIC, PNG, JPG, WebP and SVG images in bulk — right in your browser.
Image CompressorShrink JPG, PNG and WebP file sizes while keeping them looking sharp.
Image ResizerResize photos by pixels or percentage, one at a time or in bulk.
Character CounterCount characters, words, sentences and bytes as you type, with reading time.
QR Code GeneratorMake QR codes for links, Wi-Fi, contacts and more. Free PNG and SVG download.
Image to PDF ScannerTurn photos of receipts and documents into a clean, straightened PDF.
Free Online Invitation MakerMake a pretty invitation link for a birthday, party or get-together in a minute.
Merge PDFCombine several PDF files into one, in the order you choose.
Compress PDFShrink PDF file size for email and uploads while keeping text sharp.
Blur & Pixelate ImageHide faces, names and numbers in photos and screenshots with mosaic, blur or a black box.
Date CalculatorD-day countdown, days between dates, add or subtract days, and age.
Free Watermark MakerAdd a text or logo watermark to many photos at once, or mark ID copies for one use only.
Profit Margin CalculatorSee what you really keep after platform fees, card fees and costs — and what price hits your target margin.
VAT CalculatorAdd or remove VAT in one click: net, tax and gross for any rate.
Store Sign MakerMake “Closed today”, opening hours, Wi-Fi and QR menu signs for your shop — print, PDF or image.
Free Stamp MakerMake round seals and office stamps like PAID or APPROVED as transparent PNGs, and stamp your documents.
Currency ConverterConvert between 160+ currencies with daily exchange rates, and see major currencies at a glance.
Excel Formula GeneratorPick what you want to calculate and get a ready-to-paste Excel or Google Sheets formula.
Text ComparePaste two versions of a document and see every added, removed and changed word highlighted.
Number to Words ConverterWrite any number or amount in words — cheque format, uppercase and British style included.
Split PDF & Organize PagesSplit a PDF, extract, delete, rotate or reorder pages — right in your browser.
Email Signature GeneratorCreate a professional email signature for Gmail, Outlook and Apple Mail — free, no sign-up.
Text CleanerFix broken line breaks from PDFs, remove duplicate lines and extra spaces, change case and more.
Passport Photo MakerCrop a photo to official passport and visa sizes and print several on one 4×6 sheet.
Trip Expense SplitterAdd who paid what on a trip and see the fewest transfers to settle up — in any currency.
GPA CalculatorCalculate your semester and cumulative GPA, convert between 4.0, 4.3 and 4.5 scales and see the grades you need.
Citation GeneratorCreate APA, MLA and Chicago citations from a DOI, ISBN or your own details, and build a reference list.
Pomodoro TimerA focus timer with 25-minute work sessions, breaks, alerts and a log of today’s study time.
PNG to SVG ConverterTurn logos, icons and drawings (PNG, JPG) into clean vector SVG — black & white cut files or color.
Markdown to PDF ConverterPaste or open a .md file and save it as a clean PDF with tables, code blocks and images.
PDF to JPG ConverterTurn every PDF page into a JPG or PNG image — standard or high resolution, downloaded as a ZIP.
Sign PDFDraw your signature or upload a stamp image and place it anywhere on a PDF.
Add Watermark to PDFStamp text like CONFIDENTIAL or DRAFT across every page of a PDF.
Add Page Numbers to PDFNumber PDF pages in the corner or center, with formats like 1 / 10.
Rotate PDFTurn sideways or upside-down PDF pages and save them the right way up.
Protect PDF with PasswordLock a PDF with a password using AES-256 encryption.
Unlock PDFRemove a PDF password or printing/copying restrictions when you know the password.
Markdown EditorWrite Markdown with a toolbar and live preview. Your draft is saved in this browser.
Markdown to HTML ConverterConvert Markdown to clean HTML code with a live preview. Copy it or download an .html file.
Markdown Table GeneratorBuild Markdown tables in a grid or paste from Excel, Google Sheets or CSV.
Trending SearchesSee what people are searching on Google right now, by country, with the news behind each search.
Barcode & QR Code ScannerRead QR codes and barcodes from an image, a screenshot or your camera, and copy the text or link.
Postal Code LookupFind Korean postal codes by address, or look up the city for a postal code in 30 countries.
Emoji FinderSearch and browse every emoji by name or category. Click to copy, or collect several at once.
Special CharactersCopy arrows, stars, hearts, math symbols, currency signs, units and more with one click.
Crop ImageCrop photos to any size or ratio such as 1:1, 4:3 or 16:9, and download them right away.
Calorie & Protein CalculatorGet your daily calories, protein, carbs and fat for cutting, maintaining or bulking.
BMI & Body Fat CalculatorCalculate your BMI and estimate body fat percentage from a tape measure (U.S. Navy method).
Percentage CalculatorFind X% of a number, what percent one number is of another, and percentage increase or decrease.
Image to Text (OCR)Extract text from photos, screenshots and scanned images in 20 languages, right in your browser.
Spin the WheelType names or options, spin the wheel and let it pick a random winner.
Random Number GeneratorPick random numbers in any range, with or without duplicates — dice, lottery and raffle draws.
Loan CalculatorCalculate monthly payments, total interest and a full repayment schedule for any loan or mortgage.
Case ConverterConvert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more.
Lorem Ipsum GeneratorGenerate placeholder paragraphs, sentences or words of lorem ipsum, with optional HTML tags.
Paycheck Calculator (Take-Home Pay)Turn a gross salary into take-home pay after income tax and social insurance — US by state, Korea, Germany, Japan, France, Spain and Brazil.
Time Zone Converter & Meeting PlannerConvert a time across cities like LA, New York, London and Seoul, with daylight saving, and find meeting hours that suit everyone.
Timecard Calculator (Overtime)Add up a week of clock-in and clock-out times with breaks, and split regular, overtime and double time — including California rules.
Unit ConverterConvert length, weight, temperature, volume, area and speed: miles to km, °F to °C, lb to kg, ft to m and more.
Hourly to Salary CalculatorConvert an hourly wage to yearly, monthly, weekly and daily pay — or a salary back to an hourly rate.
Sales Tax CalculatorAdd sales tax to a price or find the price before tax, with 2026 rates for Los Angeles, New York City, Chicago and more.
Compound Interest CalculatorSee how savings, a 401(k) or an index fund grows with monthly contributions and compound interest, year by year.
Age CalculatorFind your exact age in years, months and days, total days lived and the countdown to your next birthday.
Password GeneratorCreate strong random passwords in your browser with the length and characters you choose.
Online Timer & StopwatchA countdown timer with an alarm and a stopwatch with laps, right in your browser.
Typing Speed TestMeasure your typing speed in words per minute and your accuracy with short practice texts.
Scientific CalculatorAn online scientific calculator with trigonometry, logarithms, powers, roots, factorials and degrees or radians.
Webcam & Mic TestCheck that your camera and microphone work before a video call — preview, input level and a quick recording.
BMI CalculatorCalculate your body mass index from height and weight and see your healthy weight range.
Mortgage CalculatorEstimate your monthly mortgage payment with property tax, insurance, PMI and HOA fees.
Fancy Font GeneratorTurn text into 𝐛𝐨𝐥𝐝, 𝓈𝒸𝓇𝒾𝓅𝓉, 𝕕𝕠𝕦𝕓𝕝𝕖 and more Unicode fonts to copy into Instagram, TikTok or Discord.
Click Speed Test (CPS)Count how many clicks per second you can do in 1, 5, 10, 30 or 60 seconds.
Reaction Time TestClick as soon as the screen turns green and measure your reaction time in milliseconds.
Keyboard TesterPress every key to check that your keyboard works — pressed keys light up on a full layout.
Dead Pixel TestFill your screen with solid colors to spot dead, stuck or hot pixels and backlight bleed.
Tip CalculatorWork out the tip, the total and how much each person pays when you split the bill.
Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers, with simplified and decimal results.
Pregnancy Due Date CalculatorEstimate your due date from your last period or conception date and see how far along you are.
Ovulation CalculatorFind your fertile window, ovulation day and next period for the next three cycles.
Coin FlipFlip a virtual coin for heads or tails, with a running count of every result.
Dice RollerRoll 1 to 10 dice with 4 to 100 sides and see the total — d6, d20 and more.
Text to SpeechRead any text aloud with your device's voices, with adjustable speed and pitch.
Screen RecorderRecord your screen, a window or a tab with audio and microphone, right in your browser.
JSON Formatter & ValidatorFormat, validate and minify JSON with the exact line and column of any error.
Base64 Encode & DecodeEncode text or files to Base64 and decode Base64 back to text or images, UTF-8 safe.
Unix Timestamp ConverterConvert Unix epoch seconds or milliseconds to a date and dates back to timestamps.
UUID GeneratorGenerate random UUID v4 or time-ordered UUID v7 identifiers, one or hundreds at a time.
JWT DecoderDecode a JSON Web Token to read its header, payload and expiry — without sending it anywhere.
URL Encode & DecodePercent-encode or decode URLs and query strings, and split a URL into its parts.
Hash Generator (MD5, SHA-256)Get MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files and verify checksums.
Regex TesterTest JavaScript regular expressions with live highlighting, capture groups and replace preview.
Guitar TunerTune your guitar, bass or ukulele with your microphone — standard, drop D and chromatic modes.
Online MetronomeA precise metronome with tap tempo, accents and 20–300 BPM, right in your browser.
Signature GeneratorDraw or type your signature and download it as a transparent PNG for documents and email.
Discount CalculatorFind the sale price and how much you save, including stacked discounts and sales tax.
Grade CalculatorFind the score you need on your final exam and your weighted course grade.
Tone GeneratorPlay any frequency from 20 Hz to 20 kHz, test left and right speakers and sweep your hearing range.
Meme GeneratorAdd classic top and bottom meme text to your own picture and download it.
Online NotepadA simple notepad that saves automatically in your browser, with word count and .txt download.
Invisible CharacterCopy blank characters for empty names in games, chats and social media.
What Is My Screen ResolutionSee your screen resolution, browser window size, pixel ratio and aspect ratio instantly.