261+ free tools. all on your device.
no uploads, no sign-up, no limits. your files never leave your computer.
image tools 34
- remove background ai removes the background from photos automatically
- compress image shrink jpg, png and webp files by up to 90%
- resize image set an exact width and height, scale by percent, or pick a ready-made size for instagram, youtube and more
- crop image drag a box over the part you want to keep, or type exact pixel values
- rotate image turn pictures sideways or straighten a tilted shot with a precise angle slider
- flip image mirror a photo left to right, flip it upside down, or both
- jpg to png drop jpg files and get png files back
- png to jpg shrink png files into small jpgs
- webp to jpg turn webp images into widely supported jpg files
- webp to png lossless png copies of your webp images, with transparency kept intact
- png to webp webp keeps transparency at a fraction of the size
- heic to jpg iphone photos saved as heic open anywhere once converted to jpg
- add watermark to image protect your photos with a text or logo watermark placed in a corner or tiled across the image
- meme generator upload any picture, type top and bottom text, and download the meme with no watermark
- photo collage maker combine photos into a neat grid
- image filters tweak brightness, contrast, saturation or apply black and white and sepia with a live preview
- blur image paint or drag over faces, license plates or text to blur only those areas
- pixelate image censor parts of a photo with chunky pixel blocks, or pixelate the whole thing for retro art
- color picker from image click anywhere on a picture to read the exact color, and see the main colors at a glance
- exif viewer see the hidden data inside a photo: camera model, settings, date taken and gps location
- remove exif metadata delete gps location, camera details and other hidden data from photos before you share them
- favicon generator turn a logo into a full favicon pack: ico, apple touch icon and all common png sizes
- image to base64 encode any image as base64 text to embed in html, css or json
- base64 to image paste base64 text and see the picture it contains, then save it as a file
- svg to png rasterize an svg at any scale, with a transparent background if you like
- image to ascii convert a picture into text characters you can paste anywhere
- screenshot beautifier drop in a screenshot and wrap it in a gradient with padding, shadow and rounded corners
- round image corners soften square images with rounded corners, up to full circle or pill shape
- add border to image frame a photo with a colored border of any width
- image splitter cut a picture into rows and columns and download every tile
- circle crop image turn a photo into a round avatar
- image to text read the text in a photo, screenshot or scanned page and copy it out
- gif maker combine pictures into a looping animated gif
- passport photo maker crop a portrait to official photo size, whiten the background, and print several copies on one sheet
pdf tools 23
- merge pdf combine several pdfs into one document
- split pdf break one pdf into several
- compress pdf shrink a large pdf so it is easier to email or upload
- rotate pdf fix sideways or upside-down pages
- delete pdf pages remove pages you do not need
- reorder pdf pages drag page thumbnails into the order you want and save a new pdf
- extract pdf pages keep only the pages you need
- jpg to pdf combine jpg photos into one pdf, one image per page
- png to pdf turn screenshots and png graphics into a pdf
- image to pdf combine pictures in almost any format into one pdf
- pdf to jpg turn every page, or only the pages you pick, into jpg pictures
- pdf to png save pdf pages as sharp, lossless png images
- sign pdf draw or type a signature, add a date or your initials, click where each goes on the page and download the signed pdf
- add watermark to pdf put text such as confidential or draft across every page
- add page numbers to pdf stamp page numbers onto every page
- pdf to text pull the text out of a pdf so you can copy, search or edit it
- pdf metadata editor change the document properties hidden inside a pdf, or remove them before sharing
- unlock pdf enter the password you know and get a copy of the pdf that opens without one
- flatten pdf lock filled-in forms so they can no longer be edited
- crop pdf trim white margins from every page
- grayscale pdf make a color pdf black and white before printing
- pdf page counter drop one or more pdfs and see how many pages each has, plus a grand total
- html to pdf type or paste html, preview it, and save it as a pdf using your browser
video tools 17
- trim video cut the start and end off any video by setting two times
- compress video shrink a video for email, chat or storage by lowering quality and resolution
- video converter change a video to mp4, webm, mov or mkv
- mp4 to gif convert a clip from an mp4 into a looping gif
- video to gif create an animated gif from a part of any video
- video to mp3 extract the soundtrack from a video as an mp3 file
- extract audio from video rip the sound from any video and save it as mp3, m4a, wav, ogg or flac
- mute video strip the audio track from a video
- resize video change a video to a new resolution while keeping its aspect ratio
- change video speed make a video faster or slower
- rotate video fix a sideways or upside-down video, or mirror it
- crop video cut a video down to a new frame
- merge videos join two or more video files into one
- reverse video play a clip backwards, picture and sound
- video to frames split a video into still images
- screen recorder record your screen, a window or a browser tab, with optional microphone and tab audio
- webcam recorder record yourself with your camera and mic
audio tools 17
- audio cutter trim the start and end off a song, voice memo or podcast clip
- trim audio keep only the section of a recording you need
- audio converter convert any audio file, or the sound of a video, to mp3, wav, m4a, ogg or flac
- mp3 converter turn almost any audio or video file into an mp3 that plays on every device
- wav to mp3 shrink big wav recordings into mp3 files, often 10 times smaller, with a choice of bitrate
- volume booster make quiet recordings louder, or lower loud ones
- voice recorder record audio from your microphone with pause and resume
- speech to text press start and talk; your words appear as text
- text to speech paste text and hear it read aloud
- audio speed changer speed up or slow down audio
- merge audio join songs, voice notes or podcast segments end to end
- metronome set a tempo, beats per bar and subdivision, then practice with a steady click
- online tuner play a note and see which pitch you are on and how many cents off it is
- tone generator play a test tone at any frequency and waveform
- audio visualizer see the frequencies in a song or in your voice, live
- spectrogram a scrolling picture of sound: time goes left to right, pitch bottom to top, and brightness shows loudness
- noise generator choose white, pink or brown noise and let it play
text tools 27
- word counter paste or type your text to count words, characters, sentences and reading time instantly
- character counter count characters with and without spaces, plus letters, digits, lines and bytes, live as you type
- case converter convert text between upper, lower, title, sentence, camel, snake and kebab case
- text diff checker paste two versions of a text and see exactly which lines or words were added or removed
- lorem ipsum generator generate placeholder text by paragraphs, sentences or words
- find and replace find text and replace it, with optional regular expressions, case sensitivity and whole-word matching
- remove duplicate lines remove repeated lines from a list and keep only the unique ones
- sort lines sort a list of lines alphabetically, numerically, by length, or shuffle them
- remove line breaks strip line breaks and join your text into a single line or paragraph
- remove extra spaces collapse repeated spaces, trim each line and delete empty lines
- reverse text reverse text by characters, words, or lines
- text to slug turn titles into clean, url-friendly slugs
- markdown editor write markdown and see a live formatted preview
- readability checker get the flesch reading ease score and grade level of your writing
- word frequency counter find the most repeated words in your text with counts and percentages
- text to handwriting turn typed text into handwriting on lined paper and download it as an image
- fancy text generator convert plain text into stylish unicode fonts you can paste anywhere
- upside down text flip text upside down with unicode characters
- morse code translator translate text to morse code and back, and play it as audio
- online notepad a simple notepad that saves automatically in your browser
- text repeater repeat a piece of text many times with a custom separator
- add line numbers prefix every line of your text with a number
- random word generator generate random english words for games, prompts and ideas
- invisible character copy blank and zero-width unicode characters
- binary to text decode binary (0s and 1s) back into readable text
- text to binary encode text as 8-bit binary
- emoji picker search and copy emojis with one click
developer tools 37
- json formatter paste json to pretty-print or minify it
- json validator paste json to check whether it is valid and see where the first error is
- json to csv paste a json array and get a csv you can open in excel or google sheets
- csv to json paste csv with a header row and get a json array of objects
- json to yaml paste json and get readable yaml for config files
- yaml to json paste yaml and get valid json
- xml formatter paste xml to pretty-print it with consistent indentation or minify it
- sql formatter paste a sql query and pick a dialect to get readable, indented sql
- html formatter paste html to get cleanly indented, readable markup
- css formatter paste minified or messy css and get clean, indented rules
- javascript beautifier paste minified or messy javascript and get tidy, indented code
- css minifier paste css to strip comments and whitespace and shrink file size
- javascript minifier paste javascript and get a smaller, minified version powered by terser
- html minifier paste html to remove comments and collapse whitespace
- base64 encode & decode convert text to base64 and back
- url encode & decode percent-encode text for urls or decode encoded strings back to text
- html entities encoder escape text for html or turn entities like & back into characters
- jwt decoder paste a jwt to read its header, payload and expiry
- regex tester type a pattern and test text to see highlighted matches and capture groups live
- cron expression generator build a cron schedule or paste one to read it in plain english with upcoming run times
- uuid generator generate random v4 or time-ordered v7 uuids in bulk
- unix timestamp converter convert epoch time to a readable date and back, with a live current timestamp
- number base converter enter a number in any base and see it in binary, octal, decimal, hex and more
- css gradient generator design a gradient with live preview and copy the css
- box shadow generator tune shadows with sliders and copy the css box-shadow
- border radius generator adjust each corner and copy the css border-radius
- clip path generator drag points to shape a polygon and copy the clip-path css
- color converter enter a color in any format and get hex, rgb, hsl and oklch values
- chmod calculator tick permissions to get the octal number, symbolic form and chmod command
- user agent parser paste a user-agent string or use yours to see the browser, os and device
- gitignore generator pick languages and tools to build a .gitignore you can copy or download
- json to typescript paste json and get typescript interfaces generated from its structure
- markdown table generator edit a grid and copy a neatly aligned markdown table
- http status codes search every http status code and what it means
- meta tag generator fill in your page details and copy the html head tags
- string escape & unescape escape special characters for code or turn escape sequences back into text
- query string parser paste a url or query string to see each parameter, edit it and rebuild the link
generators tools 19
- qr code generator make a qr code for a link, text, wifi network or contact card
- qr code scanner point your camera at a qr code or upload a picture of one to read what is inside
- barcode generator type a value, pick a format and download a print-ready barcode as png or svg
- random number generator set a minimum and maximum, choose how many numbers you want and generate
- random name picker paste names, one per line, and pick a random winner
- spin the wheel enter your options, press spin and let the wheel decide
- dice roller choose a die, how many to roll and press roll
- coin flip tap the coin to flip it
- invoice generator fill in your details, add line items and download a professional pdf invoice
- resume builder enter your details and see a clean resume update live, then print it or save it as a pdf
- signature generator draw with your mouse or finger, or type your name in a script font, then download a transparent png
- fake data generator choose fields and a row count to generate fake people for testing
- color palette generator generate color palettes, lock the ones you like, regenerate the rest and copy the css
- avatar generator type any name to get a unique avatar, or randomize for a new face
- identicon generator enter any text to get a unique symmetric identicon from its hash
- username generator generate batches of usernames, add a keyword if you want, and copy your favorites
- team generator paste your names, pick the number of teams and shuffle them into groups
- random letter generator pick how many letters you want and which kinds, then generate
- placeholder image generator set width, height, colors and text to make a placeholder image for mockups
security tools 14
- password generator create strong, random passwords with the length and character types you choose
- passphrase generator pick random words to make a passphrase that is easy to remember and hard to guess
- password strength checker type a password to see its entropy, estimated crack time and weak patterns
- hash generator hash text or a file with MD5, SHA-1, SHA-256, SHA-384 and SHA-512
- sha256 generator get the SHA-256 hash of text or a file
- md5 generator calculate the MD5 checksum of text or a file
- file checksum verifier verify a download by comparing its hash with the one published by the author
- encrypt text lock a message with a password using AES-256-GCM
- decrypt text paste an encrypted message and enter the password to read it
- encrypt file encrypt any file with a password and download a .enc copy
- decrypt file drop an .enc file, enter the password and download the original
- bcrypt generator generate a bcrypt hash or check a password against one
- random key generator generate cryptographically secure random keys in hex, base64 or url-safe base64, in any size
- totp generator enter a base32 secret key to see the current 6-digit two-factor code and a countdown
calculators tools 28
- percentage calculator three calculators in one: what is x% of y, x is what percent of y, and percentage change between two numbers
- loan calculator enter the amount, rate and term to see your monthly payment, total interest and a month-by-month amortization table
- mortgage calculator estimate your total monthly mortgage payment, including property tax, insurance, hoa fees and pmi, plus a full amortization table
- compound interest calculator see how savings could grow with compound interest, regular deposits and a chart of the balance over time
- simple interest calculator calculate simple interest on a deposit or loan from the principal, annual rate and time in years, months or days
- tip calculator enter the bill, choose a tip and split it between friends
- discount calculator find the final price after a percentage discount and see how much you save, with an optional extra discount on top
- sales tax calculator add sales tax to a price, or remove it from a total
- bmi calculator enter your weight and height in metric or imperial units to get your body mass index and category
- bmr and calorie calculator estimate your basal metabolic rate and daily maintenance calories from age, sex, height, weight and activity level
- body fat calculator estimate body fat percentage with the US navy method using a tape measure for neck, waist and, for women, hips
- age calculator find your exact age from your date of birth, plus total months, weeks, days and the countdown to your next birthday
- date difference calculator pick two dates to see the exact difference in days, weeks, months, years and working days
- add days to date calculator add or subtract days, weeks, months or years to find a future or past date
- gpa calculator enter your courses, letter grades and credit hours to calculate your gpa on the 4.0 scale
- final grade calculator find the score you need on your final exam to reach the course grade you want
- scientific calculator a full scientific calculator you can use with the keyboard or on-screen buttons, with degrees and radians
- fraction calculator calculate with fractions and mixed numbers
- average calculator paste a list of numbers to get the mean, median, mode, range and standard deviation
- aspect ratio calculator find the aspect ratio of a width and height, and calculate new dimensions that keep the same ratio
- salary to hourly calculator convert an annual salary to an hourly rate, or an hourly wage to yearly pay, based on your hours and weeks
- retirement calculator estimate how much you could have at retirement based on your savings, monthly contributions and an assumed return
- savings goal calculator work out how much to save each month to reach a goal, or how long a given deposit will take
- fuel cost calculator estimate the fuel needed and the cost of a trip in miles/mpg or kilometres/L per 100 km, with an option to split the cost
- pregnancy due date calculator estimate your due date and key milestones from the first day of your last menstrual period
- ovulation calculator estimate when you are likely to ovulate and your fertile window, based on your cycle length
- roi calculator calculate return on investment as a percentage, plus the annualized return if you enter how long you held it
- profit margin calculator calculate profit margin and markup from cost and revenue, or work out the price needed for a target margin
converters tools 20
- length converter convert any length unit to another, from millimeters to miles, with every result shown at once
- weight converter convert mass between metric and imperial units like kilograms, pounds, ounces and stone
- temperature converter convert temperatures between celsius, fahrenheit, kelvin and rankine instantly
- volume converter convert liquid and cubic volume units such as liters, gallons, cups and fluid ounces
- area converter convert area between square feet, square meters, acres, hectares, square miles and other units
- speed converter convert speed between mph, km/h, m/s, knots and other units
- time converter convert durations between milliseconds, seconds, minutes, hours, days, weeks, months and years
- data storage converter convert bits, bytes and file sizes between decimal units (kb, mb, gb) and binary units (kib, mib, gib)
- pressure converter convert pressure between psi, bar, pascals, kilopascals, atmospheres and mmhg
- energy converter convert energy and work between joules, calories, kilocalories, kilowatt-hours and btu
- cooking measurement converter convert recipe measurements between cups, spoons, milliliters, grams and ounces for common ingredients
- shoe size converter convert shoe sizes between US men, US women, UK and EU, and estimate size from foot length in centimeters
- clothing size converter look up equivalent clothing sizes across US, uk, european and italian systems
- roman numeral converter type a number to get its roman numeral, or a roman numeral to get the number
- time zone converter convert a date and time from one time zone to another, with daylight saving applied for that exact date
- number to words converter type a number to get it spelled out in english words, including decimals and currency format
- cm to inches converter convert centimeters to inches (and back)
- kg to lbs converter convert kilograms to pounds (and back)
- celsius to fahrenheit converter convert degrees celsius to fahrenheit (and back)
- miles to km converter convert miles to kilometers (and back)
productivity tools 25
- pomodoro timer focus in timed sessions with short and long breaks
- online stopwatch start, stop and record laps with centisecond precision
- countdown timer pick a preset or enter any time, then start
- online alarm clock set one or more alarms and keep this tab open
- world clock see the current time in cities around the world and how far each is from your local time
- countdown to date enter an event name and a date to see the time left
- to-do list add tasks, tick them off and filter what is left
- habit tracker add habits and tick off each day of the week
- typing speed test type the passage as fast and accurately as you can
- flashcards create decks, flip cards and rate how well you knew each one
- online whiteboard sketch ideas with a pen, shapes and an eraser, then download the board as a PNG
- kanban board organise work in columns and drag cards between them
- sticky notes jot quick notes and arrange them freely
- daily planner plan your day hour by hour with three priorities and a notes area
- meeting cost calculator enter how many people attend and their average hourly cost, then press start to watch the cost tick up
- time tracker start a timer for a task, stop it when done and see where your time goes
- random decision maker list your options, then spin to get an unbiased random pick
- breathing exercise follow the animation: breathe in, hold, breathe out, hold
- online ruler measure small objects on your screen
- reaction time test wait for green, then click or press space as fast as you can
- click speed test click the pad as many times as you can before the timer ends to get your clicks per second
- keyboard tester press any key to light it up on the board and see its key, code and keycode
- dead pixel test go fullscreen and step through solid colors
- mic test allow microphone access and speak
- webcam test allow camera access to see a live preview with resolution and frame rate details