Convert WebP images locally for free. Preserve PNG transparency, set JPG background and quality, and download a batch ZIP.
Guide (한국어)Urutkan atau putar file PDF lalu gabungkan menjadi satu PDF.
Guide (한국어)Pilih halaman dan simpan sebagai PDF terpisah atau satu file gabungan.
Guide (한국어)Edit teks PDF dan tambahkan gambar, tanda tangan, serta sorotan. Cari dan ekspor teks dengan analisis dokumen.
Guide (한국어)Ubah halaman PDF ke PNG atau JPG dan simpan satu per satu atau ZIP.
Guide (한국어)Urutkan dan putar gambar, atur kertas dan margin lalu simpan satu PDF.
Guide (한국어)Ubah ukuran, potong, dan sesuaikan warna gambar.
Guide (한국어)Kecilkan gambar, bandingkan ukuran sebelum dan sesudah kompresi lalu simpan.
Guide (한국어)Hapus latar otomatis lalu perbaiki hasil dengan alat hapus dan pemulihan.
Guide (한국어)Pilih bagian video dan atur ukuran, laju bingkai, serta warna. Pangkas, tambahkan teks, lalu simpan sebagai GIF.
Guide (한국어)Simpan adegan video sebagai JPG atau PNG. Pilih rentang dan interval, lalu unduh beberapa gambar satu per satu atau sebagai ZIP.
Guide (한국어)Pilih bagian audio video dan simpan MP3 atau WAV. Atur kecepatan, volume, dan fade.
Guide (한국어)Ubah audio ke MP3 dan pilih bitrate, laju sampel, mono atau stereo.
Guide (한국어)Kecilkan PDF, bandingkan ukuran sebelum dan sesudah kompresi lalu simpan.
Guide (한국어)Masukkan gaji, tunjangan, dan potongan lalu simpan slip gaji sebagai PDF atau gambar.
Guide (한국어)Masukkan pelanggan dan barang, hitung nilai serta VAT lalu simpan penawaran PDF dengan logo dan stempel.
Guide (한국어)Masukkan pemasok, pelanggan, dan barang, hitung nilai serta pajak lalu simpan rincian transaksi PDF atau gambar.
Guide (한국어)Masukkan data, pendidikan, dan pengalaman, tambah foto dan perkenalan lalu simpan resume PDF atau gambar.
Guide (한국어)Masukkan pinjaman, bunga, dan jangka waktu untuk perkiraan cicilan, total bunga, dan perbandingan pembayaran.
Guide (한국어)Buat QR untuk URL, Wi-Fi, dan kontak, atur warna dan logo lalu simpan PNG.
Guide (한국어)Pisahkan gambar berdasarkan jumlah atau ukuran sel, lihat animasinya lalu simpan PNG terpisah atau ZIP.
Guide (한국어)Turn PDF pages by 90° or 180° and save the result. Rotate every page at once or only the pages that were scanned the wrong way.
How to useRemove blank pages, cover sheets or anything else you do not need and save the remaining pages as a new PDF. Click thumbnails or type ranges such as "3, 5-7".
How to useDrag page thumbnails or use the arrow buttons to change the order of pages in a PDF. Reverse a backwards scan with one click.
How to useStamp text such as CONFIDENTIAL, DRAFT or SAMPLE across every page of a PDF. Any language works, and you control size, opacity, angle and tiling.
How to useNumber the pages of reports, submissions or print-ready PDFs. Choose position, a format such as "1 / 10", the starting number, and whether to skip the cover page.
How to useCombine 2, 4, 6 or 9 pages onto each sheet and save a new PDF. Great for handouts, printing slides and saving paper.
How to useMake every page the same paper size: A4, A3, A5, Letter or Legal. Content keeps its aspect ratio and is centred, so nothing is cut off.
How to useConvert PNG images to JPG to cut file size. Choose quality and a background colour for transparent areas, convert many at once and download a ZIP.
How to useConvert JPG or WebP images to lossless PNG. Useful before repeated editing or for sites that only accept PNG.
How to useTurn iPhone HEIC photos into JPG (or PNG) that opens everywhere: Windows PCs, work systems, online forms and shops.
How to useConvert SVG icons and logos to PNG. Choose 1×, 2× or 4× scale or an exact width, and keep the transparent background.
How to useRotate photos by 90° or 180° or flip them horizontally or vertically. Fix mirrored selfies or sideways scans.
How to useAdd a brand name, website or "© Name" to photos. Choose one of nine positions or a tiled pattern, set size, opacity and colour, and apply to many images at once.
How to useDrag over faces, licence plates, addresses or phone numbers and hide them with pixelation, blur or a solid box.
How to useSee whether photos contain GPS location, device model or capture time, then strip that metadata. JPGs are cleaned without re-compression.
How to useFit landscape or portrait photos into 1:1, 4:5 or 9:16 by adding padding instead of cropping. Use a solid colour or a blurred copy of the photo as background.
How to useCreate favicon.ico (16, 32, 48 px), an Apple touch icon (180 px), Android/PWA icons (192, 512 px) and the HTML snippet from a single logo image.
How to useCrop a portrait to passport (35×45 mm), 2×2 inch US visa, half-size and other ID formats, save at exact pixels and file size, and get a 4×6 print sheet with several copies.
How to useJoin several photos horizontally, vertically or in a grid to make one image. Match sizes, set gaps and background colour. Works on PC and phone with no app.
How to useCut a wide photo into a seamless 2–10 slide carousel, or into a 3-column grid that forms one big picture on your profile. Files are numbered in posting order and zipped.
How to useTurn photos grayscale, sepia, negative or pure black-and-white (for stamps and signatures). Batch convert and download a ZIP, no Photoshop needed.
How to usePut text anywhere on a photo: add several captions, drag to position, and set size, colour, font, shadow, outline or a background box. Works on PC and phone.
How to useTurn every page of a colour PDF grayscale and save a new PDF, for printers that ignore grayscale settings, print shops or saving colour toner.
How to useInsert blank pages at the start, end, after specific pages or after every page. Add one at the end of odd-length documents so duplex printing and binding line up.
How to useCombine iPhone HEIC photos into one PDF, fitted to A4 or at photo size. JPG and PNG can be mixed in. Handy for document submissions and receipts.
How to useCount characters with and without spaces, bytes (Korean 2 or 3 bytes), words, lines and paragraphs for cover letters, posts and essays, instantly.
How to useDetects UTF-8 or EUC-KR and saves a UTF-8 (BOM) CSV that Excel opens with Korean intact. Preview before saving.
How to useJoin lines broken by PDF or web copying while keeping paragraphs, or turn all breaks into spaces, drop empty lines and tidy spaces.
How to useDelete repeated lines from lists of emails, keywords or names. Ignore spaces and case, drop empty lines, sort, or list by frequency with counts.
How to usePut two texts side by side to highlight added, removed and changed lines, down to the changed characters. For contract revisions, drafts and config files.
How to useEnter your start date to see which day today is, the dates of days 100–1000 and 1–10 year anniversaries, and how many days are left. Custom counts too.
How to useEnter clock-in and clock-out times for each day, subtract unpaid breaks, and get total hours, overtime over 40 hours and gross pay for a week or a bi-weekly pay period.
How to useCalculate overtime pay at 1.5× for hours over 40 in a week, with an option for California daily overtime (over 8 hours a day) and double time (over 12 hours a day).
How to useConvert an hourly wage to a yearly salary, or a salary to an hourly rate, with daily, weekly, bi-weekly, semi-monthly and monthly pay shown for your hours and weeks per year.
How to useCount business days between two dates, or add business days to a date, skipping weekends and US federal holidays (with observed dates), for deadlines, shipping and notice periods.
How to useAdd up the square footage of rooms and odd shapes in feet and inches: rectangles, triangles and circles, with a waste allowance and an optional price per square foot.
How to useEstimate concrete for slabs, patios, footings, round columns, post holes and steps in cubic yards and cubic feet, plus how many 80 lb, 60 lb or 40 lb bags of premix you need.
How to useEstimate the gallons of paint for a room from its length, width and wall height, minus doors and windows, for one or two coats, with or without the ceiling.
How to useSplit rent between roommates fairly by bedroom size (with shared space split equally), by income, or evenly, and see each person's share and percentage.
How to useType your name, pick a handwriting font, color and size, and download a transparent PNG signature to place on PDFs, contracts and emails.
How to useCalculate weighted and unweighted high school GPA on the 4.0 scale, with +0.5 for honors and +1.0 for AP, IB and dual-enrollment classes, and cumulative GPA from previous semesters.
How to useFind the score you need on the final exam to reach a target grade, from your current grade and the weight of the final.
How to useConvert numbers to Roman numerals and back (1–3,999), and turn dates such as birthdays and anniversaries into Roman numerals in several formats.
How to useResize photos to an exact print size in inches, such as 4×6, 5×7, 8×10 or a custom size, at 300 DPI or your chosen resolution, by cropping to fill or fitting with borders.
How to useExtract text from photos, screenshots and scanned images with OCR right in your browser, in English, Korean, Japanese or Chinese. Nothing is uploaded.
How to useAdd an open password to a PDF with AES-256, or remove the password from a PDF you can open, and save it without one. Your file and password never leave the browser.
How to useRead QR codes from photos and screenshots on your computer without a phone. Paste a screenshot to see the link or text inside.
How to useCreate UPC-A, EAN-13, Code 128, Code 39 and ITF-14 barcodes and download them as PNG or SVG for labels, inventory and testing.
How to usePull the photos and pictures embedded in a PDF out as JPG or PNG files at their original quality, one by one or as a ZIP.
How to useClick anywhere on an image to get the HEX, RGB and HSL color code, and extract the image's main color palette to copy.
How to useConvert text to UPPER CASE, lower case, Sentence case, Title Case, Capitalize Each Word, camelCase, PascalCase, snake_case or kebab-case instantly.
How to useTurn phone photos of documents into clean, flat scans: drag the four corners, remove shadows, and save several pages as one PDF.
How to useDraw your signature or upload a signature or stamp image, drag it onto any page of a PDF and save. No app, no account, nothing uploaded.
How to useExtract the text of a PDF page by page, copy it all or download a .txt file. Works even when selecting text in a viewer is awkward.
How to useCrop any photo into a circle and download a transparent PNG, with optional border colour and width. Perfect for profile pictures and logos.
How to useCrop photos to an exact aspect ratio for YouTube thumbnails (16:9), Instagram (4:5, 1:1), stories and shorts (9:16) or any custom ratio. Batch crop with a ZIP download.
How to useConvert shoe sizes between US, UK, EU and mm (Korea and Japan) for men and women, with the full size chart.
How to useType names or options, spin the wheel and get a random pick. Remove the winner after each spin to draw an order. Fair crypto-random results.
How to usePaste a list of names and split them randomly into a number of teams or teams of a set size. Team sizes differ by at most one; copy the result to share.
How to useWork out how much mulch you need in cubic yards and 2 or 3 cubic foot bags from the bed size and depth, for rectangles, circles or a known square footage.
How to useEstimate gravel, crushed stone, river rock, decomposed granite or sand in cubic yards and tons from the area and depth, with optional price per ton.
How to useConvert standard AM/PM time to military (24-hour) time and back, see how to say it, and use the full military time chart.
How to useCalculate your semester GPA from letter grades and credit hours, update your cumulative GPA, and see the GPA you need in remaining credits to reach a target.
How to useConvert cups, tablespoons and teaspoons to grams and ounces for flour, sugar, butter, milk and other ingredients, with kitchen-friendly fractions.
How to useBlack out names, phone numbers, SSNs and account numbers in a PDF. Masked pages are flattened to images, so the covered text cannot be copied or searched afterwards.
How to useTrim the white margins of PDF pages. Auto-detect margins on every page or draw the area to keep and apply it to all pages.
How to useAdd the date to photos you already took. The capture date is read from EXIF and stamped in classic orange film-camera style, for many photos at once.
How to useCombine several photos into an animated GIF. Set the time per frame, width, looping and boomerang playback.
How to useAdd a coloured border, rounded corners and a soft shadow to photos, for one image or many at once.
How to useConvert pixels to inches, cm and mm or back at 72, 96, 150, 300 or 600 DPI, with a chart of Letter, A4 and photo sizes in pixels.
How to useConvert ring sizes between US, UK letters, EU, Japan/Korea and inner circumference or diameter in mm, or find your size from a finger measurement.
How to useGenerate random numbers between any minimum and maximum, one or many, with no repeats and sorting options. Fair crypto-random results.
How to useFlip a coin online for heads or tails, keep a running tally, or flip thousands of times to test probability.
How to useRoll 1–10 dice with 4, 6, 8, 10, 12, 20 or 100 sides, or type notation like 2d6+3 for board games and D&D.
How to useGenerate strong random passwords of any length with uppercase, lowercase, numbers and symbols, avoid look-alike characters, and see the strength.
How to useTranslate English text to Morse code and Morse back to text, play it as sound at any speed, and switch to Korean Morse.
How to useGenerate Lorem ipsum placeholder text by paragraphs, sentences or words, optionally wrapped in <p> tags, plus Korean placeholder text.
How to useConvert CSV files to Excel (XLSX) and Excel back to CSV in your browser, keeping leading zeros and detecting encodings.
How to useSort a list alphabetically, in reverse, by natural number order or by length, remove duplicates, number lines or shuffle.
How to useTurn your text into bold, italic, cursive, bubble, small caps, upside-down and other Unicode styles to copy and paste into Instagram, TikTok and Discord.
How to useConvert numbers and dollar amounts to words, including the check format "one thousand two hundred thirty-four and 56/100 dollars", plus ordinals.
How to usePaste a recipe’s ingredient list and scale it to any number of servings, with kitchen-friendly fractions and spoons converted to cups.
How to useConvert oven temperatures between Fahrenheit, Celsius and gas marks, adjust for convection ovens, and convert recipes to air fryer temperature and time.
How to useFind the envelope that fits a card, letter or document, with a chart of #10, A2, A7, 6×9, 9×12 and ISO sizes in inches and mm, and the USPS mail class.
How to useMake a meme from your own image: classic white outlined top and bottom text or a caption bar, then download a JPG or PNG with no watermark.
How to useCall bingo numbers online with a board of called numbers, voice announcements and auto-calling every few seconds for 75-ball or 90-ball games.
How to useMake a printable chore chart: add names and chores, pick days and a colour, and download a PDF with one page per child.
How to useTest your microphone online: watch the level bar and waveform move as you talk, then record 5 seconds and play it back to hear yourself.
How to useTest your webcam online: see the live image, the real resolution and measured frame rate, switch cameras and take a snapshot.
How to usePress keys to light them up on the keyboard diagram, find keys that do not register and test how many keys register at once (rollover).
How to useFill the screen with black, white, red, green, blue and more to spot dead, stuck and hot pixels on monitors, laptops and phones.
How to useSee your screen’s real resolution, scaling (device pixel ratio), aspect ratio, browser window size and estimated refresh rate instantly.
How to useRecord your screen, a window or a tab in the browser with system audio and your microphone, then save as MP4 (Chrome/Edge) or WebM. No install, no watermark.
How to useRecord your voice in the browser, pause and resume, play it back and download as WebM/M4A or WAV. Free, no sign-up, nothing uploaded.
How to useClick to copy hearts, stars, arrows, shapes, circled numbers, math and currency symbols, dividers and cute kaomoji for bios, chats and documents.
How to useEnter your date of birth to see the day of the week you were born, the nursery rhyme line, days lived, your next birthday’s weekday and the next 10 years.
How to useConvert a photo or logo into ASCII art with adjustable width, character set, contrast and invert, then copy it or download TXT or PNG.
How to useA full-screen countdown timer for classrooms, talks and meetings: big digits, progress bar, yellow warning, red final seconds, end sound and overtime count.
How to useAn online stopwatch to the hundredth of a second with lap times, fastest and slowest laps highlighted, full screen, shortcuts and it keeps running across reloads.
How to useEnter green, yellow and gray letters from your Wordle guesses to list every matching five-letter word, ranked by which guesses narrow it down fastest.
How to useTake a 30-second, 1-minute or 2-minute typing test and get your words per minute (WPM) and accuracy, with correct and wrong characters highlighted as you type.
How to useTest your reaction time in milliseconds: wait for green, click as fast as you can, and see your average and best over several tries.
How to useClick as fast as you can and get your clicks per second (CPS) over 1, 5, 10 or 30 seconds.
How to useTest every mouse button, the scroll wheel and side buttons, and catch double-click faults where one press registers twice.
How to useCheck that your speakers or headphones play left and right correctly, with separate left, right and center tests, a stereo sweep, a test melody and a bass sweep.
How to useA free online metronome from 30 to 300 BPM with 4/4, 3/4, 6/8 and more, accented downbeats, subdivisions and tap tempo, scheduled on the audio clock so it never drifts.
How to useTune your guitar, bass, ukulele, violin or cello with your microphone. The needle shows how many cents sharp or flat you are and whether to tighten or loosen.
How to useGenerate a tone at any frequency with sine, square, sawtooth or triangle waves, adjustable volume and a 20 Hz–20 kHz sweep to test speakers and headphones.
How to useMake printable bingo cards with numbers 1–75 or your own words, each card shuffled differently, in 5×5, 4×4 or 3×3 with a FREE center, as a PDF.
How to usePaste names and get a random seating chart in classroom rows, pairs or tables, shown on screen or saved as a printable PDF.
How to usePaste a list of names to make printable name tags or desk tent cards at once, with a second line for role or team, a header like “HELLO my name is”, colours and Avery sizes.
How to usePick random letters from A–Z, vowels or consonants, one or many, with no repeats and an option to skip hard letters for Scattergories.
How to useConvert a time between cities like New York, Los Angeles, London, Seoul and Tokyo, with daylight saving applied for the date and a 24-hour grid to find a meeting time.
How to useType your letters (use ? for blanks) to find every English word you can make, grouped by length, with starts-with and ends-with filters for Scrabble, Words with Friends and Wordle.
How to useCalculate your class grade from weighted categories (homework, quizzes, exams), using percentages or points, and see what you need on ungraded work to reach a target.
How to useA free two-octave virtual piano in your browser. Play with mouse, touch or your computer keyboard, with chords, piano or organ sounds and note labels.
How to usePlay seamless white, pink or brown noise, rain, ocean waves or fan sound in your browser, with volume and a sleep timer.
How to useConvert your dog’s age to human years by size (small, medium, large, giant), with life stage and the DNA-based estimate from the 2019 UCSD study.
How to useConvert your cat’s age to human years, including months for kittens, with life stage from kitten to super senior.
How to useSee the Moon’s phase, illumination and age for any date, plus the exact date and time of the next full moon, new moon and quarters, and a monthly moon calendar.
How to useCalculate with fractions and mixed numbers, including parentheses, and get the simplified fraction, mixed number, decimal and percent. Decimals convert to fractions.
How to useDiagrams for 36 common guitar chords (major, minor, 7th, maj7, m7, sus, add9) with finger numbers, plus a one-page printable PDF.
How to useA free online Pomodoro timer: 25-minute focus sessions and 5-minute breaks that auto-start, a long break every four rounds, sound alerts and the time in the tab title.
How to useA free online whiteboard with pen, highlighter, eraser, lines, boxes, circles and text, colours, undo, full screen and PNG export. No sign-up.
How to useDraw pixel art on a 16×16 to 64×64 grid, mirror as you draw, convert a photo into pixels and export a transparent PNG at any scale.
How to useTurn photos into pencil sketches, charcoal or colour pencil drawings with adjustable line width and strength, in batches, entirely in your browser.
How to useCompare the text of two PDFs line by line and highlight added, removed and changed words, for contracts, reports and revisions. Nothing is uploaded.
How to useGenerate printable math worksheets for addition, subtraction, multiplication and division by number size, with answer keys, column layout and no-remainder options.
How to usePrintable multiplication charts for 1–12 and 1–20 and colourful times tables, plus a quick random quiz to practise.
How to useMake a printable word search puzzle from your own words, with difficulty from across/down to diagonal and backwards, plus an answer key.
How to useGenerate random printable mazes from very easy to expert, each with exactly one path, and download a PDF with solution pages.
How to useConvert a monitor, TV or laptop size in inches to width and height, and calculate pixel density (PPI) and pixel pitch for any resolution and aspect ratio.
How to useFind the exact aspect ratio of any width and height, the nearest standard ratio, and the matching height or crop size for a target ratio.
How to useConvert names, emails and booking codes into the NATO phonetic alphabet (Alfa, Bravo, Charlie…) with optional pronunciation, plus the full chart.
How to useTurn your front camera into a mirror with a soft ring light, zoom and brightness, full screen and photo capture. Nothing is recorded or uploaded.
How to useAsk the Magic 8 Ball a yes-or-no question and shake it for one of the 20 classic answers, at random.
How to useMake a free printable 2027 calendar: 12 monthly pages, a one-page year at a glance, or a single month, on Letter or A4, with US federal holidays (observed dates) and popular observances.
How to useA full-screen exam timer that runs a whole test schedule: section name, time left and progress, with breaks in between. Presets for digital SAT and ACT practice, or enter your own sections.
How to useCut any part of an MP3, M4A or WAV file and save it as MP3 or WAV, with fade in and fade out, or as an M4R iPhone ringtone where your browser supports it. Files stay on your device.
How to usePaste text and hear it read aloud with the voices built into your browser. Choose the language, voice, speed, pitch and volume; the sentence being read is highlighted.
How to useSix percentage calculators on one page: X% of Y, X is what percent of Y, percent change between two numbers, add or subtract a percentage, the original value before a discount, and percentage points.
How to useType labels and values to draw a pie, donut, bar, horizontal bar or line chart instantly, then download a PNG or copy it into slides. You can paste two columns from a spreadsheet.
How to useMake a 1280×720 YouTube thumbnail with bold outlined text over a photo or color background. Highlight words in an accent color, add a badge, darken and position the photo, and save a JPG under 2 MB.
How to useMake printable graph paper (1/4", 1/5", 1/8", 5 mm, 1 mm), dot grid, lined paper (wide or college ruled), handwriting paper with a dashed midline, isometric dots or Cornell notes, on Letter or A4. Vector lines stay sharp.
How to useTurn "front | back" lines into printable double-sided flashcards. The back pages are mirrored to line up when printed duplex, or choose fold-in-half for single-sided printers.
How to useEnter players or teams to generate a single-elimination tournament bracket for 2 to 64 entrants, with evenly spread byes, a random draw and an optional 3rd-place match. Click winners to advance, then save a PDF or PNG.
How to useMake printable certificates of achievement, appreciation, completion, excellence or participation. Add many names at once (one page each), pick a classic border, color band or kids’ stars design, and download a PDF.
How to useSet days, periods, start time, class length and lunch, type your classes, and get a color-coded weekly class schedule as a PNG or printable PDF. Your schedule is saved in this browser.
How to usePrint mailing or return address labels on standard US Letter label sheets: 30 per sheet (fits Avery 5160/8160), 10, 6, 20 or 80 per sheet. Fill a sheet with one return address or print a list, and skip labels already used.
How to use