All tools
75 tools, all free, all running in your browser.
Calculators
VAT, percentages, margins and invoices, worked out as you type.
VAT calculatorAdd or remove UK VAT at 20%, 5% or 0%Reverse VAT calculatorFind the price before VAT from a totalPercentage calculatorX% of a number, or what % one number is of anotherPercentage increase calculatorIncrease or decrease a number by a percentagePercentage change calculatorThe percentage change between two numbersMargin calculatorMargin, markup and profit from cost and priceMarkup calculatorSelling price from cost and markupProfit margin calculatorProfit margin with or without VAT in the priceDiscount calculatorSale price after a percentage offInvoice generatorA UK invoice with VAT, ready as a PDFMB to KB converterConvert between bytes, KB, MB and GB
Images
Convert, compress, resize and crop photos without uploading them.
HEIC to JPGiPhone photos as JPGs that open anywhereHEIC to PNGiPhone photos as PNGsHEIC to PDFiPhone photos into one PDFWebP to JPGSave web images as JPGPNG to JPGSmaller files from PNGsJPG to PNGA PNG copy of a JPGImage to WebPSmaller images for websitesCompress imageShrink photo file sizesResize imageChange width and height in pixelsResize image to KBHit an exact size like 100 KB or 20 KBCrop imageTrim to a shape or ratioInstagram post sizeCrop to 3:4, 4:5, square, story or reelYouTube thumbnail sizeCrop to 1280 x 720 or a Shorts thumbnailYouTube banner size2560 x 1440 with the safe area markedLinkedIn banner sizePersonal banner and company cover sizesFacebook cover photo sizeA cover that works on phones and computersX (Twitter) header sizeCrop to 1500 x 500 for your X headerCrop image to circleRound profile pictures and logosImage to PDFPhotos and scans into one PDF
Merge, split, sign and tidy PDFs in your browser.
Merge PDFJoin PDFs in any orderSplit PDFPull out pages or rangesRotate PDFTurn pages the right way upDelete PDF pagesRemove pages you do not needReorder PDF pagesPut pages in the right orderAdd page numbers to PDFNumber every pageJPG to PDFJPG photos into a PDFPDF to JPGEach page as an imageSign PDFDraw or type your signature onto a PDFProtect PDFAdd a password to a PDFUnlock PDFRemove a password you knowPDF word countCount words and characters in a PDF
Text & data
Counters, QR codes and converters for text, JSON and spreadsheets.
Word counterWords, characters and reading timeCharacter counterCharacters with limits for UCAS, SMS and XQR code generatorFree QR codes that never expireJSON formatterTidy, check and minify JSONCSV to ExcelOpen a CSV as an Excel fileExcel to CSVExport an Excel sheet as CSVBase64 encode and decodeBase64 both ways, text or filesURL encode and decodePercent-encode and decode URLsMorse code translatorText to Morse and back, with soundBinary translatorText to binary and backRoman numerals converterNumbers to Roman numerals and backBarcode generatorCode 128, EAN-13, UPC-A and EAN-8Password generatorStrong random passwords, made on your deviceUnix timestamp converterEpoch time to a date and backHex to RGBHex, RGB and HSL coloursLorem ipsum generatorPlaceholder text by the paragraphUUID generatorRandom v4 UUIDs, up to 1,000 at onceCase converterUPPER, lower, Title, camelCase and more
Everyday
Spinner wheels, random pickers, device checks and word tools.
Spin the wheelA spinner wheel for any decisionWheel of namesSpin to pick a name, no repeatsYes or no wheelSpin for a yes or no answerRandom team generatorSplit names into fair teamsRandom name pickerPick one or several names at onceFlip a coinHeads or tails, fair and instantRandom number generatorRandom numbers between any two valuesCPS testHow many clicks per secondReaction time testYour reaction speed in millisecondsMic testCheck your microphone worksWebcam testCheck your camera worksKeyboard testerSee which keys workSpeaker testLeft, right and bass to trebleDead pixel testFull screen colours to spot bad pixelsAnagram solverEvery word from your letters