All 88 tools
Every tool works in your browser, with no sign-up. Choose one to open its page.
Money & everyday 16
- Add or remove taxCalculate a tax-inclusive or tax-exclusive price.
- Discount calculatorSee the sale price and exactly how much you save.
- Energy cost calculatorUnderstand what an appliance costs to run.
- Fuel cost for a journeyEstimate what a drive will cost in fuel.
- Loan repaymentEstimate a fixed-rate monthly repayment.
- Monthly budgetPut your income and everyday costs into perspective.
- Mortgage overpaymentSee how a regular overpayment could shorten a repayment mortgage.
- Pay converterConvert pay between hourly, daily, weekly, monthly and yearly.
- Percentage calculatorFind a percentage, compare values or work out a change.
- Profit margin and markupSee the profit, margin and markup on something you sell.
- Savings goalFind out how long it could take to reach a savings target.
- Savings growthExplore a savings scenario with monthly contributions.
- Seller profit and offer calculatorSee what you really make on a sale, your break-even price and which offers to accept.
- Split a billSplit the total, add a tip and keep the pennies fair.
- Subscription totaliserAdd up what your subscriptions really cost each year.
- Unit price comparisonFind the better-value pack without mental maths.
Numbers & time 17
- Add or subtract daysFind a date before or after your starting point.
- Age calculatorFind completed years and the number of days elapsed.
- Aspect ratioSimplify a ratio and scale dimensions proportionally.
- Average, median and rangeSummarise a list of numbers in one go.
- Cooking measuresConvert spoons, cups, fluid ounces and millilitres.
- Countdown to a dateWatch the days, hours and minutes until a moment that matters.
- Days between datesMeasure the gap between two calendar dates.
- Dice rollerRoll a handful of dice for games and decisions.
- Meeting time plannerSee what a meeting time means in other time zones.
- Number base and Roman numeralsConvert between decimal, binary, octal, hexadecimal and Roman numerals.
- Random numberPick a whole number in an inclusive range.
- Recipe scalerScale ingredient amounts up or down for a different number of servings.
- Simplify a fractionReduce whole-number fractions to their simplest form.
- Time durationCalculate elapsed hours, including overnight periods.
- Unit converterLength, weight, temperature, volume and more.
- Working days between datesCount Monday to Friday days between two dates.
- World clockSee the time in useful locations around the world.
Writing & text 13
- Change text caseSwitch between uppercase, lowercase and title case.
- Character limit checkerCheck a message against a length limit before you post or send it.
- Clean up textRemove extra spacing and tidy line endings.
- Compare two textsSpot what was added, removed or left alone between two versions.
- Extract emails and linksPull every email address or web link out of a block of text.
- Find and replaceReplace exact text without complicated expressions.
- Markdown previewPreview Markdown as formatted text and copy the HTML.
- Placeholder textGenerate filler text for a layout or a mock-up.
- Remove duplicate linesKeep the first occurrence and remove repeated lines.
- Sort a listSort lines alphabetically or by numeric value.
- URL slug makerTurn a heading into a clean, readable URL fragment.
- Word counterCount words, characters and estimated reading time.
- Word frequencyFind the words you use most often in a piece of writing.
Developer tools 13
- Base64 encode / decodeConvert Unicode text to and from Base64.
- Cron expression explainerRead a cron schedule in plain English and see when it next runs.
- CSV to JSONTurn a header-based CSV into a JSON array.
- HTML escape / unescapeEscape markup characters or decode common entities.
- JSON formatterValidate, format or minify a JSON document.
- JSON to CSVTurn a JSON array of objects into a CSV table.
- JWT decoderRead the header and payload of a JSON Web Token.
- Password generatorGenerate a random password on your own device.
- Regex testerTry a regular expression against sample text.
- SHA-256 text hashGenerate a SHA-256 digest of UTF-8 text.
- Timestamp converterConvert between Unix timestamps and readable dates.
- URL encode / decodeEncode or decode a URL component safely.
- UUID generatorGenerate version 4 random identifiers locally.
Images & design 13
- Add text or a watermarkPut a name, a date or a notice onto a picture.
- Batch image studioResize, crop, convert and rename a batch of photos at once, with a preview before you save.
- Blur or pixelate an areaHide part of a picture, such as a face or a number plate.
- Colour contrast checkerCheck two colours against text contrast thresholds.
- Colour converterConvert a hex colour into RGB and HSL values.
- Colour palette from an imagePick out the main colours in a photo or a logo.
- Favicon generatorTurn a logo into the icon files a website needs.
- Image compressorShrink a photo to fit under a file size you choose.
- Image converterExport a photo as JPEG, PNG or WebP.
- Image cropperCrop an image using exact pixel coordinates.
- Image resizerChange image dimensions without uploading your file.
- Remove photo metadataStrip location, camera and date details from a photo before you share it.
- Rotate and flipRotate or mirror your image in a few clicks.
Focus & planning 8
- Decision pickerLet chance pick from a list of everyday options.
- Focus timerMake room for one thing at a time.
- Habit trackerTick off small daily habits and see your week at a glance.
- Packing list builderGet a sensible starting list for your next trip.
- Private notepadA simple space to think, write and download a note.
- Stopwatch and lap timerTime anything, and note each lap as you go.
- Task listTurn a busy mind into a manageable list.
- Weekly plannerPlan your week on one page, then print it or keep it on this device.
Documents 8
- CSV and table cleaning studioTidy up a spreadsheet export: duplicates, spaces, columns and dates, with a preview of every change.
- Images to PDFCombine photos or scans into a single PDF.
- Merge PDF filesJoin several PDFs into one, in the order you choose.
- PDF page organiserSee every page, then reorder, turn, remove, combine or number them before you save a new PDF.
- Printable checklistWrite a list, tick it off on screen or print it as a tidy page.
- QR code generatorMake a QR code for a link or a piece of text.
- Simple invoice builderFill in the details and download a clean PDF invoice.
- Split and reorder PDF pagesKeep, remove, reorder or rotate the pages of a PDF.