All tools

Work out a percentage of a number, what percent one number is of another, or a percent change.

Everyday Life

Find your exact age in years, months and days, and how long until your next birthday.

Everyday Life

Count the days, weeks, months and weekdays between two dates, for deadlines, notice periods and plans.

Everyday Life

Convert length, weight, volume, area, speed and temperature between common units.

Everyday Life

See the monthly payment, total interest and total cost of a loan from its amount, rate and term.

Everyday Life

Find how much to save each month to reach a savings goal in time, with or without interest.

Everyday Life

Add a tip to a bill, include or add tax, and split it equally between people, with each share rounded up if you like.

Everyday Life

List your income and bills in any frequency and see what is left each month and where the money goes.

Everyday Life

Estimate your monthly electricity bill from each appliance, its wattage and hours of use, at your own price per kWh.

Everyday Life

Keep a list of repeating home jobs and see which are overdue or coming up next.

Everyday Life

Plan the cost of moving home, track estimates against actual costs and see what is still to pay.

Everyday Life

Merge PDFs in the order you choose, split one by page ranges or extract pages, and rotate them, all in your browser.

Everyday Life

Shrink JPEG, PNG and WebP images to a quality or a size limit and see how much space each one saves.

Everyday Life

Convert images between JPEG, PNG and WebP in a batch, with a background colour for transparency, and download a ZIP.

Everyday Life

Put scans, photos and PDFs in order and get one combined PDF or a ZIP of neatly renamed files.

Everyday Life

Prepare your photo and signature to meet an application's size and file rules, and check each rule.

Students & Career

Write a clean, ATS-friendly CV or resume with a live preview, then download a PDF or print it. Your draft stays on your device.

Students & Career

See your attendance percentage, how many classes you can still miss, or how many you must attend to reach the level you need.

Students & Career

Work out your GPA from course credits and grades, and your new CGPA with earlier results.

Students & Career

Plan study tasks by subject with due dates and hours, and see what is left and what is overdue.

Students & Career

Put your exams in one timetable with places and times, see days left and spot two exams on one day.

Students & Career

Compare your scholarship and other funding with fees and living costs for a term or a year.

Students & Career

Turn photos of handwritten pages and PDFs into one assignment PDF with a cover page for your name, ID and course.

Students & Career

Check files against an upload form's rules for type, file size, pixel size and PDF pages before you submit.

Students & Career

Work out your real profit per sale after fees, shipping and cost of goods, and compare pricing scenarios.

Sellers & Business

See what Etsy keeps from a sale and what you actually earn, with editable rates.

Sellers & Business

Estimate eBay final value fees and the per-order fee, and see your net profit per item, with editable rates.

Sellers & Business

Start from the margin you want and get the selling price that delivers it after marketplace fees.

Sellers & Business

Resize, crop and compress product photos for several marketplaces at once and download a ZIP.

Sellers & Business

Import order exports from your marketplaces and see profit per order and per channel.

Sellers & Business

Work out volumetric and billable weight and the real cost of shipping a parcel, with packaging and surcharges.

Sellers & Business

Create an invoice, quotation or receipt with totals, tax and discount and download it as a PDF, without an account.

Sellers & Business

Build consistent SKUs from product codes, colours and sizes, export them as CSV and print label sheets with Code 128 barcodes.

Sellers & Business

Find the price after one or two discounts, how much you save, and the final price with tax.

Sellers & Business

Turn cost into a selling price by markup or margin, and see both numbers side by side.

Sellers & Business

Find how many units you must sell to cover your fixed costs, and to reach a profit goal.

Sellers & Business

Find the reorder point and order quantity for each product from daily sales, lead time and safety stock.

Sellers & Business

Compare several prices, costs and fees side by side to see profit per sale, margin and total profit.

Sellers & Business

Track invoices you have sent, what each client still owes and which payments are overdue.

Sellers & Business

Record business expenses with categories and receipts and see totals by category and by month.

Sellers & Business

Work out the gross and net yield of a rental property after empty periods and running costs.

Real Estate

Estimate the total and yearly return on a property you buy, rent out and later sell.

Real Estate

Add taxes, agent and legal fees to the price to see what buying a property really costs.

Real Estate

Compare the full cost of renting with buying a home over the years, including the mortgage, upkeep, the sale and investing the difference.

Real Estate

Walk through a home room by room, rate each item and get a printable list of repairs.

Real Estate

Record rent charged and paid for each tenant and see a running balance and who owes what.

Real Estate

Track running costs for one or more properties and see totals by property, category and month.

Real Estate

Resize and compress a set of property photos to common landscape and square sizes and download them as a ZIP.

Real Estate

Get the floor, ceiling and wall area of a room, with doors and windows taken off.

Construction

Estimate how many litres and tins of paint a job needs, with coats and waste.

Construction

Count the tiles and boxes a floor needs, with an allowance for cuts and breakage.

Construction

Work out how much concrete a flat slab needs in cubic metres and cubic yards.

Construction

Estimate the bricks a wall needs from its size, the brick size and the mortar joint.

Construction

Find the theoretical weight of round steel bars from their diameter and length.

Construction

Convert a length on a scaled drawing to real size, or the other way round.

Construction

Build a simple bill of quantities with items, units, quantities and rates, plus waste, contingency and tax.

Construction

Get an early project cost from floor area, your own rates per area and lump sums, with fees and contingency.

Construction

Compare supplier quotes for building materials including discounts and delivery to find the cheapest.

Construction

Scale every ingredient in a recipe up or down to the number of servings you want.

Food & Grocery

Find the cost per portion and the selling price that gives the food cost you aim for.

Food & Grocery

Estimate how much food to prepare for a number of guests, with a safety margin.

Food & Grocery

Make a shopping list grouped by aisle with estimated prices, and tick items off as you shop.

Food & Grocery

Keep track of food in your cupboard, fridge and freezer, see what to use first and what to buy.

Food & Grocery

Compare pack sizes and shops by price per kilo, litre or item to find the best value ingredient.

Food & Grocery

Plan meals for the week with their cost and see spending per person per day against your budget.

Food & Grocery

Estimate the metres of fabric to buy for a batch of garments, with waste and cost.

Fashion & Clothing

Add fabric, trims, labour and overhead to get a cost, and a price for the margin you want.

Fashion & Clothing

Set wholesale and retail prices from your unit cost and see the profit per unit wholesale, direct and on a marketplace.

Fashion & Clothing

Record body measurements in centimetres or inches with notes, and print a clean measurement sheet.

Fashion & Clothing

Build a size chart for your clothing in cm and inches, with checks for sizes that do not grade evenly.

Fashion & Clothing

Resize clothing photos to square and portrait catalog shapes with a background colour, and download a ZIP.

Fashion & Clothing

Keep a private log of your blood pressure and pulse readings, see averages and print it for your doctor.

Health Administration

Track medical bills, medicines and what insurance paid back, by person and category.

Health Administration

Keep medical and other appointments for your family in one list and see what is coming up.

Health Administration

Prepare for a doctor visit with a checklist of what to note, bring and ask, and record what was agreed.

Health Administration

Keep an index of your medical documents, where each one is kept and when it needs renewing.

Health Administration

Format, minify, sort and check JSON, with the line and column of any error.

Developer Tools

Encode text to Base64 or decode it back, with standard and URL-safe alphabets and full Unicode support.

Developer Tools

Percent-encode a value or a whole URL, or decode one, and find broken sequences.

Developer Tools

Generate random version 4 UUIDs in bulk, in lowercase, uppercase or without hyphens.

Developer Tools

Turn a Unix timestamp into a readable date, or a date into a timestamp, in seconds and milliseconds.

Developer Tools

Create SHA-256, SHA-384, SHA-512 or SHA-1 hashes of text in your browser.

Developer Tools

Convert CSV to JSON or JSON to CSV, with type detection and protection against spreadsheet formulas.

Developer Tools

Beautify or minify HTML and CSS with a simple, dependency-free formatter that also points out unclosed tags and braces.

Developer Tools

List every path in a JSON payload with its type and an example, see its size, depth and key count, or decode a JWT.

Developer Tools

Paste a raw webhook request to see its headers and body, compute the HMAC-SHA256 or SHA1 signature and compare it with yours.

Developer Tools