Make a file easier to share
Use Resize and Compress to fit an upload limit, then Image to PDF when several pictures belong in one document. The files stay on your device.
A little help with everyday things
Small tools.
Useful every day.
Work out a number, make a file easier to share, or take a well-earned game break.
Search by the job, the tool or the unit. Abbreviations and common typos work too.
No sign-upYour files stay on your deviceFree tools for the small stuff
Something useful. Something fun.
Browse every toolWork out the everyday numbers.
More in this categoryFiles, ready to share.
More in this categoryPractise, learn and focus.
A quick break. Something fun.
More in this categoryCheck your connection.
Check your keyboard and mouse.
Favourites
Recently used
Saved on this device
Favourites, recent tools, personal bests and lesson progress stay in this browser. Clearing them cannot be undone.
Pick up where you need a hand
Money & time
Files & pictures
Learn & take a break
Browse every tool 75 tools
Pay and income
What actually reaches your account, and what a rate is worth over a year.
- Take-Home Pay Calculator What reaches your account after income tax, National Insurance, pension and student loan.
- Bonus Tax Calculator What you keep from a bonus, and why the rate on it is higher than you expect.
- Salary Sacrifice Calculator What a pension contribution really costs you once tax and National Insurance are counted.
- Hourly Rate to Salary An hourly rate over a year, and what you keep for each hour actually worked.
- Day Rate to Salary What a contract day rate is worth a year, and what a salary quietly includes.
- Pro Rata Salary Calculator What a part-time role really pays, and why it keeps more than its share.
- Holiday Entitlement Calculator Statutory leave for a regular working week, including part-time work and joining or leaving midyear.
- Student Loan Repayment Calculator What comes out each month, and whether you will clear it before it is written off.
Property
Buying, selling and letting, and the tax on each.
- Stamp Duty Calculator The tax on a purchase in England or Northern Ireland, band by band, with first-time buyer relief.
- Mortgage Repayment Calculator The monthly payment on a repayment mortgage, and how much of it is interest.
- Mortgage Affordability Calculator Roughly what a lender will offer, and what that reaches with your deposit.
- Mortgage Overpayment Calculator How many years an overpayment takes off the term, and the interest it avoids.
- Rental Yield Calculator Gross and net yield on a buy-to-let, and what actually lands in your account monthly.
- Capital Gains Tax on Property The tax on selling a second home or a buy-to-let, and how your income splits the gain.
Building work
Roofs, stairs and slabs: lengths and heights in, angles and quantities out.
- Roof Pitch Calculator A roof's pitch in degrees from its span and rise, or the rise from its pitch, with the rafter length.
- Stair Calculator How many steps a flight needs and how deep each is, checked against the guidance for a house in England.
- Concrete Calculator How much concrete a slab needs, and what that is in bags, in cement and ballast, or as ready-mix.
- Paint and Tile Calculator Paint tins or tile packs for your room, after excluding openings and adding a waste allowance.
Working for yourself
Sole trader, limited company, or a day rate through either.
- Self-Employed Tax Calculator Income tax and Class 4 on your profits, plus what HMRC really asks for in January.
- Umbrella vs Limited Company The same day rate through both structures, with every deduction shown on each side.
- Dividend Tax Calculator Dividend tax at the new 10.75% and 35.75% rates, and how your salary changes it.
- VAT Calculator Add VAT to a price or work it back out of a gross figure. Divide by 1.2, not minus 20%.
- Company Car Tax Calculator What the car costs you monthly, from the P11D price and the HMRC CO2 percentage.
Pensions and redundancy
Money later in life, leaving a job, and what an estate owes.
- Pension Drawdown Calculator What a pot pays after tax, and how many years it lasts at that rate.
- Pension Annual Allowance Calculator How much you can put in this year, after the taper that catches high earners.
- Redundancy Pay Calculator Your statutory redundancy pay, and how each year of service was counted towards it.
- Inheritance Tax Calculator What an estate owes, with the residence band, the £2m taper and spouse transfers.
Children and family
Pay while you are off, and what child benefit is worth once income is counted.
Saving, borrowing and bills
Plan a savings target, compare loan payments and estimate electricity costs.
- Savings Goal Calculator When your balance and monthly contributions could reach a target, with an interest assumption you choose.
- Loan Repayment Calculator Compare monthly payments and total interest for two fixed-rate loan plans.
- Appliance Running Cost What a heater or other appliance costs to run, from its watts, hours used and your tariff.
Time and planning
Hours worked, dates, durations and meetings across time zones.
- Time Converter Hours, minutes, seconds, milliseconds, days and weeks, with every duration shown at once.
- Timesheet Calculator Add your shifts, subtract unpaid breaks and see total hours, decimal hours and optional gross pay.
- Meeting Time Planner The same meeting across cities, with local dates and daylight-saving changes accounted for.
- Date Difference Calculator Days, weeks and calendar months between two dates, counted rather than divided.
- Working Days Calculator UK working days between two dates, or added to one, excluding official bank holidays.
Everyday arithmetic
Percentages, shapes and unit conversions. Everyday answers, wherever you are.
- Percentage Calculator A percent of a number, one number as a percent of another, and percentage change.
- Right-Angled Triangle Calculator Any two measurements, and the rest of the triangle: every side, both angles, area and perimeter.
- Volume Calculator The volume of a box, cylinder, sphere or cone, in litres, cubic metres and gallons at once.
- Currency Converter Pounds, euros, dollars and more at the European Central Bank's daily rate, all at once.
- Temperature Converter Celsius, Fahrenheit and Kelvin together, with oven gas marks explained.
- Length Converter Metres, feet, inches, miles and yards, with every unit shown at once.
- Weight Converter Kilograms, stone, pounds and ounces at once, including both kinds of ton.
- Volume Converter Litres, pints, gallons and cups, with UK and US measures kept properly apart.
- Area Converter Square metres, square feet, acres and hectares, for floor areas and land.
- Speed Converter Miles per hour, kilometres per hour, metres per second and knots at once.
Files and documents
Conversions that run in your browser. Nothing is uploaded, so nothing is stored.
- Word to PDF Converter Turn a .docx into a PDF without uploading it. The file never leaves your computer.
- PDF to Word Converter Turn the text of a PDF into an editable Word document without uploading it. Layout is not kept.
- Image to PDF Converter Put JPG or PNG images into one PDF, one page each, without uploading them.
- PDF to JPG Converter Turn each page of a PDF into a JPG or PNG image, at the resolution you choose, without uploading it.
- Merge PDF Files Join several PDFs into one, in the order you choose, entirely in your browser.
- Split PDF Pull a page range out of a PDF, or break it into single pages, without uploading it.
- Organise PDF Pages Preview, reorder, rotate or remove individual PDF pages, entirely in your browser.
Pictures
Convert, resize, crop and adjust images. All of it in your browser, none of it uploaded.
- Image Converter Convert between JPG, PNG and WebP in your browser. A batch comes back as one zip.
- Resize and Compress Images Make a photo small enough to email or upload, with the new size shown before you save.
- Crop an Image Drag to crop, with preset ratios for square, 16:9 and passport, plus rotate and flip.
- Remove a Solid Background Make a flat background transparent. For green screens and product shots, not portraits.
- Black and White Image Converter Black and white, sepia, invert, brightness and contrast, applied live in your browser.
- Image Color Picker Click any pixel for its HEX, RGB and HSL, and see the palette the picture is built from.
Learn and focus
Build typing confidence, test your reactions and make time to concentrate.
- Typing Speed Test Measure words per minute and accuracy over 15, 30, 60 or 120 seconds.
- Learn to Type Learn finger placement, practise each keyboard row and revisit your difficult keys.
- Reaction Time Test Wait for the signal, then react. Compare five-round medians on the same device.
- Focus Timer Set work and break sessions, pause when needed and count completed focus sessions.
Play
A quick break. Arcade games and puzzles with personal bests saved on your device.
- Typing Space Shooter Type the falling words before they reach your ship. Practise accuracy as the pace rises.
- Falling Blocks Rotate and stack falling shapes, clear rows and beat your personal best.
- Space Shooter Dodge enemy fire, clear waves and take on bosses with an upgraded ship.
- Snake Collect food, grow your snake and keep clear of walls and your own tail.
- Sudoku Fresh puzzles with one solution, three difficulty levels, checks and optional hints.
- Memory Pairs Turn over cards, find the matching symbols and finish in fewer moves.
- Number Merge Slide matching tiles together, build bigger numbers and aim for 2048.
Internet
Measure your connection or estimate how long a download will take.
Device checks
Try your keyboard and mouse directly in the browser.
Start with the job you need to do
Check your time and costs
Add shifts and unpaid breaks in the Timesheet Calculator. Use Time Converter for hours, minutes and seconds, or Appliance Running Cost for a device’s energy use.
Understand a slow download
Run the Broadband Speed Test, then enter that speed and a file size in Download Time Calculator. Its worked example explains the difference between Mbps and MB.
Each tool includes instructions, assumptions or worked examples. Read how we build and check the tools, or tell us what needs improving.