All Tools

Calculate a percentage of a number, percentage change or one number as a percentage of another.

Find sale price and savings, including successive percentage discounts.

Calculate completed years, months and days between a birth date and a reference date.

Count days and weeks between two dates, optionally including the end date.

Add or subtract days, weeks, months and years from a date.

Calculate shift duration, next-day finishes and paid hours after unpaid breaks.

Convert length, weight, temperature, area, volume and speed.

Estimate fixed-rate monthly repayments and view a full amortisation schedule.

Estimate repayment or interest-only mortgage payments from property price and deposit.

Project savings with regular contributions and chosen compounding frequency.

Calculate selling price, profit, margin and markup without confusing the two.

Add or remove VAT at a rate you enter and show net, VAT and gross amounts.

Compress JPG, PNG and WebP images in your browser with size targets and batch downloads.

Resize images by exact dimensions or percentage, with fit, crop and stretch previews.

Convert JPG, PNG and WebP individually or in batches, with transparency controls.

Merge, reorder, rotate, extract or split PDF pages entirely in your browser.

Combine images into a PDF with page size, orientation, margins and layout previews.