Finance
Loan payments, interest and percentages, with the full schedule shown.
- Loan Payment CalculatorCalculate monthly payment, total interest and payoff date, with a full amortisation schedule.
- Compound Interest CalculatorProject savings growth with regular contributions, any compounding frequency, and a year-by-year table.
- IBAN ValidatorCheck an IBAN's checksum and structure against the official registry, and see which bank and country it belongs to.
Other categories
- Image toolsConvert, resize and compress images without uploading them anywhere.
- File & dataMerge PDFs, reshape data files and encode text — all processed locally.
- Text toolsCount, clean and transform text for writing, editing and publishing.
- Developer toolsHashes, identifiers and encoding — the small utilities you reach for daily.
- EverydayUnits, percentages and conversions that come up constantly.
- ConstructionStairs, concrete and roofing, checked against building code limits.