Useful tools. Less hassle.
Simple, fast and free tools for everyday work. No account needed. Your files stay in your browser.
Start with something useful
One reliable tool at a time. Designed for phones, desktops and slow connections.
Images to PDF
Turn JPG, PNG or WebP images into one PDF, privately in your browser.
Compound Interest & Monthly Savings Calculator
Estimate future savings using monthly compounding and deposits at each month’s end. Annual rate is constant; taxes, fees and inflation are excluded. Illustrative estimate only.
Date Difference & Business Days Calculator
Calculate calendar days and weekdays between two dates. The start date is included, the end date excluded. Weekends are excluded; public holidays are not deducted.
Percentage Change Calculator
Calculate percentage increase or decrease and the amount changed from a positive starting value to a final value. A zero or negative starting value is not supported.
More tools are on the way
One reliable tool at a time. Designed for phones, desktops and slow connections.
No matching tools. Try another keyword.
Simple by design
Open a tool, add your input and get your result. No account, no unnecessary steps.
Turn JPG, PNG or WebP images into one PDF, privately in your browser.
Your files are processed on your device and are not uploaded to OKUNELO.
Tools for the whole world
Choose your language. Built to be easy to use, including on mobile devices and slower networks.