UltCalc – Free Online Calculator Collection
A collection of free utility tools you can use instantly without installation.
Compass
You can check your direction and azimuth using your smartphone.
Speedometer
Measure your current speed using GPS.
Area Measure
Calculate distance and area on the map.
Gomoku
Play 15×15 Gomoku directly in your browser.
Current Time (Seconds)
View local time and UTC in real time with seconds.
Barcode Generator
Generate and download barcodes such as CODE128, EAN-13, and UPC.
QR Code Generator
Create URL and text QR codes for free.