Kronos Timer от Nikola Markovic

Whether you are doing a freelance job or doing simple tasks in your everyday life, this small extension will help you to keep up the track of your spent time.

Features:
- Fast, simple and lightweight
- Save and sync across the multiple devices
- Saving time logs under different labels defined by you
- Sound reminders and possibility to choose different sounds
- Keyboard shortcuts
- Timer limit
- Colored statuses
- Option to pause timer automatically if idle
- Export logs as CSV file