System tools

Calculate the price per gigabyte (GB) for storage devices, cloud storage, or hosting plans. Compare storage costs across different units.

Calculate SSD endurance metrics: DWPD (Drive Writes Per Day), TBW (Terabytes Written), daily write limits, and expected lifespan.

Compose rsync commands with common SSH, sync, and filter options.

Bidirectional converter between Docker Compose YAML and Docker run commands. Convert docker-compose.yml files to docker run commands or vice versa. Simplify Docker container management and deployment workflows.

Identify the MIME type of a file by analyzing its content signature (magic numbers). Compare browser-reported MIME type with actual file content.

Parse User-Agent string to identify browser, operating system and device details.

Calculate RAID array capacity, redundancy, and performance characteristics for all RAID types.

Monitor your device's battery status in real-time, including charge level, charging state, and estimated time remaining.

Experience realistic mechanical keyboard typing with authentic sounds and visual feedback

Test your keyboard's n-key rollover capability. Press multiple keys simultaneously to see how many keys your keyboard can register at once.

Test your QWERTY ANSI Windows keyboard. Press keys to see them light up, track key presses, and verify that all keys are working correctly.

Test your QWERTY ANSI 60% Windows keyboard. Compact 61-key layout without function keys, arrow keys, or numpad. Press keys to see them light up and verify all keys work correctly.

Test your QWERTY Russian Windows keyboard with Cyrillic characters. Press keys to see them light up, track key presses, and verify that all keys are working correctly. Based on the standard JCUKEN layout.

Test your QWERTY Estonian Windows keyboard with special Estonian characters (õ, ä, ö, ü). Press keys to see them light up, track key presses, and verify that all keys are working correctly. Based on the ISO layout.

Test your QWERTY Swedish Windows keyboard with special Swedish characters (å, ä, ö). Press keys to see them light up, track key presses, and verify that all keys are working correctly. Based on the ISO layout.

Test your QWERTY Finnish Windows keyboard with special Finnish characters (å, ä, ö). Press keys to see them light up, track key presses, and verify that all keys are working correctly. Based on the ISO layout.

Test your QWERTY Finnish/Swedish macOS keyboard with special Scandinavian characters (å, ä, ö) and Apple-specific keys. Press keys to see them light up, track key presses, and verify that all keys are working correctly. Features command, option, and control keys typical of Mac keyboards.

Generate customizable test print pages for printer calibration and quality testing. Create pages with color bars, grayscale gradients, alignment marks, text samples, and grid patterns.