An omni-tool is a multi-purpose device widely used in Mass Effect.
An omni-tool is a miniaturized computer, scanner, communicator, and fabrication device. The device itself is implanted in the user's forearm; the user activates it by a neural signal, and then uses a holographic interface to enter complex commands. The miniature fabricator can produce an assortment of tools on demand, such as welding torches or flashlights, and it can also be used produce parts from available materials to repair or modify other equipment in the field.
Militarized omni-tools can have an assortment of advanced combat functions, such as the following:
- Rapidly manufacture small drones that can assist the user in combat
- Produce and launch guided missiles with an assortment of payloads, such as incendiaries or cryogenic devices
- Generate directed electromagnetic pulses
- Produce blades or other instruments for use in close combat