fastchecker
nounUK /ˈfɑːstˌtʃekə/
US /ˈfæstˌtʃekər/
A fastchecker is a person or tool that checks things very quickly.
The fastchecker looked at all the tickets in just one minute.
OTHER MEANINGS
2. A software tool that quickly scans files for mistakes.
The fastchecker found three typos in my essay.
3. A machine that sorts items by checking them at high speed.
The factory's fastchecker sorted a thousand boxes an hour.
4. A person who is known for doing checks without wasting time.
Our fastchecker at the gate kept the line moving.