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Summary of significant accounting policies (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Schedule of Property and equipment useful lives
   
    Useful Life
Leasehold improvements   Shorter of the remaining lease
terms or estimated useful lives
Electronic devices   3-5 years
Office equipment, fixtures and furniture   3-5 years
Automobile   3-5 years
Computer and network equipment   3-5 years
Schedule of Intangible assets useful lives
   
    Useful Life
Licensed software   5 years
Capitalized development cost   5 years
Platform development   5 years
Customer relationship   4 years 
Land use right   40 years
Schedule of Noncontrolling interests
          
   December 31,  December 31,
   2021  2020
       
Infobird Guiyang  $(73,283)  $245,009 
Infobird Anhui   (12)   (781)
Shanghai Qishuo   923,447     
Total  $850,152   $244,228