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Cover
Feb. 24, 2022
Entity Addresses [Line Items]  
Document Type 8-K
Document Period End Date Feb. 24, 2022
Entity Registrant Name NERDWALLET, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40994
Entity Tax Identification Number 45-4180440
Entity Address, Address Line One 55 Hawthorne St.
Entity Address, Address Line Two 11th Floor
Entity Address, City or Town San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94105
City Area Code 415
Local Phone Number 549-8913
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A common stock, $0.0001 par value
Trading Symbol NRDS
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Amendment Flag false
Entity Central Index Key 0001625278
Entity Ex Transition Period false
Former Address  
Entity Addresses [Line Items]  
Entity Address, Address Line One 875 Stevenson St.
Entity Address, Address Line Two 5th Floor
Entity Address, City or Town San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94103