Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Apr. 15, 2024
Document Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	000-56415
Entity Registrant Name	StartEngine Crowdfunding, Inc.
Entity Address, Address Line One	4100 West Alameda Avenue
Entity Address, Address Line Two	3rd Floor,
Entity Address, City or Town	Burbank
Entity Address State Or Province	CA
Entity Incorporation, State or Country Code	DE
City Area Code	800
Local Phone Number	317-2200
Title of 12(g) Security	Common Stock, $0.00001 par value
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		34,863,194
Entity Central Index Key	0001661779
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Tax Identification Number	46-5371570
Trading Symbol	False
Entity Address, Postal Zip Code	91505
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Entity Public Float	$ 672,898,700
Auditor Name	BF Borgers CPA PC
Auditor Location	Lakewood, CO
Auditor Firm ID	5041
Series A Preferred Stock
Document Information
Entity Common Stock, Shares Outstanding		9,272,044
Series T Preferred Stock
Document Information
Entity Common Stock, Shares Outstanding		482,104
Series Seed Preferred Stock
Document Information
Entity Common Stock, Shares Outstanding		10,240,536