| Cover - USD ($) | 12 Months Ended | ||
| Dec. 31, 2021 | Mar. 29, 2022 | Jun. 30, 2021 | |
| Cover [Abstract] | |||
| Document Type | 10-K/A | ||
| Amendment Flag | true | ||
| Amendment Description | The material weaknesses are described in the amended and restated Item 9A filed herewith. | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Document Period End Date | Dec. 31, 2021 | ||
| Document Fiscal Period Focus | FY | ||
| Document Fiscal Year Focus | 2021 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Entity File Number | 000-55927 | ||
| Entity Registrant Name | SecureTech Innovations, Inc. | ||
| Entity Central Index Key | 0001703157 | ||
| Entity Tax Identification Number | 82-0972782 | ||
| Entity Incorporation, State or Country Code | WY | ||
| Entity Address, Address Line One | 2355 Highway 36 West | ||
| Entity Address, Address Line Two | Suite 400 | ||
| Entity Address, City or Town | Roseville | ||
| Entity Address, State or Province | MN | ||
| Entity Address, Postal Zip Code | 55113 | ||
| City Area Code | (651) | ||
| Local Phone Number | 317-8990 | ||
| Title of 12(b) Security | Common Stock, $0.001 par value | ||
| Trading Symbol | SCTH | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| 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 | ||
| Elected Not To Use the Extended Transition Period | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 8,282,825 | ||
| Entity Common Stock, Shares Outstanding | 111,636,300 | ||
| Auditor Name | M&K CPAS, PLLC | ||
| Auditor Location | Houston, TX | ||
| Auditor Firm ID | 123 |
