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Dev tools · March 3, 2023

Nosey Parker, a fast and low-noise secrets detector for textual data

Nosey Parker is an Apache-licensed command-line tool that finds secrets and sensitive information in textual data. It's useful both for offensive and defensive security testing. The big idea: textual content in, hardcoded secrets out. These include things like API keys and passwords. It should do a reasonable job on any textual input. It will recursively scan any directories it is pointed at. It also has special support for scanning the complete contents of Git repositories. The default rules in Nosey Parker have been carefully chosen to minimize false positives. Many API tokens these days…

Nosey Parker, a fast and low-noise secrets detector for textual data launched on March 3, 2023 with 65 votes, #1,460 of 5,007 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 3 years on.

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In plain words

Nosey Parker is an Apache-licensed command-line tool that scans textual data to find hardcoded secrets like API keys and passwords. It recursively searches directories and has special support for Git repositories. Designed for both offensive and defensive security testing, it uses carefully chosen rules to minimize false positives and deduplicates findings for higher accuracy. The tool is fast and handles any textual input reasonably well.

written from the facts on this page · September 2026

From the sources

Nosey Parker is a command-line tool that finds secrets and sensitive information in textual data and Git history. - praetorian-inc/noseyparker

In the maker’s words, at launch

Nosey Parker is an Apache-licensed command-line tool that finds secrets and sensitive information in textual data. It's useful both for offensive and defensive security testing. The big idea: textual content in, hardcoded secrets out. These include things like API keys and passwords. It should do a reasonable job on…

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