OSINTYourself

Email & Phone Lookup

h8mail

Open sourceDual-use

Email OSINT and breach-hunting tool that pulls exposures for an address.

h8mail is an open-source command-line utility designed for email address reconnaissance. It aggregates publicly available data to identify potential data breaches and other online exposures associated with a specific email address. Security researchers and investigators use it to assess the digital footprint and risk profile of a target account.

Dual-use tool. This tool can be used for research and investigation, and also to find, track or identify people without their consent. Listing it here is not an endorsement of either use.
Privacy note. Reveals which breaches your email appears in — check your own exposure.

Official site: https://github.com/khast3x/h8mail

Source: https://github.com/khast3x/h8mail

Last verified 2026-08-31.

Description drafted with an AI model. How entries are checked.