Hashcat Rule Extractor

Email Rule Extractor

Generate Hashcat rules from email list patterns. Analyzes trailing digits, username formats, and domain patterns to produce targeted rule files.

Dual format support Pattern recognition Domain filtering Client-side only

Upload Email List

Email List File

Drag & drop email list or click to browse

One email per line · .txt, .csv (hash:email or plain)

Domain Filter (optional)

Comma-separated, case-insensitive. Only keep matching domains.

Extract trailing digit patterns only (skip emails without trailing digits in username)

Extraction Workflow

Parse addresses

Split each email into username and domain. Supports hash:email format.

Pattern analysis

Detect recurring digit suffixes or full local-part depending on option.

Generate rules

Produce Hashcat rule syntax ($c$h$a$r$...).

Export

Download .rule file ready for Hashcat (-r).

Supported Formats

user@domain.com
Standard email format

hash:user123@domain.com
Hash:Email (colon separated)

user+tag@domain.com
Sub-addressing (local-part fully used)