GitHub killertools.net

KillerFind

~/killerfind
$ killerfind C:\Users

found [*.log] — 142 files matched
found [error_code] — 38 files, 91 line matches
searched 14,203 files in 2.4s

No indexing. No agent. No account. No telemetry.
Free. Open. GPLv3. Built by a field tech, for field techs.

$
Download for Windows (.exe)
Windows 10/11 x64 · .NET Framework 4.8
$ KillerFind v0.1.0 · released 4/26/2026
SHA2567e1a2928a75d6aa7d4b5c76f5372d44cac008c189cb1d8b918ec8d2a100618fe
Open source under GPLv3. View on GitHub →

What it does

Filename Search

Wildcard patterns like *.log or report_*.xlsx matched against every filename in the tree. Results stream in real time with no pre-indexing.

Content Search

Streams through files line by line without loading them into RAM. Shows matched lines with line numbers, and skips binary files automatically.

Multiple Terms

Run several filename and content searches in a single pass. Each term is independently tracked with its own match count so you can see which patterns hit.

Include / Exclude Filters

Semicolon-separated patterns narrow or limit the search scope by extension or directory segment — e.g. *.txt;*.log or node_modules.

Case Sensitive

Optional toggle applies to both filename and content searches. Default is case-insensitive so you don't have to think about it.

Explorer Integration

Click any result header to reveal the file in Explorer with it selected. Right-click for a context menu to open the file directly in its default app.

HTML Export

Export results as a self-contained HTML report with matched lines, line numbers, and search metadata. Opens in any browser, no dependencies.

No Installer Required

Single EXE, runs from anywhere. No runtime to install beyond .NET Framework 4.8, which ships with Windows 10 1903+ and Windows 11.