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Magika vs lemmeknow: catalog facts
Magika	lemmeknow

Best for: Security analysts and developers who need reliable file type identification	Best for: Developers and analysts inspecting unfamiliar strings or captured data
Free Free and open source under the Apache-2.0 licence.	Free Free under the MIT license.
Windows, Web, Command line	Command line
Detects over 200 content types with high reported accuracy Small model that runs quickly on a CPU Browser demo processes files locally Used in production at Google and VirusTotal	Analyzes text and files Can output results as JSON Available as an executable and through Cargo or Nix
Classification can still be wrong on unusual or crafted files Command-line focus with no desktop interface	Focused on identifying patterns in text.
Downloadable app, Web application	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for Magika securityresearch.google/magika Catalog checked October 2, 2026	Official website Full listing and sources Sources for lemmeknow github.com/swanandx/lemmeknow Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.