Identify a file's real type from its magic bytes and spot extension mismatches, locally in your browser.
Drop a file here, or click to choose
Any file type · only the first 64 KB is read, so huge files are fine
FAQ
Related · Developer
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Shortcuts to tools that fit the same workflow.
User Agent Parser
View your browser's user agent and parse any UA string into browser, engine, OS, and device, locally in your browser.
docker run → Compose
Convert a docker run command into a docker-compose.yaml service, locally in your browser.
Manual acme.sh
Generate Cloudflare DNS certificate commands and Nginx certificate configuration locally.
SSH Config Generator
Build OpenSSH client config templates locally, with paths, commands, and file references.
UUID Generator
Generate random v4 and time-ordered v7 UUIDs in bulk
Session Secret
Generate lowercase hex secrets equivalent to openssl rand -hex 32 or 64