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Look up common MIME types from file extensions or filenames. Everything runs locally in this tab.
json: application/json
Build a starter Content Security Policy header.
Generate .dockerignore rules for leaner Docker builds.
Generate .gitignore files from common project templates.
Encode text or files to Base64, or decode Base64 strings back to text.
Convert plain text to binary and binary back to readable text.
Convert Unix permissions between rwx and octal notation.
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