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Chmod Calculator
Calculate Linux/Unix file permissions online. Set owner, group, and others permissions with checkboxes and get the octal value, symbolic notation, and chmod command instantly.
chmodfile permissionslinux +7
Line Ending Converter
Convert text between Unix (LF), Windows (CRLF), and Classic Mac (CR) line endings. Detect mixed endings, view counts, trim trailing whitespace, and copy or download the result — all client-side.
line endingeollf +8
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and dates to epoch time. Supports seconds, milliseconds, UTC, and local timezone.
unixtimestampepoch +2