Cron Expression Parser
Parse, validate, and explain cron expressions in plain English. Preview the next scheduled run times for any 5-field cron schedule.
Chmod Calculator
Calculate Unix file permissions. Toggle read, write, and execute for owner, group, and others, or type an octal mode to see the symbolic notation and chmod command.
Permissions
Edit the octal mode or tick the checkboxes; both stay in sync.
Presets
| Class | Read | Write | Execute | Value |
|---|---|---|---|---|
| Owner | 7 | |||
| Group | 5 | |||
| Others | 5 |
Special bits
Result
Symbolic notation and the matching chmod command.
Octal
755
Symbolic
rwxr-xr-x
Command
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