Calculates Unix/Linux file permissions interactively. Toggle read, write, and execute permissions for owner, group, and others using checkboxes, and see the numeric (octal) and symbolic notation update in real time. Enter an octal value (like 755) and see the permissions break down. Essential for DevOps and system administration.
| Entity | Read (4) | Write (2) | Execute (1) | Value |
|---|---|---|---|---|
| Owner | 7 | |||
| Group | 5 | |||
| Others | 5 |
Toggle permissions or enter a chmod value to understand and calculate Unix file permissions instantly.
Compare two blocks of text and highlight the differences.
Test regular expressions against sample text with live match highlighting.
Generate one or many UUIDs (v4) instantly.
Count characters against Twitter, LinkedIn, and SMS limits.
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text.
Escape special characters for JSON strings, or unescape JSON string values.