$megatools --chmod-calculator --client-side

Chmod Calculator

Compute file permissions from checkboxes or octal. Symbolic and numeric output.

Quick Linux Presets:

Octal Chmod Mode:0755

Symbolic Notation:rwxr-xr-x

Permission Bits Matrix

ownerread (4)write (2)execute (1)

groupread (4)write (2)execute (1)

othersread (4)write (2)execute (1)

Special Permissions (SUID / SGID / Sticky)

SetUID (4)SetGID (2)Sticky Bit (1)

Type Octal to Inspect (e.g. 755 or 0644)

$ cat tips.txt

Bitwise Logic

How to Use

1Toggle Read/Write/Execute per owner, group, public
2Or type an octal like 755 to sync checkboxes
3Copy either notation for your terminal

Stats

Octal Notation:0755 (755)

Symbolic:rwxr-xr-x

Special Bits:None

Tips

•755 = rwxr-xr-x, common for scripts and directories
•644 = rw-r--r--, common for config files
•Avoid 777 — world-writable files are a security risk

Example

Input

owner: rwx, group: r-x, public: r-x

Output

755 → rwxr-xr-x

$ cat tips.txt

Bitwise Logic

How to Use

1Toggle Read/Write/Execute per owner, group, public
2Or type an octal like 755 to sync checkboxes
3Copy either notation for your terminal

Stats

Octal Notation:0755 (755)

Symbolic:rwxr-xr-x

Special Bits:None

Tips

•755 = rwxr-xr-x, common for scripts and directories
•644 = rw-r--r--, common for config files
•Avoid 777 — world-writable files are a security risk

Example

Input

owner: rwx, group: r-x, public: r-x

Output

755 → rwxr-xr-x

|SYS:ISOLATED_SANDBOX|MODULES:115 PKGS

LATENCY:0.0ms|SYNCING...

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