Best Chmod Calculator Ever (stupid Simple)
Quickly generate permissions in numerical and symbolic formats. All options included (recursive, sticky, etc). Ready to copy paste to your terminal in seconds.
Best Chmod Calculator Ever (stupid Simple) launched on June 26, 2017 with 9 votes, #939 of 3,107 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 9 years on.
What it does
Chmod means 'change mode' and it changes file or directory mode bits (the way a file can be accessed). You can use chmod in the command line to change file or directory permissions on unix or unix-like systems such as linux or BSD. You can change permissions using alphanumeric characters (a+rwx) or with octal numbers (777). Each file on a system has a set of permissions associated with it, meaning which users have access and what type of access they have. File access, meaning permissions, can be represented alphanumerically (using symbols like r for read, w for write and x for execute) or using octal numeric values (755 for example). Setuid and setgid (short for 'set user ID upon execution'…from chmodcommand.com
Does a similar job
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Chmod Command Calculator2017 · chmodcommand.com · ▲116Easiest way to generate file or directory permissions
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- CCChmod Calculator2014 · chmodcalc.com · ▲6
A context-aware permission guard for Claude CodeMar 2026 · github.com · ▲127We needed something like --dangerously-skip-permissions that doesn’t nuke your untracked files, exfiltrate your keys, or install malware. Claude Code's permission system is allow-or-deny per tool, but that doesn’t really scale. Deleting some files is fine sometimes. And git checkout is sometimes not fine. Even when you curate permissions, 200 IQ Opus can find a way around it. Maintaining a deny list is a fool's errand. nah is a PreToolUse hook that classifies every tool call by what it actually does, using a deterministic classifier that runs in milliseconds. It maps commands to action types…
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