Tools

chmod Calculator

Calculate Unix file permissions visually. Toggle read, write, and execute for owner, group, and others to get the octal value and chmod command.

Cron Expression Parser

Parse, validate, and explain cron expressions with human-readable descriptions and upcoming run times.

Markdown Preview

Write and preview Markdown live in the browser with GitHub Flavored Markdown support.

Text Diff Checker

Compare two blocks of text line by line and highlight every addition, deletion, and unchanged line.

Word Counter

Count words, characters, sentences, and paragraphs with live reading time estimation.