8 Tools

JavaScript Tools

Free online JavaScript utilities — test regular expressions, generate UUIDs and passwords, build cron expressions, obfuscate and deobfuscate JavaScript code.

RegexUUIDCronPasswordObfuscator

All JavaScript Tools

JavaScript Obfuscator
Obfuscate JavaScript to protect source code.
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JavaScript Deobfuscator
Deobfuscate and clean up minified JS.
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Regex Tester
Test and debug regular expressions live.
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Cron Expression Generator
Build cron expressions with visual scheduler.
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UUID Generator
Generate UUIDs (v1, v4) instantly.
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Random String Generator
Generate random strings with custom charset.
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Random Number Generator
Generate random numbers in any range.
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Password Generator
Create strong, secure passwords instantly.
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What are JavaScript Tools?

JavaScript utilities help developers speed up common development tasks — from testing regular expressions to generating secure passwords and UUIDs. These browser-based tools work instantly without any setup.

Key Benefits

  • Test regex patterns with real-time match highlighting
  • Generate UUIDs in v1 and v4 formats
  • Create strong passwords with custom complexity rules
  • Build cron schedules with a visual interface
  • Obfuscate JS to protect your intellectual property

Available Tools

JavaScript Obfuscator JavaScript Deobfuscator Regex Tester Cron Expression Generator UUID Generator Random String Generator Random Number Generator Password Generator

Frequently Asked Questions

Regular Expressions (regex) are patterns used to match character combinations in strings. They're used in validation, search, and text processing.

A UUID (Universally Unique Identifier) is a 128-bit identifier that is unique across time and space. UUID v4 is randomly generated.

Yes — obfuscation happens in your browser. Your code is never sent to our servers. The output is functionally equivalent to the input.

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