Network Subnet Calculator

Calculates network details (network address, broadcast, usable hosts) from an IP and mask. Essential for networking and system administration.

IP Address:

CIDR (/prefix) or Subnet Mask:

JSON Formatter & Validator

Formats raw JSON for readability and validates its syntax. Invaluable for developers working with APIs and configuration files.

Enter JSON:

Formatted JSON / Errors:

Converts numbers between binary (base 2), decimal (base 10), and hexadecimal (base 16). Fundamental for understanding computer data.

Decimal (Base 10):

Binary (Base 2):

Hexadecimal (Base 16):

Converts text to URL-encoded format and decodes it back. Essential for web development, API testing, and troubleshooting.

Enter Text or URL:

Result:

Converts between human-readable dates and Unix timestamps. Useful for analyzing logs, debugging APIs, and system administration.

Enter Unix Timestamp (seconds or milliseconds):

Enter Date/Time:

Result:

Generates Universally Unique Identifiers (UUIDs) for unique identification in computer systems and distributed applications.

Generated UUID:

Translates CRON expressions into human-readable descriptions. Useful for system administrators and developers scheduling tasks.

Enter CRON Expression (5 or 6 fields):

Explanation:

Converts color values between Hexadecimal, RGB, and HSL formats. Essential for web developers and designers.

Hexadecimal:

RGB:

HSL:

Color Picker:

Tests regular expressions against sample text, highlighting matches. Essential for text processing and data validation.

Regex Pattern:

Flags (optional):

Test String:

Matches: