IT Tools

Tracking since Apr 16, 2026.

Changelog

• May 9, 2026
  description

  IT Tools is a developer utility toolkit available from your browser toolbar — no internet connection required, nothing leaves your machine.
  
  Encode & Decode: Base64, Base64 URL, URL encoding, Hex, HTML entities, ROT13, JWT inspection, MD5, SHA-1/256/512
  
  Prettify & Minimize: JSON, HTML, XML, CSS, SQL, JavaScript — format or compact in one click
  
  Convert: Unix timestamps, number bases (binary/octal/hex/decimal), color formats (HEX/RGB/HSL) with eyedropper — pick any color from the screen including outside the browser window
  
  Generate: UUID v4, passwords (length, charset options), HMAC signatures (MD5, SHA-1, SHA-256, SHA-384, SHA-512 — output as Hex, Base64, or Base64URL)
  
  Network: CIDR calculator — enter an IP range in CIDR notation (e.g. 192.168.1.0/24) to instantly get the subnet mask, network address, and broadcast address
  
  Right-click menu: Select any text on a page → encode or decode instantly, result copied to clipboard
  
  All processing is done locally in your browser. No tracking, no external requests.

  IT Tools is a developer utility toolkit available from your browser toolbar — no internet connection required, nothing leaves your machine.
  
  Encode & Decode: Base64, Hex, HTML entities, JWT inspection, hashing and more.
  
  Prettify & Minimize: JSON, HTML, SQL and more - format or compact in one click.
  
  Convert: Unix timestamps, number bases (binary/octal/hex/decimal), color formats (HEX/RGB/HSL) with eyedropper — pick any color from the screen including outside the browser window
  
  Generate: UUID v4, passwords, HMAC signatures.
  
  Network: CIDR calculator - enter an IP range in CIDR notation (e.g. 192.168.1.0/24) to instantly get the subnet mask, network address, and broadcast address
  
  Right-click menu: Select any text on a page -> encode or decode instantly, result copied to clipboard
  
  All processing is done locally in your browser. No tracking, no external requests.

• May 4, 2026
  description

  IT Tools is a developer utility toolkit available from your browser toolbar — no internet connection required, nothing leaves your machine.
  
  Encode & Decode: Base64, URL encoding, Hex, HTML entities, ROT13, JWT inspection, MD5, SHA-1/256/512
  
  Prettify & Minimize: JSON, HTML, XML, CSS, SQL, JavaScript — format or compact in one click
  
  Convert: Unix timestamps, number bases (binary/octal/hex/decimal), color formats (HEX/RGB/HSL)
  
  Right-click menu: Select any text on a page → encode or decode instantly, result copied to clipboard
  
  All processing is done locally in your browser. No tracking, no external requests.

  IT Tools is a developer utility toolkit available from your browser toolbar — no internet connection required, nothing leaves your machine.
  
  Encode & Decode: Base64, Base64 URL, URL encoding, Hex, HTML entities, ROT13, JWT inspection, MD5, SHA-1/256/512
  
  Prettify & Minimize: JSON, HTML, XML, CSS, SQL, JavaScript — format or compact in one click
  
  Convert: Unix timestamps, number bases (binary/octal/hex/decimal), color formats (HEX/RGB/HSL) with eyedropper — pick any color from the screen including outside the browser window
  
  Generate: UUID v4, passwords (length, charset options), HMAC signatures (MD5, SHA-1, SHA-256, SHA-384, SHA-512 — output as Hex, Base64, or Base64URL)
  
  Network: CIDR calculator — enter an IP range in CIDR notation (e.g. 192.168.1.0/24) to instantly get the subnet mask, network address, and broadcast address
  
  Right-click menu: Select any text on a page → encode or decode instantly, result copied to clipboard
  
  All processing is done locally in your browser. No tracking, no external requests.

Permissions & access

Permissions

storageactiveTabcontextMenusscripting

Host access

None declared

Screenshots