Cyber tools

Quick converters and subnet sizing that run in your browser.

Binary converter

Input

Output

Input

Output

How many usable devices?

CIDR/27

Subnet mask255.255.255.224

Usable hosts30

Wildcard0.0.0.31

30 devices fits in /27.

Local file checks, device-maker lookups, IP info, and clean metadata extraction.

Text to hash File to hash

Hash output

Old hash

New hash

Paste two hashes to compare them.

Files up to 100 MB are supported.

MAC address

Shows the device maker/vendor, not the exact personal device.

IP address or domain

Map appears after a lookup.

Public IP locations are approximate.

File to inspect

Raw extracted data

Images, PDFs, text files, and common documents up to 100 MB are supported.