Free Privacy & Network Tools

IP Address Checker

See your public IP, location, ISP, and privacy score

DNS Leak Test

Verify your VPN isn't leaking DNS queries to your ISP

WebRTC Leak Test

Detect if WebRTC exposes your real IP through the browser

Browser Fingerprint

See how unique and trackable your browser configuration is

Privacy Checkup

Run 6 tests and get a shareable privacy grade from A+ to F

VPN & Proxy Detector

Check if your VPN or proxy is properly masking your connection

Torrent Leak Test

Verify your real IP isn't exposed during P2P activity

Email Breach Check

Check if your email appears in known data breaches

Speed Test

Measure download, upload, and latency via Cloudflare

Port Scanner

Scan for open ports that could be security risks

IP Lookup

Geolocation, ISP, and network details for any IP address

ASN Lookup

Find the Autonomous System, org, and country for any IP or ASN

DNS Lookup

Check A, AAAA, MX, TXT, NS, and CNAME records

WHOIS Lookup

Domain registrar, creation date, expiry, and nameservers

Reverse DNS

Find the hostname (PTR record) for any IP address

Traceroute

Visualize network path and hops to any destination

Down Checker

Check if any website is down or responding

IP Blacklist Check

Scan your IP against 12+ spam and abuse blacklists

Bulk IP Lookup

Geolocate up to 50 IP addresses at once

Email Header Analyzer

Trace sender IP and check SPF/DKIM/DMARC authentication

Password Strength

Analyze entropy, patterns, and breach exposure

Password Generator

Generate strong random passwords and passphrases

SSL/TLS Checker

Check your connection's TLS version and security rating

Security Headers

Grade any site's HSTS, CSP, X-Frame-Options, and more

Email Auth Checker

Check any domain's MX, SPF, and DMARC configuration

Browser Info

Detect browser, OS, screen, and device details

Screen Resolution

Screen size, viewport, pixel ratio, and color depth

User Agent

Full user agent string with parsed browser and OS

HTTP Headers

View all headers your browser sends to websites

Timezone

Detect timezone, UTC offset, and DST status

Language

Browser language settings and Accept-Language header

IP Location

Approximate location from your IP address

Base64 Encode/Decode

Convert text to Base64 and back

JSON Formatter

Prettify, minify, and validate JSON data

Hash Generator

Generate SHA-256, SHA-1, and MD5 hashes

URL Encode/Decode

Encode and decode URL strings

QR Code Generator

Create QR codes from text or URLs

Subnet Calculator

Calculate network address, host range, and masks

CIDR Calculator

IP range from CIDR notation with usable hosts

IP Address Converter

Convert IPv4 between dotted decimal, integer, hex, and binary

IP Range to CIDR

Convert a start-and-end IP range to the minimal CIDR blocks

IP in CIDR Checker

Check whether an IP falls inside one or more CIDR blocks

Special-Use IP Checker

Classify any IP against the IANA special-use registry

IPv6 Expand & Compress

Expand, compress, and reverse-DNS any IPv6 address

MAC Address Tool

Normalize a MAC, decode the bits, derive the EUI-64 and IPv6

JWT Decoder

Decode and inspect JSON Web Token claims and expiry

Unix Timestamp Converter

Convert epoch timestamps to human dates and back

UUID Generator & Decoder

Generate v4 and v7 UUIDs and decode version and timestamp

Embed Widget

Add a free IP checker to your website

Free API

JSON API for IP, DNS, WHOIS, and headers

Security Guides

90+ in-depth privacy and security guides

IP by Country

Browse IPs and privacy info by country

ISP Directory

100+ ISPs worldwide with reputation data

Cybersecurity News

Latest security news aggregated from top sources

Free IP API Comparison

HackMyIP vs IPinfo vs ipapi vs ip-api, source-verified

IPinfo Free Alternative

What each free tier actually includes, verified

BrowserLeaks Alternative

Leak tests + fingerprinting + free API, honestly compared

whatismyipaddress.com Alternative

Ad-free and API-first, source-verified comparison