Free Online Tools
A growing collection of fast, privacy-friendly tools for developers and everyday use — no signup required.
Network Tools
What Is My IP
Show your public IP, ISP & location
DNS Lookup
Query A, AAAA, MX, TXT, NS records
IP Geolocation Lookup
Country, city, ISP & ASN for any IP
Reverse IP Lookup
Domains hosted on the same server
SSL Certificate Checker
Verify HTTPS cert & expiry
Ping Test
Measure response time & packet loss
Website Uptime Checker
Is it up or down right now?
Website Down Checker
Is it down for everyone or just you?
Port Scanner
Scan common open ports on any host
Whois Lookup
Domain owner, expiry, nameservers
VPN / Proxy / Tor Detection
Check if your IP uses a privacy service
IP Blacklist Checker
Check IP against Spamhaus, Barracuda & DNSBLs
HTTP Headers
Inspect response headers of any URL
Subnet Calculator
IPv4 CIDR, mask & host range
MAC Address Lookup
Find vendor/OUI from MAC address
SEO Tools
Image Tools
Design Tools
Developer Tools
QR Code Generator
Create QR codes from text or links
Password Generator
Strong secure random passwords
JSON Formatter
Format, validate & minify JSON
Base64 Encoder
Encode & decode Base64 text
Hash Generator
MD5, SHA-1, SHA-256, SHA-512
JWT Decoder
Decode JWT header & payload
Regex Tester
Live match highlighting
Timestamp Converter
Unix epoch ⇄ human date
UUID Generator
Generate v4 UUIDs in bulk