Web Tools
QR, password and useful web utilities.
QR Code Generator
Generate QR codes for links and text.
On your device
QR Code Reader
Read QR codes from uploaded images.
On your device
Password Generator
Create strong random passwords.
On your device
Barcode Generator
Create CODE128, EAN-13 or CODE39 barcodes locally.
On your device
DNS Lookup
Look up A, AAAA, MX, TXT and other public DNS records.
Server processing
IP Lookup
Read public IP allocation and registration data through RDAP. This is not precise geolocation.
Server processing
WHOIS / RDAP
Check public domain registration data. Private owner information may be redacted.
Server processing
SSL Checker
Verify a public domain certificate and see its expiry date.
Server processing
HTTP Header Checker
Inspect the first HTTP response headers without following redirects.
Server processing