Free Security Check
SSL, headers, DNS, Cloudflare, compression, HTTP/3 and a security score.
Open tool →Password Generator
Generate strong, random passwords. Runs entirely in your browser.
Open tool →DNS Lookup
Check A, AAAA, NS, MX and TXT records for any domain.
Open tool →SSL Checker
Verify HTTPS and HSTS status for any domain.
Open tool →HTTP Headers Checker
Inspect every HTTP response header returned by a domain.
Open tool →Website Speed Test
Response time, page size and compression at a glance.
Open tool →IP Lookup
Find the country, city, ISP and organization behind an IP or domain.
Open tool →JWT Decoder
Decode a JSON Web Token's header and payload — locally, in your browser.
Open tool →Base64 Encoder/Decoder
Convert text to and from Base64 instantly.
Open tool →JSON Formatter
Format, validate and beautify JSON in one click.
Open tool →Linux Command Cheat Sheet
The commands I actually use every day on Linux servers. Free reference, no account needed.
Open tool →Don't have an account yet?
Create free account →