Online Tools

Encode URL components, decode URLs, parse query parameters, detect tracking fields, inspect nested redirects and copy clean URLs for debugging.

Encode and decode Base64 locally, handle Base64URL and padding, inspect bytes, read small files, generate data URIs and review security notes.

Format JSON locally, validate syntax, query nested values, explore paths, compare payloads, inspect structure and copy or download the output you need.

Run a reverse DNS lookup for an IP address or hostname, inspect PTR records, check forward match consistency and understand mail server hygiene.

Look up WHOIS data for a domain, parse registrar, expiry date, nameservers, status codes, DNSSEC, renewal risk and DNS context.

Check TCP ports for a host or public IP, use service profiles, read exposure notes, review common ports and copy a firewall troubleshooting report.

Run repeated website status checks, compare final responses with first-response headers and redirect path, and build an availability report for troubleshooting and technical SEO.

Trace redirect chains, compare HTTP and hostname variants, inspect migration URLs and review final canonical signals from one redirect audit.

Check live HTTP response headers, security policy coverage, cache and compression clues, redirect path context, cookie flags and raw server signals from one practical report.

Check the TLS certificate served for a host, review expiry, issuer, subject, SAN coverage, expected hostnames and HTTPS context before renewal or launch.