A free toolbox of network, recon, media and utility tools — no install, runs right in your browser.
Free for everyone with a daily limit per IP. Create a free account for higher limits and member-only tools.
Resolve all DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA…) for a domain.
Free — daily limit per IP
OpenQuery registry WHOIS for ownership, registrar and expiry details of a domain.
Free — daily limit per IP
OpenLook up country, ASN, organisation, threat flags and reverse-DNS for any IP.
Free — daily limit per IP
OpenProbe a domain against a built-in wordlist to discover live subdomains.
Free — daily limit per IP
OpenTrace the network path and hop latency to a destination host.
Free — daily limit per IP
OpenExtract every available thumbnail resolution from a YouTube URL.
Free — daily limit per IP
OpenQueue a download of audio/video from a supported media URL.
Free — daily limit per IP
OpenQueue a full-page screenshot capture of any public web page.
Free — daily limit per IP
OpenCompute MD5, SHA-1/256/512, CRC32B, RIPEMD-160 and Whirlpool digests of text.
Free — daily limit per IP
OpenMembers get far higher daily quotas, priority processing and heavier tools like the media downloader and screenshot capture.
Join free