OpsBench

24 tools. One page. No hunting.

DNS, certificates, network, server, encoding and developer tools — sorted by what you are working on. Free, and nothing to install.

● local = runs entirely in your browser· nothing you paste is stored

POPULARSSL Checker POPULARLet's Encrypt Wizard POPULARDNS Lookup POPULARHTTP Header Analyzer

Filter tools 24 tools

DNS3

DNS Lookup ● local ★︎ Every record type, via DoH Bulk DNS Lookup ● local ★︎ Many domains, CSV export Host Search ★︎ Find subdomains

SSL & Certificates10

Let's Encrypt Wizard ★︎ Free cert in 4 steps SSL Checker ★︎ Chain, expiry, hostname PEM to PFX ★︎ Bundle for IIS / Windows CSR Generator ★︎ Key + CSR with SANs CSR Decoder ★︎ Read & verify a CSR CRT Decoder ★︎ Read any certificate Key & CRT Match ★︎ Does the key fit? Certificate Transparency Search ★︎ Every cert ever issued TLS Protocol Scan ★︎ TLS 1.0–1.3 + ciphers PFX to PEM ★︎ Unpack .pfx / .p12

Network5

Whois ★︎ Registrar, dates, NS Blacklist Check ★︎ 51 spam blocklists HTTP Header Analyzer ★︎ Security, cache, redirects Reverse IP Lookup ★︎ Domains on the same IP IP Info ★︎ Geo, ASN, reverse DNS

Server1

htpasswd Generator ★︎ bcrypt / APR1 / SHA lines

Encoding2

Base64 Encode / Decode ● local ★︎ UTF-8 safe URL Encode / Decode ● local ★︎ Query strings & URLs

Developer3

HTML Sandbox ● local ★︎ Live HTML/CSS/JS WYSIWYG Editor ● local ★︎ Rich text → clean HTML I or L Checker ● local ★︎ l I 1 O 0 + homoglyphs

Keys and certificates stay yours.Server-side tools work in memory and return the result once. Nothing is logged or kept.

Generate a CSR →