Tool Categories
Browse all free technical tools from BKNS by category.
Domain
Tools for domain lookup and management
SSL & Certificates
Check, decode and manage SSL/TLS certificates for your website
DNS & Email
Check DNS records, email configuration and SPF/DKIM/DMARC authentication
Network & IP
Network checking tools: IP, ping, traceroute and port scanning
Utility
Utility tools for developers and webmasters
Dev Tools
Essential utilities for developers to encode, decode, format, and validate code across multiple languages and formats. Streamline your development workflow with tools for JSON, XML, HTML, YAML, Base64, URLs, and more.
SEO & Website
Essential SEO and website optimization tools to improve your site's visibility, technical health, and search engine rankings. Validate your meta tags, generate sitemaps, configure server settings, and monitor HTTP headers all in one place.
AI & Data
Tools for working with AI, LLMs and data processing