Development
Format SQL queries
sql-formatterDevelopment
Generate robots.txt files for search engine crawlers with configurable rules
robots-txt-generatorDevelopment
Comprehensive SEO analysis and optimization recommendations for websites
seo-optimizationDevelopment
Generate XML sitemaps for search engines with customizable options
sitemap-generatorNetwork
Plan 2.4, 5, and 6 GHz Wi-Fi channels from measured AP channels, widths, and RSSI, with overlap, DFS, and PSC warnings.
wifi-channel-overlap-plannerNetwork
Audit a domain end to end: IANA RDAP bootstrap referral, registry/registrar WHOIS data, and the DNSSEC chain of trust from the root KSK through the TLD DS to the apex DNSKEY — with DS digest verification and RRSIG expiry flags.
whois-rdap-dnssec-chain-validator-and-iana-bootstrap-trust-auditorDevelopment
Decode raw WebSocket frames (hex or base64) byte by byte per RFC 6455: FIN/RSV/opcode, MASK bit, extended lengths, masking key, unmasked payload, close codes, and protocol-violation warnings.
websocket-frame-decoderDevelopment
Connect to any WebSocket (ws:// or wss://) endpoint from your browser, send and receive messages, and inspect open/close/error events with codes — ideal for debugging real-time APIs and sockets
websocket-testerNetwork
Generate a unique webhook capture URL, inspect incoming requests, validate signatures, and replay payloads to a target endpoint
webhook-debugger-relayDevelopment
Generate high-quality website screenshots with customizable options using headless browser
website-screenshotNetwork
Query WHOIS domain registration information including registrar, dates, and name servers
whois-lookupDevelopment
Convert Unix timestamps between hexadecimal and decimal/ISO — paste 0x5F6B3A2F, a bare 8-digit hex value, decimal seconds or milliseconds, or a date, and get every form back.
unix-hex-timestamp-converter