Swiss Army Dev — Privacy-first developer toolkit Tools: /json JSON formatter & validator /uuid UUID v4, v7, ULID, nanoid generator /encode Base64, URL, HTML, hex encode/decode /hash SHA-1, SHA-256, SHA-512 /ip Your IP, geo, headers /qr QR code generator /timestamp Unix ↔ human-readable /cron Cron expression explainer /chmod Unix permissions calculator /jwt JWT token decoder /escape String escaper (regex, shell, SQL, JSON, CSV, XML) /convert JSON ↔ YAML converter /regex RegEx tester with match highlighting /diff Text diff comparison /color Color converter & contrast checker /password Secure password generator /lorem Lorem ipsum generator /case Case converter (camel, snake, kebab, etc.) /count Word & character counter /url URL parser /csv CSV ↔ JSON converter /sql SQL formatter /toml TOML ↔ JSON/YAML converter /base Number base converter (dec, hex, bin, oct) /dns DNS record lookup /headers HTTP header inspector /md Markdown preview /html HTML preview /placeholder Placeholder image generator /paste Encrypted paste bin (zero-knowledge) /cidr CIDR/subnet calculator /ua User-Agent parser /http HTTP status code reference /whois Domain whois/RDAP lookup /ssl SSL certificate checker /jsonschema JSON Schema generator No tracking. No cookies. Just tools.