§ htark / tools

§ tools

tools.

Small utilities that shouldn't take a round trip to think.

>

press / to focus from anywhere
  1. §01

    depaste

    Strip rich-text formatting. Strict plain or markdown.
  2. §02

    whoami

    What your packet, TLS handshake, and HTTP headers reveal to the edge.
  3. §03

    dns

    Multi-resolver DoH lookup. Cloudflare, Google, Quad9 side-by-side.
  4. §04

    bgp

    IP / ASN routing data. Origin, RPKI status, AS-paths, announced prefixes.
  5. §05

    cidr

    IPv4 / IPv6 CIDR calculator with bit-level visualization.
  6. §06

    dns-trace

    Delegation chain top-down. Root → TLD → authoritative, with NS glue.
  7. §07

    email-dns

    SPF / DKIM / DMARC / MTA-STS / TLS-RPT audit, graded.
  8. §08

    cdn-detect

    Identify the CDN behind a host via DNS → ASN → curated CDN list.
  9. §09

    ports

    Bidirectional well-known port reference. Curated, not exhaustive.
  10. §10

    jwt

    Decode JWT, surface alg=none and other footguns. No verification.
  11. §11

    timestamp

    Unix epoch ↔ ISO 8601 ↔ multi-tz. Auto-detect input form.
  12. §12

    url

    Parse URL, surface phishing-flavored red flags (punycode, RTL, double-encoding).
  13. §13

    decode

    Universal decoder. Tries base64/hex/url/JWT in parallel, ranks by plausibility.
  14. §14

    diff

    Line-level text diff. Myers algorithm, no library.
  15. §15

    hash

    MD5 / SHA-1 / SHA-256 / SHA-384 / SHA-512 / CRC32 in one shot.
  16. §16

    uuid

    UUID inspector + v4/v7 generator. Decodes timestamp, MAC, version.
  17. §17

    cron

    Cron expression parser with next-fire preview in UTC and local.
  18. §18

    curl

    Parse curl command, re-export as fetch / Python / HTTPie.
  19. §19

    bogon

    Classify any IPv4/IPv6 against the IANA special-purpose registry. Batch mode.

more incoming.