Savithru Lokanath

All tools in one place. Open any app in a tab and switch between them without leaving the page.

DNS lookup tool. Enter a hostname and see A, AAAA, MX, TXT, CNAME, and NS records decoded.

Subnet calculator. Enter any CIDR prefix and get network address, broadcast, mask, host range, and a full subnet breakdown.

Visual traceroute path diagram. Paste traceroute output to see an annotated hop-by-hop diagram with RTT heatmap.

IP geolocation. Enter any IP and see country, ASN, ISP, timezone, and coordinates on a map.

TLS certificate inspector. Paste any PEM certificate and see subject, issuer, validity, SANs, key usage, and fingerprints.

JWT decoder. Paste a token and inspect the header, payload claims, expiry, and signature — decoded instantly.

Network unit converter. Translate between bits, bytes, data rates, and time units instantly.

Unix timestamp converter. Paste any epoch, ISO string, or click Now — get every time format instantly.

JSON ↔ YAML live converter. Edit either pane and the other updates instantly with bidirectional sync.

Network topology visualizer. Define nodes and edges in YAML, see an interactive force-layout diagram live.

Whois parser. Paste a raw whois dump and get a clean structured view of domain registration, dates, and nameservers.

OpenAPI spec browser. Paste a swagger.json and browse endpoints, params, and responses as a clean UI.

Side-by-side text diff. Paste or upload two versions of any text and see changes highlighted inline.

Live Jinja template renderer. Paste a template, supply variables as JSON or YAML, and see the output instantly.