Development
Analyze SQL queries for potential performance issues
sql-performance-analyzerDevelopment
Build simple SQL queries visually
sql-query-builderDevelopment
Generate SQL table schema definitions
table-schema-generatorDevelopment
Check SSL certificate information, validity, and security configuration
ssl-checkerDevelopment
Validate W3C Trace Context propagation headers end to end: traceparent (version / 16-byte trace-id / 8-byte parent-id / trace-flags), tracestate (≤32 list members, tenant keys), baggage (percent-encoded values + opaque properties), OTLP export Content-Type, the gRPC grpc-trace-context-bin 25-byte binary context — plus a two-header correlation round-trip with a random child span-id collision check.
opentelemetry-w3c-traceparent-tracestate-baggage-and-otlp-protobuf-headers-propagation-validatorNetwork
Decode hex captures from cellular IoT devices: CoAP headers/options (block-wise, Observe), LwM2M TLV object trees with registry names, SMS-DELIVER UDH port addressing unwrapping CoAP-over-SMS, link-format registrations and DTLS record summaries.
nb-iot-lte-m-cat-m1-coap-lwm2m-cellular-iot-packet-analyzerNetwork
Decode a PCIe link training log (LTSSM state sequence plus TS1/TS2 ordered sets) into the full Gen1-Gen6 state timeline: negotiated speed and width, rate identifier bits, lane reversal, polarity inversion, equalization phases and Detect/Recovery restart diagnostics. Also grades a lane margining report (pcilmr CSV or key=value) against the PCIe Base Spec Rev 5.0 §8.4.2 eye minimums per generation and renders a per-lane eye-margin heatmap SVG.
pcie-link-training-linkstate-and-lane-margining-eye-decodeDevelopment
Simulate the Authorization Code flow with PKCE end to end: verifier/challenge generation, authorization URL, token exchange, ID Token validation checklist and an interception-attack demo.
oauth-oidc-authorization-code-pkce-flow-visualizerDevelopment
Test PCRE2 patterns online: every named-group syntax ((?P<n>), (?<n>), (\u0027n\u0027)), possessive quantifiers, atomic groups, \A \z \h shorthands, plus pcre2grep and C API snippets.
pcre-regex-testerDevelopment
Turn an OpenAPI 3.x or Swagger 2.0 spec (JSON/YAML) into an importable Postman Collection v2.1.0 with folders, variables, auth and example responses.
openapi-to-postman-collectionDevelopment
A searchable, localized cheat sheet for regular expression syntax — character classes, anchors, quantifiers, groups & references, lookarounds, escape sequences, and flags — with a built-in quick tester
regex-cheat-sheetDevelopment
Step through how a regular expression matches a string position by position: visualize match attempts, partial successes, backtracks, and captures — a learning tool for understanding regex behavior, not just the final result
regex-debugger