Look up all 17 gRPC status codes (0–16) with meanings — from OK and CANCELLED through resource and network errors for backend debugging. Code never leaves your device — formatting and validation run locally in your browser.
Content reviewed October 2026 · About Toolzum
Look up HTTP status codes by number — view description, label, and response class (informational, success, redirect, client error, server error).
Browser device info, user-agent parser, HTTP status codes reference, MIME types lookup, Basic Auth header generator, Open Graph meta tags generator, and keycode inspector.
Parse and validate international phone numbers for 18 built-in dial codes with automatic country detection. Returns country, code, national number, and E.164 — no area-code or carrier lookup. All validation runs locally in your browser.
Scan hundreds of URLs for status codes, redirect chains, and dead pages with CSV export for audits. SEOs check 500 links before a migration — server-side checks with auto-paced backend (~15/min per address).
Generates real scannable barcodes in UPC-A, EAN-13, Code 128, and Code 39 — JsBarcode encoders with guard patterns, checksums, and start/stop codes, rendered to SVG. Input never leaves your device — everything runs locally in your browser.
Seventeen, numbered 0–16 — from OK through CANCELLED, UNKNOWN, and resource errors.
0 OK, 2 UNKNOWN, 5 NOT_FOUND, 13 INTERNAL, 14 UNAVAILABLE cover nearly all debugging.
gRPC codes travel with HTTP/2 trailers — related to, but distinct from, HTTP status codes.
No — lookup runs locally in your browser, free with no signup.