Interactive, zero-retention browser utilities powered directly by Tinplate's stateless Cloudflare Worker engines. Test your domains, headers, JSON, cron expressions, and MCP manifests—no signup required.
Audit MX, SPF, DMARC, DKIM & MTA-STS with a 0–100 score—or generate lookup-safe DNS TXT records.
Audit HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy, and CORS with a shareable letter grade.
Validate IBAN/BIC, EU VAT numbers, ISO 17442 LEI, EORI, and national corporate tax IDs instantly.
Strip Markdown fences, fix single quotes & trailing commas, close truncated brackets, and validate against JSON Schema.
Translate cron schedules into plain English and preview upcoming DST-aware execution timestamps.
Scan logs and prompts for 28 secret types or redact PII with reversible placeholder tokens.
Audit Model Context Protocol (MCP) tool definitions for hidden prompt injection and over-broad permissions.
Chain up to 5 Tinplate endpoints sequentially with automatic short-circuiting on security blocks.
Convert structured JSON invoices into EN 16931 / Peppol UBL 2.1 XML + SEPA EPC-QR strings in milliseconds.
Determine exact EU VAT rate, net/gross/VAT amounts, reverse-charge status, and EN 16931 tax code instantly.
Every free browser tool above runs on the exact same deterministic edge engine as our production APIs on RapidAPI and Zyla API Hub (up to 256 KB payloads and 500,000 calls/month).