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Parse an ETSI TS 119 612 trusted list, check its structure and profile, and verify its signer against the EU List of Trusted Lists or a certificate you give. ETSI TS 119 612, XML
Everything stays in your browser. All parsing and checks run on this page, and nothing you paste, drop or check is sent to a server. The page only makes a request when you fetch a URL or check a signer against the EU List of Trusted Lists, and your browser sends it straight to that URL. A link to a result holds the input after the #, which browsers do not send to a server.