utilpeek: Convert data between JSON, YAML, CSV, TOML and XML. Returns the document converted from json, yaml, csv, toml or xml to json, yaml, csv or toml. YAML uses libyaml's restricted loader (alias bombs refused); XML with DTDs or entities is a 422 xml_forbidden; lossy conversions are a 422 (not_tabular, not_representable, ...) rather than silently changed. Input: input, from, to, optional delimiter and indent. CSV values stay strings; dates become ISO strings (native dates in TOML). Parsed in an isolated, resource-limited child process without network; input over its limits is a 422 (not charged). Typically under 1 s, up to a few seconds for 1 MB. Price: USD 0.001. Free: 10 utilpeek calls per IP per UTC day. Tanod does not log or store the submitted text; it is processed in memory for this answer. Docs: https://tanod.dev/learn/convert-data-formats-api.html