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Data Converter

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Convert JSON, CSV and YAML locally with explicit mapping, typing and safety rules.

Runs locally. Your data never leaves this browser.

JSON → CSV accepts only a root array of flat objects. Nested arrays and objects are rejected.

InputJSON
0 chars · 0 lines
OutputCSV
0 chars · 0 lines
Ctrl/Cmd + Enter
Choose a conversion, add data and run it locally.

CSV without silent data loss

CSV conversions use explicit delimiters, stable headers and string-safe parsing by default. Nested JSON is rejected instead of being hidden inside cells.

Bounded YAML 1.2

YAML conversion uses YAML 1.2 core semantics with one document, bounded aliases and no merge-key expansion or custom tag behavior.

Browser-local conversion

Parsing and serialization happen in this browser. Converted payloads are not sent to a Devary backend or persisted.