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Data
Format, validate, visualize, query, diff, flatten, convert, and generate types from JSON locally.
Processing is local to this browser. DevPaste does not upload pasted content, JWTs, .env values, editor contents, or HMAC secrets to a server.
JSON Input
Shared input for every JSON Toolkit tab. Editor content is not saved by default.
JSON actions
Format Output
Pretty print, minify, sort keys recursively, or escape JSON strings.