Pull a specific nested branch out of a large JSON document.
Tip: use samples, upload, copy, download, and send-to actions inside the workspace where available.
JSON Nested Extractor is a free, browser-based tool that helps you pull exactly what you need out of noisy text. Pull a specific nested branch out of a large JSON document. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.
Extract the useful values first, then validate, deduplicate, or convert the extracted list.
Review the preview, copy or download the result, and keep everything local in your browser.
JSON → Mongoose Schema: Generate a Mongoose schema from a sample JSON document.
Open toolJSON Flatten: Flatten nested JSON to dot-notation keys, or unflatten back.
Open tool