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Flatten a JSON-LD document so all nodes live at the top level keyed by identifier.
Input
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Output
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Status
Ready
Time
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This conversion runs on our server to use a Node-only library. Your input is processed for the request and never stored.
JSON-LD to Flattened is a free online converter on AltFTool that flattens a JSON-LD document so all nodes live at the top level keyed by identifier — no signup and nothing to install.
The conversion runs on AltFTool's server: your input is sent to the AltFTool API, converted, and returned to your browser. It is not stored. JSON-LD to Flattened is powered by the jsonld library, and the Flattened result can be copied or downloaded as jsonld-to-flattened.json.
These are the algorithmic JSON-LD transformations defined by the JSON-LD 1.1 specification, applied by the jsonld library — the result describes the same data in a different canonical form.
| Input format | JSON-LD (JSON syntax) |
|---|---|
| Output format | Flattened (JSON syntax) |
| Output file | jsonld-to-flattened.json (application/json) |
| Runs | On AltFTool's server — the input is sent to our API and not stored. |
| Library | jsonld |
| Category | JSON-LD converters on AltFTool |
Open JSON-LD to Flattened on AltFTool — the converter loads straight away, with no account.
Paste your JSON-LD into the left-hand input pane, or press Sample to load a working example.
About 300ms after you stop typing, AltFTool posts your input to its conversion API and puts the Flattened output in the right-hand pane.
If this converter exposes options, open Settings to change them — the output re-runs as you adjust.
Copy the Flattened output with the Copy button, or download it as jsonld-to-flattened.json.
Yes — this one runs on the server, because jsonld is a Node library rather than a browser one. Your JSON-LD is sent to the AltFTool API, converted, and returned. It is not stored.
The jsonld library, running on AltFTool's server. The Flattened you see is that library's output rather than an approximation written here.
Yes. Server-side converters accept up to 200,000 characters of input per request; anything larger is rejected with a "too large" error instead of being truncated.
The result is Flattened. Copy it from the output pane in one click, or download it as jsonld-to-flattened.json — AltFTool names the file after the converter and serves it as application/json.
Yes. JSON-LD to Flattened is free to use on AltFTool, with no account and no sign-up.
Drop the live JSON-LD to Flattened workspace into your own docs page, tutorial or blog post with one snippet. Free, responsive, light and dark — just keep the “Widget by AltFTool” credit link visible.
<iframe src="https://www.altftool.com/embed/widget/transform/jsonld-to-flattened"
title="JSON-LD to Flattened Converter — free AltFTool widget"
width="100%" height="820" style="border:0;border-radius:12px;overflow:hidden"
loading="lazy" referrerpolicy="no-referrer-when-downgrade" allow="clipboard-write"></iframe>
<p style="font-size:12px;margin:4px 0 0">Widget by <a href="https://www.altftool.com/transform/jsonld-to-flattened?utm_source=embed&utm_medium=widget" rel="nofollow">AltFTool — free online tools</a></p>More of AltFTool's JSON-LD and format tooling, and the guides around it.