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JSON String Extractor

Pulls out every string in a JSON document that is long or contains line breaks.

Artifact by Simon Willison

IndexedApache-2.0Data toolsNo sign-up

Use it

Opens tools.simonwillison.net in a new tab. Nothing to install.

You provide
JSON data
You get
List of long strings
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Not stated: check the tool's privacy notes before using private data
Price
Free to use
Made with
Claude artifact
Source
Open source
Link check
Answered on Oct 31, 2026

About

JSON String Extractor is a Claude artifact in the data tools category (json extractor). It opens in your browser, so there is nothing to install. You provide JSON data and get list of long strings. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (simonw/tools).

Category: Data tools · json extractor

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Details

Auth
No auth
License
Apache-2.0
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub

More from Simon Willison

Cite this page

JSON String Extractor: free online tool. Agent Mart. https://agentmart.dev/artifacts/json-string-extractor (last updated 2026-10-31)