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Build article JSON-LD
Build Article or BlogPosting JSON-LD locally from practical content fields.
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A quick way to understand who this helps, what it solves, and where it connects next.
Developers, QA engineers, and designers who need sample data for testing and demos.
Quickly seeding a database, API, or prototype with realistic fake records.
Capture mock-data-generator intent with a fast, private, browser-side test data generator.
Cleanor Labs
These sections explain the job in plain language and set expectations for what the tool should do well.
Generate up to 500 fake records at a time with common fields like id, name, email, city, age, and an active flag. Switch between JSON and CSV, then copy the result. All generation runs locally on your device.
Short answers for the questions people usually have before trying a utility like this.
Yes. It is completely free, with no sign-up, no watermark, and no usage limits.
No. All data is generated locally in your browser with the Web Crypto API, so nothing is uploaded or stored.
Yes. Switch the format to CSV to get comma-separated output ready for spreadsheets.
Every tool on Cleanor is free with no sign-up, no credits, and no limits. Files are processed privately in your browser. Looking for on-device phone cleanup and Premium features? That lives in the Cleanor app.
Create realistic fake records as JSON or CSV, generated locally in your browser. Nothing is uploaded.
Generated locally with the Web Crypto API. Click generate for a fresh set.