DummyUp

Unknown author · Developer Tools

Open in Chrome Web Store

Users

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Avg rating

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Ratings

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Updated

May 26, 2026

Media

1 item

Description

Generate dummy JSON data quickly by specifying field names and types. DummyUp is a Chrome extension for quickly generating dummy JSON data for development and testing. Key features - Preset-based data generation - Editable custom schema and default preset schemas - Nested schema support (e.g., profile.name, items[].price) - Reproducible output with seed value - Pretty/Minify output format options - Copy to clipboard and JSON file download - Web Worker-based async generation for large data sets (>1000) - Multi-language UI support (ko, en, fr, pt_BR, zh_CN, ru) No user data is sent to external servers. User settings are stored locally via chrome.storage.local.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
7
Description length
Characters in the listing description.
669
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
8
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
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Keyword in description
Case-insensitive substring match in the description.
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Keyword occurrences in description
Count of case-insensitive occurrences in the description.
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Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
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These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.