Laying out the streets…STEP 1 OF 3

Captain JSON - Json Viewer & validator · House #27,666

Best extension for Json viewer, Json Vaidator with 20+ tools

In the Quick developer utilities neighborhood (Developer). In town since 1 Oct 2026.

Nobody has claimed this house yet. Tablif records every new product and gives it a house; when its owner claims it, the lights go on.

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What Tablif read on Captain JSON - Json Viewer & validator 's site

Captain JSON - Json Viewer & validator describes itself as: “Captain JSON — JSON Viewer, Formatter, Validator & Developer Toolkit | Pirates of Bugs”

What it is

Calls itself “toolkit”.

  • Calls itself: toolkit
“Captain JSON is a free JSON toolkit for developers and QA engineers”

Where it puts itself

Claims “Best extension for Json viewer”.

  • Superlative claim: Best extension for Json viewer
“Best extension for Json viewer, Json Vaidator with 20+ tools”

What it costs

A free tier, free forever.

  • Free plan: free forever
“Captain JSON is a free JSON toolkit for developers and QA engineers”

Who it sells to

Sells to developers. Made for QA engineers and developers.

  • Sells to: developers
  • Made for: QA engineers · developers
“Captain JSON is a free JSON toolkit for developers and QA engineers”

How it runs

A browser extension. Runs locally and works offline. Distributed through the Chrome Web Store.

  • Kind: extension
  • Runs where: on the device, offline
  • Distributed via: Chrome Web Store
“Best extension for Json viewer, Json Vaidator with 20+ tools”
“Captain JSON is a free JSON toolkit for developers and QA engineers — format, validate, compare, convert and generate JSON with 20+ tools, right in your browser. ✓ 100% Offline”

What it works with

Names Captain JSON, Chrome and 1 more on its pages.

  • Names: Captain JSON · Chrome · Twitter
“Captain JSON - Json Viewer & validator”
“Chrome”

Sources

Tablif read these pages, last on 1 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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