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Pretty JSON

github.comBrowser DevTools & extensions

PulseGate's liveness check found it on 16 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 16 Sep 2026. How this is checked

Pretty JSON is an open-source browser extension for formatting and prettifying JSON data. It uses WebAssembly to provide a readable presentation of otherwise minified or difficult-to-read JSON for developers and technical users.

Inferred · not functionally tested

Open SourceWebEmbeddable
Pretty JSON preview
Visit github.com

Overview

4 features

Purpose: Reading and understanding unformatted JSON data in a browser.

Inferred · not functionally tested

Audience: developers and technical users

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: open_source · license: Open Source · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: github.com · addons.mozilla.org. These links do not verify the individual claims.

Pretty JSON is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on reading and understanding unformatted JSON data in a browser. Inferred · not functionally tested: Pretty JSON is an open-source project aimed at developers and technical users. Basis unknown · not verified: Pretty JSON is open source under the Open Source license. Basis unknown · not verified: Pretty JSON is available on the web and embeddable surfaces.

Behind Pretty JSON is k0mpreni, and it first shipped in 2020. Inferred · not functionally tested: Among its 4 catalogued features are JSON formatting, pretty printing, and browser extension.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • JSON formatting
  • Pretty printing
  • Browser extension
  • WebAssembly

Topics: Inferred · not functionally tested

Tags
json-formatterbrowser-extensionwebassemblydeveloper-utility

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddable

Trust & compliance

License
Open Source
Public signals
HTTPSPrivacy PolicyTerms of ServiceOpen SourceFree tierStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed16 Sep · 14:47 UTC
    Prettify your JSON seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Pretty JSON

What is Pretty JSON?
Inferred · not functionally tested: Pretty JSON focuses on reading and understanding unformatted JSON data in a browser. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Pretty JSON?
Inferred · not functionally tested: Pretty JSON is an open-source project built for developers and technical users.
Is Pretty JSON free?
Basis unknown · not verified: Yes — Pretty JSON is open source under the Open Source license and free to use.
What platforms does Pretty JSON run on?
Basis unknown · not verified: Pretty JSON runs on the web and embeddable surfaces.
Is Pretty JSON still active?
PulseGate's liveness check found it on 16 Sep 2026.
What are alternatives to Pretty JSON?
Similar projects tracked by PulseGate include Pretty JSON, JSON Beautify It, and CodePrettify.Pretty JSONJSON Beautify ItCodePrettify
Who develops Pretty JSON?
Pretty JSON is developed by k0mpreni.
When did Pretty JSON launch?
Pretty JSON first shipped in 2020.

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