Lighthouse

Lighthouse

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About

You can run it against any web page, be it public or require authentication. It has audits of performance, accessibility, progressive web apps, SEO and more. You can run Lighthouse in Chrome Devtools, from the command line, or as a Node. You simply give Lighthouse a URL to audit, it will run a series of audits against the page, and then generate a report on how good the page was. From there, use the audits that have failed as pointers on how to improvise the page. Each audit has a reference doc explaining why the audit is important, as well as how to fix it. Lighthouse Viewer requires the JSON output of a Lighthouse report. The following list explains how to get the output in JSON format depending on which Lighthouse stream you are using.

About

SafeJSON is an all-in-one local JSON toolkit built exclusively for developers. All parsing, comparison, JWT decoding and validation runs 100% inside your browser, with zero user data uploaded to external servers. Core features include standard JSON formatter, visual JSON Diff, JWT token decoder, JSONPath query engine, and JSON Schema validator. It supports huge 50MB+ JSON files powered by Web Workers, dark mode, collapsible tree views, and one-click raw JSON export. Users can independently verify full privacy via Chrome DevTools Network panel — no API keys, tokens or confidential payloads leave your device. The core toolset is permanently free, with advanced features (Diff & JWT) available via SafeJSON Pro ($5/month or $39/year). The full codebase is fully open-source on GitHub for full audit.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Website optimization tool for developers wanting to improve the quality of web pages

Audience

Frontend & backend engineers, API testers, DevOps, security developers, full-stack programmers who work with JSON and auth tokens daily

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

$5/month, $39
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Supported
Live Online Not Supported
In Person Supported

Company Information

Google
Founded: 1998
United States
developer.chrome.com/docs/lighthouse/overview/

Company Information

SafeJSON
Founded: 2025
United States
safejson.dev

Alternatives

Alternatives

JSON Crack

JSON Crack

ToDiagram
Liquid Studio

Liquid Studio

Liquid Technologies

Categories

Categories

JSON Editors Supported

Integrations

DebugBear Supported
Elite Site Optimizer Supported
Google Chrome Supported
Sourcetable Supported
Tugboat QA Supported

Integrations

DebugBear Not Supported
Elite Site Optimizer Not Supported
Google Chrome Not Supported
Sourcetable Not Supported
Tugboat QA Not Supported
Claim Lighthouse and update features and information
Claim Lighthouse and update features and information
Claim SafeJSON and update features and information
Claim SafeJSON and update features and information