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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.

About

Schema Synth is an AI-powered JSON-LD schema markup tool that generates, validates, and audits structured data. It helps SEO professionals and web developers implement correct schema markup for rich results, AI citations, and knowledge panels — without hand-coding JSON-LD or switching between fragmented tools. Describe your content in natural language and Schema Synth generates schema.org-compliant JSON-LD using AI. It validates against schema.org standards in real time, catches errors before deployment, and audits existing pages for missing or broken markup. Supports all major schema types: FAQ, Product, Article, LocalBusiness, HowTo, Review, Event, Organization, and more. Works with any site — WordPress, Shopify, Webflow, static HTML, React, Vue — no CMS lock-in.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

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

Audience

Technical SEO marketers, AEO/GEO specialists, web developers

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

$5/month, $39
Free Version
Free Trial

Pricing

$15/month
Free Version
Free Trial

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SafeJSON
Founded: 2025
United States
safejson.dev

Company Information

Schema Synth
Founded: 2026
Argentina
schemasynth.com

Alternatives

JSON Crack

JSON Crack

ToDiagram

Alternatives

JSON Schema App

JSON Schema App

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Stobo

Stobo

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AlgoSEO

AlgoSEO

Dimension Technology
Liquid Studio

Liquid Studio

Liquid Technologies

Categories

Categories

SEO

Integrations

No info available.

Integrations

No info available.
Claim SafeJSON and update features and information
Claim SafeJSON and update features and information
Claim Schema Synth and update features and information
Claim Schema Synth and update features and information