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JSON Formatter

What's new

Recent releases, new tools, and improvements to JSON Formatter.

  1. v3.0.0

    release
    • New Contact page with client-side form validation.
    • Share button on every tool with Web Share API + clipboard fallback.
    • Tightened Lighthouse thresholds — Performance ≥ 0.90, SEO = 1.0 across all routes.
    • Automated tests + CI: Vitest suite runs on every PR, LHCI runs on every deploy.
    • Per-page social previews (og:image) for tools, blog, and marketing pages.
    • Optional Cloudflare Web Analytics — privacy-friendly, no cookies.

  2. v2.4.0

    tool
    • New tools: Regex Tester, UUID Generator, Hash Generator, URL Encoder.
    • JSON Schema Validator now supports draft 2020-12.
    • Consolidated JSON toolbar into Transform / File dropdowns for a cleaner UI.

  3. v2.3.0

    tool
    • New tools: JSONPath Tester, JSON → TypeScript, JWT Decoder.
    • Blog: 10 long-form articles on JSON fundamentals, APIs, and best practices.

  4. v2.2.0

    perf
    • Monaco editor is now code-split — landing route loads ~40% faster.
    • Debounced validation (500ms) for smooth typing on multi-MB payloads.
    • History dialog now keeps the last 20 documents locally.

  5. v2.1.0

    release
    • Interactive collapsible tree viewer with search and copy-path.
    • One-click JSON repair for trailing commas, single quotes, and unquoted keys.
    • Full keyboard shortcuts + command palette.

  6. v2.0.0

    release
    • Complete rewrite on TanStack Start with SSR + edge rendering.
    • 100% client-side processing — nothing leaves your browser.
    • Dark / light / system theme, PWA install prompt, offline-first.