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Generador de manifest.json PWA — Herramienta online gratis

Genera manifest + íconos + color de tema

Genera manifest.json para PWA (Progressive Web App). Nombre, íconos, color de tema, modo de visualización, URL inicio, todos los campos obligatorios. Más snippet JS de instalación.

App basics

Icons

Optional

📄 manifest.json + HTML

↗ Generate maskable icons
📚
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PWA manifest.json Builder

Generate Web App Manifest (manifest.json). Required fields, icon sizes, maskable variants, optional shortcuts + screenshots. Plus HTML link-tag.

How to use this tool

  1. 1

    App basics

    Name, theme, start URL, display mode.

  2. 2

    Icons

    Icon sizes 192 + 512 + maskable.

  3. 3

    Output

    manifest.json + HTML link tag + install JS.

Frequently Asked Questions

Why PWA in 2026?
PWAs install like native apps on iOS, Android, ChromeOS, Windows. Works offline (with service worker). No app store fees. Better discoverability via web search. Apple finally added "Add to Inicio Screen" prompt support 2023. PWA is the most cost-effective way to ship cross-platform.
Required fields for installability?
Minimum: name, short_name, icons (≥192px + ≥512px), start_url, display ("standalone" or "fullscreen"), theme_color, background_color. Plus: HTTPS + service worker registered + valid manifest. Chrome DevHerramientas → Application → Manifest shows compliance.
Maskable icons?
Adaptive icons that fill the entire frame on Android (where launchers crop the icon). Generate at 512×512 with safe zone (inner 80%). Add purpose: "any maskable" to manifest. Herramientas: maskable.app shows preview. Without maskable, your icon may look small / cropped.

Puntos clave

  • PWA manifest.json Builder is a free, browser-based seo & web tool — generate manifest + icons + theme color.
  • No signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use PWA manifest.json Builder

  1. Open the tool: Launch PWA manifest.json Builder on Herramientaolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

PWA manifest.json Builder — Quick Facts

Precio
Gratis — sin límites, sin marcas de agua, sin paywall
Privacidad
100% en el navegador — ningún dato sale de tu dispositivo
Plataforma
Cualquier navegador moderno — escritorio, tablet o móvil
Categoría
SEO & Web Herramientas on Herramientaolis
Sin conexión
Works offline after first visit (Progressive Web App)
CaracterísticaDetalles
HerramientaPWA manifest.json Builder
CategoríaSEO & Web
Requiere registroNo
Subida de archivoNinguno — procesado en el navegador
Compatible con móvilTotalmente adaptable
CosteGratis para siempre

Why Use PWA manifest.json Builder?

You should try PWA manifest.json Builder for a quick, private way to generate manifest + icons + theme color. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacidad. Esta herramienta funciona enteramente en tu navegador. Tus datos nunca se suben a ningún servidor.