BlueprintLab Tools
JAEN
All tools / Web developer tools / PWA manifest validator

Free browser tool

PWA manifest validator

Validate required and recommended fields in a Web App Manifest JSON.

Input and settings

How to use

PWA manifest validator processes your input in the browser, then lets you inspect or download the result.

  1. Choose or paste the input.
  2. Adjust only the options you need.
  3. Run the tool and inspect or download the result.
Input
Code, URLs, structured data, or settings used by this tool
Processing
In-browser

Before using the result

Keep originals when editing important files and verify the downloaded result before replacing the source.

Related tools

Web developer tools

JSON-LD formatter / basic validatorFormat or minify JSON-LD and check basic @context and @type structure.Open  →Meta tag generatorGenerate basic title, description, robots, and viewport tags.Open  →Open Graph / OGP previewPreview a social Open Graph card from title, description, URL, and image URL.Open  →Open Graph tag generatorGenerate Open Graph tags including title, description, URL, image, and card type.Open  →XML sitemap generatorGenerate an XML sitemap from URLs with optional lastmod, changefreq, and priority.Open  →Canonical tag generatorGenerate a canonical link tag from an absolute canonical URL.Open  →