Paste the JSON payload
Use the exact JSON you need to inspect or validate.
Free Development Tool
Validate, pretty-print and minify JSON directly in your browser with Avenzo’s free JSON Formatter & Validator.
Use the actual URL, values, content, or project details you want to evaluate.
The interface is designed to explain what matters instead of showing raw output alone.
Copy, download, fix, test, or unlock the deeper report depending on the tool.
Interactive Workspace
Complete the requested fields below. Your results appear in the same workspace so you can understand them without jumping between screens.
Paste JSON on the left. You’ll immediately see whether it is valid and get a clean output on the right.
Understand The Result
Knowing what a result means is more useful than seeing a score or generated output by itself. Use this walkthrough before making an important change.
Use the exact JSON you need to inspect or validate.
The validator highlights malformed JSON so you can correct commas, quotes, brackets or values.
Pretty-print for debugging and review; minify when compact transport is more useful.
Public website checks can only inspect resources and signals exposed to the browser or server. Review important findings in your actual codebase and hosting environment.
Avenzo can take the result into implementation across web design, development, SEO, CRO, performance and AI-search optimization.
Talk to Avenzo ↗FROM RESULT TO EXECUTION