AMP Validator

Check Accelerated Mobile Pages markup for validity.

📅 Last updated: July 18, 2026

AI Overview

Use AMP Validator to process, optimize, or format your data files and code directly inside your browser window. This private, 100% client-side utility provides instant processing speeds without uploading files to remote servers.

👍 Best For:Instant private client-side processing of standard data tasks

⚠️ Not For:Bulk automation requiring server-side daemon scripts

Client Sandbox Instant

Paste AMP HTML Code

Edit AMP code block details directly or click Validate to inspect mobile speed markers.

<!doctype html>
<html amp lang="en">
  <head>
    <meta charset="utf-8">
    <script async src="https://cdn.ampproject.org/v0.js"></script>
    <title>Hello AMP World</title>
    <link rel="canonical" href="self.html">
    <meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1">
    <style amp-boilerplate>body{-webkit-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-moz-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-ms-animation:-amp-start 8s steps(1,end) 0s 1 normal both;animation:-amp-start 8s steps(1,end) 0s 1 normal both}@-webkit-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}</style><noscript><style amp-boilerplate>body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}</style></noscript>
  </head>
  <body>
    <h1>Welcome to the AMP mobile web!</h1>
  </body>
</html>

About AMP Validator

Check AMP page standards. Audit styling constraints, namespace checks, and verify correct validation tags.

How to Use

Upload or paste your AMP HTML.
Initiate validation parse.
Review the error console for schema issues.

Visual Walkthrough

Interactive Usage Guide

Step-by-step interactive mockup tutorial

1Step 1 of 3

Upload or paste your AMP HTML.

toolchi.online/sandbox

DROP FILE HERE

✨Why Toolchi is Different

Most online amp validator utilities require uploading your files to remote servers, exposing sensitive business or personal data to leakage, and throttle speeds with download queues. Toolchi is different. We do not just perform raw conversions. Toolchi guides your workflow by integrating dynamic Smart Assist instructions, analyzing outputs for a tailored Quality Score, and recommending the next best actions—all while executing strictly on the client side with 100% data confidentiality.

🛠️Need programmatic automation for this workflow?

Toolchi offers high-performance Developer APIs for this tool's pipeline. Integrate image compression, PDF merge/split, SEO audits, and AI generation programmatically.

View API Docs Get API Key

FAQs

Why validate AMP pages?

Invalid AMP pages cannot be cached by Google or served in search result carousels.

Secure Client-Side Sandbox

Toolchi operations are executed fully in your local browser sandbox. Zero files, strings, or image buffers are uploaded to servers, ensuring complete security.