Ads.txt Validator & Analyzer

Verify and analyze your ads.txt file for errors, warnings, and security notices to prevent ad fraud and safeguard your ad revenue.

Ads.txt Validator & Analyzer

Verify and analyze your ads.txt file for errors, warnings, and security notices to prevent ad fraud and safeguard your ad revenue.

Website URL

Bot User-Agent

Paste Ads.txt content

Upload ads.txt file

Drag and drop your ads.txt file here, or click to upload

Search Crawler Simulator

Verify if search engine crawl bots can successfully fetch and read your ads.txt file.

HTTP Status

Content-Type

Crawler Accessible

# Simulated Bot Response Headers:

HTTP/1.1

Health Score

Total Records

Valid Records

Critical Errors

Warnings

Notices

DIRECT & RESELLER Relationship Breakdown

Identified Warnings & Errors List

Detailed Ads.txt Records Explorer

السطر	Exchange Domain	Publisher ID	Relationship	Cert Authority ID	الحالة

No matching records found.

Tool Features

Crawl Structure Audit

Instant verification of ads.txt fields to ensure W3C and IAB compliance.

One-Click Auto-Fix

Instantly strip corrupted rows, correct case mismatches, and format spacing.

Crawler Bot Simulation

Bypass CORS blocks and test how Googlebot and Bingbot view your file.

Absolute Content Privacy

All analysis runs locally in your browser. Your records are never stored.

Advanced capabilities for professionals

Ad Fraud Prevention

Declare authorized digital sellers to prevent domain spoofing and ad space theft.

Protect AdSense Earnings

Prevent critical formatting bugs that trigger Google crawler warnings.

Structural Integrity

Verify relationship tags, certifying authorities, and custom variables.

Clean Formatting Export

Download a clean, fully valid ads.txt file ready to place on your server.

How to Use

Input Your File

Provide your domain URL, paste your plain content, or upload an ads.txt file.

Inspect Detected Issues

Review color-coded errors, warnings, and notice logs below.

Export & Update

Click auto-fix to download a standardized, perfectly formatted ads.txt file.

FAQ

An abbreviation for 'Authorised Digital Sellers', ads.txt is an initiative by the IAB Tech Lab. Its purpose is to allow publishers to declare who is authorized to sell their digital advertising inventory publicly, helping advertisers avoid fraudulent space sellers.

If your ads.txt file contains errors, ad networks (like Google AdSense or Ad Manager) will fail to verify your seller account, causing them to immediately stop displaying ads on your website. This directly leads to an instant loss of ad revenue.

DIRECT indicates that you, the publisher, directly control and own the account associated with the advertising system specified. RESELLER means you have authorized a third-party partner or ad network to manage and resell your ad inventory.

Our auto-fix utility scans the uploaded or pasted ads.txt content, strips out completely corrupted lines, corrects case mismatches (e.g. converting "direct" to uppercase "DIRECT"), trims unnecessary whitespace, and serves a standardized, perfectly formatted ads.txt file ready to download.

No. All file parsing and formatting is performed entirely in your browser using client-side JavaScript. No ads.txt content is saved on our server, ensuring absolute privacy for your monetization structures.