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Ads.txt Checker, Validator & Generator

Troubleshoot an ads.txt file from editing to publication. Validate pasted records, generate partner-supplied entries and check the live file served by your website or app developer domain.

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20 purpose-built toolsLocal-first privacyIndependent diagnostics

Build and troubleshoot your publisher advertising files

Use ADXKit to inspect ads.txt formatting, generate records supplied by your authorized partners and review app-ads.txt. Clear syntax is only the starting point: verify seller IDs and relationships with the advertising provider.

Ads.txt syntax validator · Ads.txt generator · App-ads.txt checker

Choose the right ads.txt tool for the problem

  1. Fix syntax before publishing

    Paste the text to investigate missing fields, relationship values, duplicates and supported directives.

  2. Build records from real partner details

    Enter the advertising-system domain and seller ID your partner supplied. Review the relationship before downloading.

  3. Check the published website file

    Inspect the live response after editing. Use the app-ads.txt checker when the file belongs to an app developer website.

Questions about ADXKit

Which tool helps with ads.txt not found?

Start with the live checker and confirm the exact domain and response. The pasted-text validator cannot tell whether a file was published.

Can I use a generated example seller ID?

No. Formatting a record does not authorize it. Use the exact seller details and commercial relationship supplied by your advertising partner.

Operated by Vivek Kushwah. Independent publisher utilities with transparent inputs and limitations. Read the method and official reference on each tool page.

Everything you need. Nothing you don’t.

Search, calculate, validate. Choose a tool to get started.

20 of 20 tools

Useful evidence. Clear limits.

Choose a tool, enter your own numbers or public website information, and review the result. Every report separates what was observed from what still needs a human review. No invented approval scores.

Your inputs stay yours.

Calculations and pasted-text checks run in your browser. Live scans send only your supplied public domain to the configured backend. We never ask for Google passwords, account access or API keys.

Publisher tools: methods & instructions

AdX Readiness Checker

Checks HTTPS, homepage text, recognizable policy links, ads.txt and indexing directives. A fetched link is evidence of a link, not a review of its contents.

Open AdX Readiness Checker →

AdSense Website Readiness

This advisory review cannot inspect your AdSense account, verify content rights or determine approval. Review Google policies manually.

Open AdSense Website Readiness →

Ads.txt Live Checker

Retrieves the root /ads.txt over HTTPS. Syntax does not prove seller authorization. Network failures and missing files are reported separately.

Open Ads.txt Live Checker →

Ads.txt Syntax Validator

Paste plain text to check three required seller fields, the optional certification ID and supported ads.txt 1.1 directives. Runs locally.

Open Ads.txt Syntax Validator →

Ads.txt Generator

Use the advertising-system domain and seller account ID supplied by your monetization provider. We never generate or verify real seller IDs.

Open Ads.txt Generator →

App-ads.txt Checker

Fetches /app-ads.txt from the supplied developer domain. App-store developer website links, ownership and package identity need separate verification.

Open App-ads.txt Checker →

Sellers.json Checker

Checks a domain’s root /sellers.json, or pasted JSON. Confidential entries may legitimately omit name and domain; confidentiality alone is not evidence of fraud. Files over 2 MB are explicitly refused by live scans.

Open Sellers.json Checker →

SupplyChain Validator

Supports SupplyChain 1.0 objects and common bid-request wrappers. Validates ver, complete, nodes, asi, sid and hp. Structure alone cannot prove supply-chain authenticity.

Open SupplyChain Validator →

GAM Tag Inspector

Static heuristic inspection of pasted Google Publisher Tag code. The code is never executed. Dynamic paths, comments and variable-based sizes may need manual review.

Open GAM Tag Inspector →

CPM Calculator

CPM = advertising cost ÷ impressions × 1,000. Choose a currency shared by all money inputs. Reverse calculations solve cost or impressions.

Open CPM Calculator →

eCPM Calculator

eCPM = revenue ÷ impressions × 1,000. Uses realized revenue rather than a guaranteed auction price. Reverse calculations are supported.

Open eCPM Calculator →

Page RPM Calculator

Page RPM = estimated earnings ÷ page views × 1,000. Page views and ad impressions are different denominators; this tool calculates Page RPM only.

Open Page RPM Calculator →

CTR Calculator

CTR = clicks ÷ impressions × 100. Use matching reporting periods and scope. This calculator requires clicks not to exceed impressions.

Open CTR Calculator →

Fill Rate Calculator

Default definition: filled ad requests ÷ total ad requests × 100. Platforms may define fill differently; use matching request metrics, not impressions as a substitute.

Open Fill Rate Calculator →

Ad Revenue Calculator

Daily opportunities × assumed fill rate × CPM ÷ 1,000. If impressions are already served, set fill to 100% to avoid counting fill twice. Monthly projection uses 30 days.

Open Ad Revenue Calculator →

Revenue Share Calculator

Revenue × each party’s percentage. Shares must total 100%. The optional 88/12 split is an editable example, not a claimed industry or Google contract.

Open Revenue Share Calculator →

Viewability Calculator

Viewability = viewable ÷ measurable impressions × 100. Measurable impressions are those where viewability could be measured; they are not the same as all served impressions.

Open Viewability Calculator →

CPC Calculator

CPC = total advertising cost ÷ clicks. Choose a calculation mode to solve for CPC, total cost or clicks using a consistent currency.

Open CPC Calculator →

Ad Size Preview

Visual placeholders only: 300×250, 336×280, 320×50, 320×100, 728×90, 970×250, 160×600 and 300×600. Large previews scale down to fit; actual dimensions stay visible. No ads are requested.

Open Ad Size Preview →

Monetization Health Report

Rules-based suggestions use matching live scan results from this browser session and metrics you supply. No fabricated score, AI claim or official eligibility decision. Thresholds are diagnostic heuristics, not Google requirements.

Open Monetization Health Report →

Independent readiness assessment — not an official Google approval decision. Technical findings cannot establish content compliance, traffic quality or monetization eligibility.

Good questions. Straight answers.

Can ADXKit approve my website for AdX or AdSense?

No. Google or the applicable authorized process decides approval. ADXKit offers independent technical checks and manual-review guidance.

Why do live checks need a backend?

Browsers restrict many cross-origin website requests. A configured scanning backend retrieves permitted public files safely. Without it, live tools show “Live Scan Not Configured”; local tools remain usable.

Does a valid ads.txt file prove seller authorization?

No. Valid formatting only establishes that a file follows supported syntax. Confirm the account ID and commercial relationship with the advertising provider.

Are revenue projections guaranteed?

No. They are calculations from your assumptions. Actual demand, geography, viewability, consent, invalid traffic deductions and reporting definitions affect outcomes.

Can these tools rank in Google or appear in AI answers?

Useful original content and sound technical SEO support discovery, but rankings, indexing and AI recommendations are never guaranteed. Separate tool pages can be developed later with their own unique explanations and functionality.

Ads.txt Generator: Build & Download Seller Records

What information do I need for an ads.txt generator?

Use the advertising-system domain, seller account ID, DIRECT or RESELLER relationship, and optional certification ID supplied by your advertising partner. This ads.txt generator formats your records for review, copying and download.

The interactive tool is loading below. If it does not appear, enable JavaScript or open the tool from the directory.

When to use this tool

For Blogger, WordPress or another CMS, first generate the correct plain-text records, then follow that platform’s publishing instructions. This tool does not connect to your CMS or obtain publisher IDs. Never use a sample record as your own authorization.

How to use this tool

  1. Obtain the advertising-system domain and seller account ID from an authorized partner.
  2. Choose the relationship and enter a certification ID if supplied. Add further partner records when needed.
  3. Generate the file, review the output and download or copy it for your publishing setup.

Worked example

For a hypothetical partner, the inputs exchange.example.com, publisher-123 and DIRECT produce a three-field line. The generator formats supplied data; it does not create a real publisher account or identify a valid seller ID.

How to interpret the result

DIRECT and RESELLER describe the declared account relationship, not a preferred optimization setting. Use the relationship appropriate to your actual arrangement and confirm it with your provider. Inspect the final file before replacing live content.

What this tool cannot establish

The generator cannot certify authorization, verify contracts or upload the file to your site. Existing required records should be reviewed before replacing any live file.

Frequently asked questions

Will generating more entries increase revenue?

No. The number of lines is not a revenue forecast, and unauthorized records should not be added.

Does this automatically publish the file?

No. Download or copy the reviewed text, then use your platform’s supported publishing method.

Related publisher tools

Practical guides in English and Hindi

Reference and method

This page describes the inputs, calculations and limits of the working ADXKit tool. For the underlying platform or specification, see the official reference. These independent utilities cannot grant monetization approval or guarantee earnings.

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