Free KiloParse Tool
ads.txt Line Checker
The purpose of this tool page is narrow on purpose: explain ads.txt line checker in plain language, then point the reader toward one careful improvement they can make.
Hey guys,
This tool page belongs on KiloParse only if it helps someone make a better website decision. The explanation should be direct, specific, and different from the surrounding pages.
Use this checklist
- Open your live /ads.txt file in a browser.
- Confirm the file returns HTTP 200.
- Confirm the publisher ID matches your ad account.
- Confirm the seller line was copied exactly from the ad platform.
- Do not include passwords, API tokens, or private keys.
- Remember that publisher IDs in ads.txt are public by design.
- Check the file again after every deploy that changes public files.
- Keep internal config files blocked from public access.
- Do not guess your ads.txt line.
- Do not treat ads.txt as a replacement for useful site content.
How to use it without overthinking
A good version of ads.txt line checker gives context before advice. That keeps the page from feeling copied, inflated, or written only to fill space.
When reviewing ads.txt line checker, the useful question is not whether the page sounds impressive. The useful question is whether a stranger can understand the issue and act on it.