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NAP Consistency Checker

Compare business name, address and phone across listings against your master record.

100% free No signup Runs in your browser

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About this tool

What is the NAP Consistency Checker?

A NAP consistency checker compares the name, address and phone number on each listing with your master record and flags differences. Consistent business details help search engines trust that the listings describe the same place.

It runs entirely in your browser. Nothing you paste or upload is sent to a server or stored.

Why use it

Why use this tool

Instant result

Results appear as you run it, with nothing to install and no waiting on a queue.

Plain-English output

Each finding says what it means and what to do next, not just a raw value.

Copy-ready

Copy the output straight into your CMS, spreadsheet, ticket or client report.

Private by design

Your content stays on your device. We do not receive or keep it.

How it works

A few clicks to a better result

1

Add lines

Source, name, address, phone separated by pipes.

2

Run

Differences are flagged.

3

Update listings

Match the master record.

Written, edited and verified by Hemant Kumar, SEO consultant in Jaipur with about 8 years of experience in technical SEO, AEO and GEO. Last reviewed: Oct 2026.
Guide

How to read the result and act on it

The result compares each listing's name, address and phone number with your master record and shows where they differ. Fix the differences that change meaning first: a wrong phone number, an old address, or a different business name. Then standardise formatting such as abbreviations, suite numbers and phone number layout. Update listings directly on each platform, starting with Google Business Profile, then major directories and industry sites, and keep a log of where you made changes. Make sure the website uses the same details on the contact page and in schema markup. Re-run the comparison after a few weeks to confirm the corrections stuck, and add a recurring review to your calendar.

Common mistakes to avoid

A common mistake is changing the master record halfway through and leaving the old version on many listings. Decide on one official format first. Another is chasing trivial differences, such as Street versus St, while ignoring real errors like an old number. Do not create duplicate listings when you move; update the existing ones or request removal of the old entry. Avoid using call-tracking numbers on core listings without a plan, since they can create mismatches. Finally, do not enter a fake or virtual address to appear in a location. Guidelines for business profiles require genuine details, and wrong data can lead to suspension.

Next steps

Use this with

Browse all 6 free local seo tools, or see the full free SEO toolbox. If you would rather have this handled for you, take a look at our local SEO services near you and the results from real projects.

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FAQ

Questions, answered

No. You provide the details to compare.
LocalBusiness or Organization schema can state your name, address and phone in a structured way. Make sure it matches the visible details on the page exactly.
No. The tool runs in your browser, so what you enter is processed on your device and nothing is stored or sent anywhere. Copy any result you want to keep before closing the tab, since it will not be saved.
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