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Google CID Converter

Convert Google Maps URLs to CID numbers and CID numbers to Google Maps URLs instantly. The Google Client ID (CID) is a unique numeric identifier assigned to every business listing on Google Maps — essential for local SEO tracking, Google Business Profile management, and citation building.

100%
Free Forever
Instant
Conversion
0
API Calls Needed
No Data Stored
Runs in Browser
Unlimited Usage
Convert CID & Google Maps URLs
Paste a Google Maps URL (full or shortened maps.app.goo.gl) to extract the CID, or enter a CID number to generate the direct Google Maps link.
Auto-Detect
URL → CID
CID → URL
Google CID Number
Google Maps Direct URL

How to Use the Google CID Converter

Converting between Google Maps URLs and CID numbers takes seconds. Follow these simple steps to find, extract, or generate your Google Client ID.

1

Choose Your Input

Paste a Google Maps URL or enter a numeric CID. The tool auto-detects which format you're using.

2

Click Convert

Hit the Convert button and the tool instantly processes your input — no server calls, no waiting.

3

Copy Your Results

Copy the CID number, Maps URL, or hex value with one click. Use them for tracking, embedding, or auditing.

What Is a Google CID (Client ID)?

A Google CID (Client ID) is a unique numeric identifier assigned by Google to every business listing on Google Maps and Google Business Profile. This unsigned 64-bit integer serves as the permanent, canonical reference for a specific business location in Google's database.

The CID appears in Google Maps URLs in two forms:

  • Decimal format: https://maps.google.com/?cid=1234567890
  • Hexadecimal format: Embedded in the 0x portion of Google Maps place URLs as !1s0xhex_value

Unlike Place IDs (which Google can regenerate), the CID is a stable, numeric reference that persists across listing updates, name changes, and address modifications. This stability makes it valuable for local SEO professionals who need a reliable way to track and reference specific Google Business Profiles over time.

Why Is the Google CID Important for Local SEO?

The Google Client ID plays a critical role in several local search engine optimization workflows:

  • Direct linking: CID-based URLs (maps.google.com/?cid=...) resolve directly to a business listing without ambiguity — ideal for citations and backlinks.
  • Tracking & monitoring: SEO tools use the CID to programmatically track ranking positions, review counts, and listing changes for specific Google Business Profiles.
  • Citation building: When submitting your business to local directories, a CID link ensures the directory points to the correct Google listing.
  • Competitive analysis: Extract competitor CIDs to monitor their Google Business Profile performance, review velocity, and listing completeness.
  • Map embed customization: Use the CID to create custom Google Maps embeds that highlight your exact listing.

Who Uses Google CID Conversion?

Local SEO professionals, digital marketing agencies, and business owners rely on CID conversion for a variety of workflows. Here are the most common use cases:

Local SEO Agencies

Track client Google Business Profiles using stable CID references. Monitor listing changes, rank positions, and review performance across multiple locations.

Citation Building

Generate direct CID links for citation submissions to local directories. CID URLs are the most reliable way to reference a specific Google listing.

Rank Tracking Tools

Feed CID numbers into rank tracking software to monitor local pack positions, Google Maps rankings, and listing visibility for target keywords.

Multi-Location Businesses

Manage multiple store locations by maintaining a CID reference sheet. Quickly access any location's Google Business Profile without searching.

Competitor Analysis

Extract competitor CIDs from their Google Maps listings for competitive SEO analysis and benchmarking.

Map Embeds & Widgets

Use CID numbers to create direct Google Maps embeds on your website that link to your exact business listing with review stars and photos.

How to Find Your Google CID Manually

If you prefer finding your Google CID without a tool, here are two methods:

Method 1: From Google Maps URL

Search for your business on Google Maps. Click on your business listing. Look at the URL in your browser's address bar — it contains the CID encoded as a hexadecimal value after !1s0x in the URL path. Our converter automatically extracts and converts this hex value to the decimal CID.

Method 2: From Google Maps Source Code

Right-click on your Google Maps listing page and select "View Page Source." Search for ludocid in the source code. The number following ludocid is your decimal CID number. This method works when the CID isn't visible in the URL.

CID vs Place ID: What's the Difference?

Google uses two identifiers for business listings:

  • CID (Client ID): A stable numeric identifier (e.g., 1234567890). Used in maps.google.com/?cid= URLs. Rarely changes.
  • Place ID: An alphanumeric string (e.g., ChIJN1t_tDeuEmsRUsoyG83frY4). Used in the Places API. Can occasionally change.

For long-term tracking and citation building, the CID is generally more reliable. For API integrations and programmatic lookups, the Place ID is the standard. Our GBP Audit tool uses both internally to ensure accurate results.

Frequently Asked Questions

What is a Google CID number?
A Google CID (Client ID) is a unique numeric identifier assigned to every business listing on Google Maps. It's an unsigned 64-bit integer that serves as the permanent reference for a Google Business Profile. The CID appears in Google Maps URLs as maps.google.com/?cid=XXXXX and is used by local SEO professionals for tracking, citation building, and competitive analysis.
How do I find my Google CID?
The easiest way is to paste your Google Maps URL into our converter above. You can also find it manually: search for your business on Google Maps, click your listing, and look at the URL in your browser. The CID is encoded as a hexadecimal value in the URL path. Our tool automatically detects and converts both decimal CID numbers and hex-encoded URLs.
Is the Google CID the same as a Place ID?
No. The CID is a stable numeric identifier (e.g., 1234567890), while a Place ID is an alphanumeric string (e.g., ChIJN1t_tDeuEmsR). CIDs are generally more stable over time, whereas Place IDs can occasionally change. For long-term tracking and citation building, the CID is typically more reliable.
Is this CID converter tool free?
Yes, 100% free with no usage limits and no signup required. The conversion runs entirely in your browser using JavaScript — no data is sent to any server. Use it as many times as you need for all your Google Maps CID lookups.
What Google Maps URL formats are supported?
Our converter supports all common Google Maps URL formats: direct CID links (maps.google.com/?cid=), place URLs with hex identifiers (0xHEX1:0xHEX2), ludocid parameters, ftid patterns, and shortened URLs (maps.app.goo.gl, goo.gl, g.page). Simply paste any Google Maps URL — full or shortened — and the tool will extract the CID automatically.
Why would I need a CID converter?
Local SEO professionals use CID numbers for several workflows: creating direct links to Google Business Profiles for citation submissions, tracking competitor listings in rank monitoring tools, building custom Google Maps embeds, and maintaining reference databases for multi-location businesses. A CID link is the most reliable way to reference a specific Google listing.
Can a Google CID change?
Google CIDs are generally stable and persist across listing updates, name changes, and address modifications. However, in rare cases — such as when a listing is deleted and recreated, or when Google merges duplicate listings — the CID may change. For this reason, it's good practice to periodically verify your CID references.
How is the CID hex value useful?
The hexadecimal (hex) form of the CID is how Google encodes it within Maps URLs. When you see !1s0x followed by a hex string in a Google Maps URL, that's the CID in hex format. Our converter shows both decimal and hex values so you can work with whichever format your tools require.
Does this tool work for any country?
Yes. Google assigns CIDs to business listings worldwide. Whether your business is in the United States, United Kingdom, Canada, Australia, or any other country with Google Business Profiles, this converter works identically. The CID system is global and language-independent.
Can I use the CID to create a direct link to my Google reviews?
Yes. Once you have your CID, you can construct a direct review link: https://search.google.com/local/writereview?placeid=YOUR_PLACE_ID. While the review link uses a Place ID rather than CID, knowing your CID helps you reliably identify and track the correct listing. Use our GBP Audit tool to get both identifiers.