Browser Geolocation Api Tester
Fast, accurate and free online browser geolocation api tester tool running directly in your browser.
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1Enter data
Enter content, paste text or load a file from disk. -
2Click the button
The tool will immediately process your data in the browser. -
3Get the result
Copy the finished text or save the file to your device.
return "Result ready in 0.1s";
}
Preview Raw JSON Data
{
"permission_state": "prompt",
"coordinates": {
"latitude": 52.22970000000000112549969344399869441986083984375,
"longitude": 21.01219999999999998863131622783839702606201171875,
"latitude_formatted": "52.2297",
"longitude_formatted": "21.0122",
"latitude_dms": "52\u00b0 13' 46.92\" N",
"longitude_dms": "21\u00b0 0' 43.92\" E"
},
"accuracy_m": null,
"altitude_m": null,
"altitude_accuracy_m": null,
"heading_deg": null,
"speed_mps": null,
"timestamp_ms": null,
"timestamp_iso": null,
"options": {
"use_browser_geolocation": true,
"enable_high_accuracy": true,
"timeout_ms": 10000,
"maximum_age_ms": 0,
"format": "decimal"
},
"note": "QA Note: Please check the permissions prompt and confirm reported accuracy in Chrome and Safari.",
"generated_at": "2026-08-30T22:51:35+00:00"
}
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Related tools
Other tools you may find usefulBrowser geolocation API tester – how do devices determine GPS position?
Geolocation is a technology that allows determining the physical geographic location of a device connected to the Internet. Modern web browsers have built-in support for the **HTML5 Geolocation API** standard, which allows web applications (with the user's explicit consent) to read precise geographic coordinates. This tool is widely used in online maps, local service search engines, food delivery systems and for ad personalization purposes. Our free **browser geolocation API tester** allows you to check what data your browser sees about you: it reads latitude and longitude, height above sea level, speed and direction of movement (if you are traveling) and precisely determines the margin of error (measurement accuracy) in meters.
Thanks to this, you will find out how accurate the location systems of your browser are, how the data on your computer and smartphone differ, and you will verify the correct operation of the GPS function in your device.
Comparison of geolocation methods used by browsers
A web browser does not always use a physical GPS receiver. Depending on the hardware and network connection, different positioning methods with varying accuracy are used:
| Positioning method | Accuracy (Margin of error) | How does it work? | Advantages | Disadvantages / Limitations |
|---|---|---|---|---|
| GPS / GLONASS / Galileo | From 2 to 10 meters | The device (mainly a smartphone) connects directly to navigation satellites in orbit. | Extremely high accuracy, works without connection to a cellular network. | Works properly only in open spaces (weak signal inside buildings), consumes a lot of battery. |
| Wi-Fi triangulation | 10 to 200 meters | The browser scans the MAC addresses of nearby Wi-Fi routers and compares them to a global location database (e.g. Google Location Services). | Fast operation, works great in cities and inside buildings. | Requires an enabled Wi-Fi card on the device and an up-to-date router location database. |
| Identification of base stations (LBS) | From 100 to 2000 meters | Location based on the ID of mobile phone towers (BTS) to which the smartphone or LTE modem is connected. | Works wherever there is telephone reception. | Low accuracy, especially in rural areas with sparse mast networks. |
| Geolocation by IP address | From 5 to 50 kilometers | Checking the database of the Internet provider (ISP) assigned to your current IP address. | Works on any desktop computer without GPS and Wi-Fi. | Very low accuracy (often shows a neighboring city or ISP location). |
Security, privacy and HTTPS policies
To protect user privacy, W3C and browser developers have imposed very strict security rules on the use of the HTML5 Geolocation API:
- HTTPS encryption requirement:As of Chrome 50 and Firefox 55, the Geolocation API works **only on sites secured with an SSL certificate (HTTPS)**. On sites using unencrypted HTTP, the browser will block access to location features for security reasons.
- User Permission:The website cannot read your position without your knowledge. The browser will always display a system message asking:"Do you want to allow this website to access your location?". Until you click "Allow", the script will not receive any coordinate data.
- Geolocation blocking:You can withdraw your consent at any time in your browser's privacy settings (by clicking the lock/settings icon next to the URL).
How to test geolocation in a browser? Instruction
To see your coordinates on the screen, follow the steps below:
- Click the "Check my location" button:The system will query the browser API.
- Allow access:When the browser pops up a window asking about privacy, click the "Allow" button.
- Read the data:Detailed parameters will appear on the screen: latitude, longitude, accuracy in meters (accuracy) and a link to open the position in Google Maps for visual verification. If your device supports it, you'll also see altitude and speed.
Frequently asked questions (FAQ)
How does geolocation work in a web browser and how does it know where I am?
The browser collects available data from your device (such as the IP address, information about nearby Wi-Fi networks, cell towers or a direct signal from the GPS chip) and then sends it (in anonymous form) to the location services of the operating system provider (e.g. Google or Apple), which return precise geographical coordinates.
Why does my browser display a message asking for location permission?
This is a privacy protection requirement of the GDPR and the security policy of software developers. Data about your physical location is considered sensitive information. By prompting you, you have full control over which websites can and cannot access your location.
How accurate is IP-based geolocation compared to GPS/Wi-Fi?
IP location is the least accurate - it is based on the network provider's database and usually indicates only a city or region (the error may be several dozen kilometers). Geolocation based on Wi-Fi networks in cities is accurate to several dozen meters. The physical GPS receiver in the phone allows you to locate the device in an open area with an accuracy of 3-5 meters.
What to do if the geolocation tester shows an incorrect or outdated position?
Errors most often result from using a desktop computer connected by cable (then the location is based only on IP) or from the fact that your Wi-Fi router's database in Google Location Services has not been updated yet (e.g. after moving to a new apartment). Also make sure you have GPS (High Accuracy Location) enabled on your phone.
How to disable or revoke geolocation permissions in browser settings?
Click the lock icon (or site settings icon) located on the left side of the URL bar. In the "Location" section, change the status from "Allow" to "Block". You can also manage all sites in your browser's main privacy settings under "Site Settings" -> "Location".