Increase contrast in Google Maps

Latest Version

Version
1.0.2
Update
September 25, 2013
Size
158KiB
Developer
Category
Users
6,000+
Rating
2.78125 ★
Manifest Version
2
Web Store Status
Languages Support
English (United States)
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Permissions
*://*/*
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HigherContrastForGoogleMaps Extension

PLEASE SKIM THROUGH THIS TEXT FIRST:

** Right-click (Mac: control-click) the Earth/Satellite button to toggle! **

This extension increases the contrast on Google Maps so it's easier to see buildings and roads.

It works for both traditional Google Maps at maps.google.com and the new one at www.google.com/maps.

Toggling to Earth/Satellite mode turns off the extra contrast.

By right clicking the Earth/Satellite button you can toggle the extra contrast independently.

The extra contrast is implemented using a CSS -webkit-filter and is determined experimentally. There probably exists better filter than this one, and the filter will be improved in the future. Please feel free to send suggestions.

Bugs:
* Entering or leaving street view does not automatically toggle the contrast, yet.
* Labels become a bit blocky.
* The extension asks for permission to *all pages* because I didn't have time to enumerate all top-level domains for Google Maps such as www.google.de/maps and www.google.co.jp/maps (there are lots).
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "HigherContrastForGoogleMaps", "description": "Increase contrast in Google Maps", "version": "1.0.2", "permissions": [ "*://*/*" ], "background": { "scripts": [] }, "browser_action": { "default_icon": { "128": "us128.png", "64": "icon64.png", "48": "icon48.png", "32": "icon32.png" }, "default_popup": "popup.html", "default_title": "HigherContrastForGoogleMaps" }, "content_scripts": [ { "exclude_globs": [ ], "include_globs": [ "*" ], "js": [ "HigherContrastForGoogleMaps.user.js" ], "matches": [ "*://*/*" ], "run_at": "document_end" } ], "converted_from_user_script": false, "content_security_policy": "script-src 'self' https://ajax.googleapis.com; object-src 'self'; style-src 'self' 'unsafe-inline'", "icons": { "128": "us128.png", "64": "icon64.png", "48": "icon48.png", "32": "icon32.png" }}
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How to download and manually install HigherContrastForGoogleMaps extension for Chrome

Looking for a way to install HigherContrastForGoogleMaps extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install HigherContrastForGoogleMaps extensions manually, this article outlines two simple methods to effortlessly install HigherContrastForGoogleMaps extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download HigherContrastForGoogleMaps extension and manually install through Drag &Drop

If you ever need to manually install a HigherContrastForGoogleMaps extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the HigherContrastForGoogleMaps Extension by clicking the "Download CRX" button on the website.

Look for the HigherContrastForGoogleMaps extension you wish to install. Go to the website and download the HigherContrastForGoogleMaps extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for HigherContrastForGoogleMaps extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the HigherContrastForGoogleMaps extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download HigherContrastForGoogleMaps extension for Chrome and install in Developer Mode

This is another method to install HigherContrastForGoogleMaps extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the HigherContrastForGoogleMaps extension file

Select and download the HigherContrastForGoogleMaps extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the HigherContrastForGoogleMaps extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your HigherContrastForGoogleMaps extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the HigherContrastForGoogleMaps extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install HigherContrastForGoogleMaps extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Dylan Morgan (ID: 00000013086b36c0) Voted 2 ★ - Updated 01/26/2023 It works... kind of... It does improve the map view of Google Maps enough that it is usable... but it makes the satellite view UNUSABLE. The developer claims that it only affects map view, and that you can toggle it on/off... but these are LIES. The developer has known for years that these features don't work, and has never bothered to fix them.

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What's in a Name? (ID: 0000002660e2f605) Voted 2 ★ - Updated 01/15/2023 Can't turn it off! Pitty, i was looking for such an extension..

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Martin Lasarsch (ID: 000000a1a338b932) Voted 1 ★ - Updated 11/26/2022 toggle is not working in chrome, not working at all in opera. Pictures and sat view gets way to dark. There a so many comments that it is not working, maybe do something. If it works it is great.

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Malc B (ID: 00000081127f43cc) Voted 1 ★ - Updated 07/30/2022 Simply doesn't work.... you should get your T shirt, long haired software geeks to put down their coffee and fix it...

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Craig Given (ID: 00000072207bb073) Voted 1 ★ - Updated 04/27/2022 Did not work. Right-clicking satellite did nothing. Refresh didn't work either.