Helps you read Japanese text

Latest Version

Version
0.14.1
Update
October 12, 2022
Size
747KiB
Developer
www.japanese.io
Category
Users
10,000+
Rating
4.55556 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
ContextMenus
Scripting
ActiveTab
Background
Tabs
Storage
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Japanese IO Extension

This Chrome extension works in concert with Japanese IO (https://www.japanese.io) and brings easy access to dictionary lookups, readings, kanji and example sentences to help you read Japanese web pages.

Notice that this extension requires a free Japanese IO account, which can be created from the extension after it has been installed. Paid feature upgrades are available.

Word lookups are stored in your profile and you can review and study this vocabulary on the Japanese IO website.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Japanese IO", "description": "Helps you read Japanese text", "version": "0.14.1", "manifest_version": 3, "permissions": [ "contextMenus", "scripting", "activeTab", "background", "tabs", "storage" ], "host_permissions": [ "*://*/*", "http://localhost:5000/", "https://*.japanese.io/", "http://commons.wikimedia.org/", "https://fonts.googleapis.com/", "https://api.mixpanel.com/", "https://www.google-analytics.com/" ], "icons": { "16": "favicon.ico", "128": "favicon-128x128.png", "196": "favicon-196x196.png" }, "background": { "service_worker": "serviceWorker.bundle.js" }, "externally_connectable": { "matches": [ "http://localhost:5000/*", "https://staging.japanese.io/*", "https://www.japanese.io/*" ] }, "content_scripts": [ { "matches": [ "http://*/*", "https://*/*" ], "js": ["bootstrap.bundle.js"], "run_at": "document_end" } ], "options_page": "pages/options/OptionsPage.html", "action": { "default_title": "Japanese IO", "default_icon": { "128": "favicon-128x128.png" } }, "web_accessible_resources": [{ "resources": [ "/images/icons/triangle.svg", "/images/powerUp/powerhead-white-green.png", "/images/powerUp/powerhead-dark-green.png", "/images/icons/close.svg", "/images/logos/japanese-io-logo.svg", "/images/icons/star.svg", "/images/icons/star-grey.svg", "/images/icons/speaker.svg", "/images/icons/speaker-grey.svg", "/api/vocabulary/*/audio" ], "matches": [ "" ] }], "content_security_policy": { "extension_pages": "script-src 'self'; object-src 'self'" }}
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How to download and manually install Japanese IO extension for Chrome

Looking for a way to install Japanese IO 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 Japanese IO extensions manually, this article outlines two simple methods to effortlessly install Japanese IO extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

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

If you ever need to manually install a Japanese IO 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 Japanese IO Extension by clicking the "Download CRX" button on the website.

Look for the Japanese IO extension you wish to install. Go to the website and download the Japanese IO extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Japanese IO 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 Japanese IO 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 Japanese IO extension for Chrome and install in Developer Mode

This is another method to install Japanese IO 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 Japanese IO extension file

Select and download the Japanese IO 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 Japanese IO 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 Japanese IO 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 Japanese IO 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 Japanese IO extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Luke Gazala (ID: 000000012c0ad222) Voted 1 ★ - Updated 11/08/2023 u have to make an account

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Sweetie Peetie (ID: 0000001e76a9e4ca) Voted 5 ★ - Updated 09/14/2023 This is the best app in town that I have found, quicker simple highlighting words for furigana on websites, click and show the actual JLPT level of the word and frequency (not available on Yomichan that I can see), and word-tracking storage across extension to main IO website, analyzer, etc. In this way I believe it is better and simpler than Lingq as well, and pretty much everything else that I have seen to date.

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saika (ID: 0000003d24d4f795) Voted 5 ★ - Updated 05/26/2023 超級完美的功能,作為中文使用者。有多時候閱讀都是能理解文意,但不曉得日文發音。 有了這個之後變得很好學習。 如果之後詞語解釋多了其他語言就更棒了

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manish tandon (ID: 000000e7d7fe0a04) Voted 4 ★ - Updated 09/19/2022 good application but not reading editable text otherwise a good extension

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Kin (ID: 0000005b8f2e6808) Voted 4 ★ - Updated 08/19/2022 Great, functional and insanely helpful. only pet peeve is that there is no auto turn on