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Account safety/security

Strengthening security for web browser logins to LINE-related services

You can add extra security for logging in to LINE-related services via a web browser by turning on two-factor authentication.

To turn on two-factor authentication:

1. From the LINE Home tab, tap Settings > Account.

2. Turn Two-factor authentication ON.

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Can anyone see information like my phone number, LINE ID, or email address?

Unless you share this information yourself on another site or with a friend, no one will be able to see it.

Note: The name you set on LINE, your profile photo, and status message will be visible to others.

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Can someone see my profile if I have their phone number but they don’t have mine?

If a person with your mobile phone number registered in their device's contacts starts using LINE, they will automatically be added to your friend list.

Note: They will not be added automatically if you have the Auto-add friends setting turned OFF.

If your phone number is not in the person's contacts, you will appear under Friend recommendations. In this case, your LINE display name, profile photo, status message, and profile cover photo will be visible, but the person won't be able to see any of your other information.

The only way to remove yourself from someone else’s friend recommendations is to delete your account. Also, if you have already been added as a friend, you'll continue to appear in the person's friend list unless your account is deleted.

For information on deleting your account, please see here.

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My device was lost or stolen

If your device has been lost or stolen, you should take the following steps to make sure that no one can use your LINE account.

• Transfer your LINE account or create a new one with the same registered phone number.

For information on how to transfer your account, see the Help articles below.

Transferring your account with a phone number

Transferring your account if your phone number has changed

Transferring your account with Facebook

For information on how to create a new LINE account with the same phone number, see this Help article.

If you create a new account, any paid items, chat history, friends, groups, and data for related services (including your LINE Pay balance, manga, and games) that you had will be deleted. Once this data is deleted, it cannot be restored.

If you cannot transfer your account or create a new one, or are unable to finish the verification process with the same phone number (e.g. because your phone number changed), please contact us here.

• Contact your mobile service provider.

Be sure to contact your contracted mobile service provider and let them know that your device was lost or stolen.

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My friends are seeing duplicates of my account

If you create a new LINE account on a new device without deleting the account on your previous device, you will end up having two accounts.

Your old account cannot be deleted if you are unable to use your previous device anymore. Please ask your friends to block your old account in this case.

Please see the following article for help with blocking friends:

Blocking Friends

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Hiding your LINE ID from search results

To hide your LINE ID from searches:

1. Go to the Home tab > Settings > Edit profile.

2. Turn OFF Allow others to add me by ID.

Tap here to open the Profile settings from your smartphone.

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I got a login notification from the LINE official account

The message you received is from the official account operated by LINE Corporation.

As part of our efforts to strengthen security, a message is sent when your account is transferred or tries to log in to LINE services.

If you received a notification but don't remember logging in, check the following.

• If you can use LINE

Someone else may be trying to log in using the information registered to your LINE account.

To prevent others from logging in to your account, change your password. For more information, see this Help article.

If you're still receiving messages after changing your password, change the email address registered to your LINE account. See this Help article for more information.

• If you cannot use LINE

Your LINE account may have been stolen by a third party. Please contact us via the Inquiry Form.

The content of the notification message will differ depending on what your account is trying to do. For more information, see the following Help articles.

I got a message saying I logged in to (or attempted to log in to) LINE on a PC or iPad

I got a message saying my version of LINE for PC is no longer supported

I got a message saying someone logged in to my LINE account on another device

I got a message saying another device's LINE app requested to verify my phone number

I got a notification about a detected login

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