Once

What it does

"Once" scrambles the frames of photos and videos you take and saves them as files. These files can only be opened correctly once by the recipient. Once a file has been opened, it cannot be opened correctly by anyone else. Currently available on Google Play.

• 
  Google Photos2015 · workspaceupdates.googleblog.com · ▲667

  Automatic backup and unlimited storage for all your photos

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  Once2020 · ▲75

  Share private infomation away from email and chat.

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  Lookback2022 · ▲138

  Share memories by attaching video messages to your photos

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  Instants by InstagramMay 2026 · about.instagram.com · ▲160

  Send disappearing, unedited photos to Close Friends

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  Once Photos2020 · ▲7

  Rediscover your photos by chance, share and challenge others

• 
  Shared Albums by Google Photos2015 · ▲107

  Share photos & videos between friends and family

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