Every time you share a bill, medical report or bank statement to ask AI a question, the sensitive data such as name, account numbers, and address is also uploaded to a cloud server you don't control. BlankOut automatically detects and redacts sensitive information on your Android device using on-device AI. GPS & EXIF metadata stripped too. Your data never leaves your phone. AI gets only what it needs. Share a clean, redacted version of your document in one tap.
Hey Product Hunt, I am Ji-Ling, and I built BlankOut,
Every time I wanted AI to help me with a document, I'd hit the same wall. The medical report, insurance forms, or contract contains private info in it such as name, account number, address, etc. I didn't want to upload that directly to AI or any cloud server. So I'd either give up, or spend 10 minutes manually covering things with some photo editors.
That workaround is embarrassing. I'm literally hiding my data with my hand.
I built BlankOut to solve this pain. It's a one-tap, fully offline solution that redacts PII (personally identifiable information) from your document using edge AIs. It allows you to easily prepare a clean and more secure version of document to any AI. Strips GPS & EXIF metadata too.
Android only for now. 5 free usages per day. One-time purchase for permanent use.
Question for the PH community: Have you ever avoided asking AI something or done manual workarounds because of privacy concern?
Amazing idea! I tend to upload plenty of confidential docs onto ChatGPT and I’ve always worried about it 🙈🙈 does it happen all automatically to cover 100% or I would need to do some manual work? Thanks and congrats on the launch 🚀!!
About BlankOut on Product Hunt
“Redact your docs on-device before sharing to AI”
BlankOut launched on Product Hunt on April 22nd, 2026 and earned 62 upvotes and 6 comments, placing #39 on the daily leaderboard. Every time you share a bill, medical report or bank statement to ask AI a question, the sensitive data such as name, account numbers, and address is also uploaded to a cloud server you don't control. BlankOut automatically detects and redacts sensitive information on your Android device using on-device AI. GPS & EXIF metadata stripped too. Your data never leaves your phone. AI gets only what it needs. Share a clean, redacted version of your document in one tap.
BlankOut was featured in Android (57.1k followers), Privacy (11.1k followers) and Artificial Intelligence (467.3k followers) on Product Hunt. Together, these topics include over 135.6k products, making this a competitive space to launch in.
Who hunted BlankOut?
BlankOut was hunted by Ji-Ling Hou. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how BlankOut stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Ji-Ling Hou
Hey Product Hunt, I am Ji-Ling, and I built BlankOut,
Every time I wanted AI to help me with a document, I'd hit the same wall. The medical report, insurance forms, or contract contains private info in it such as name, account number, address, etc. I didn't want to upload that directly to AI or any cloud server. So I'd either give up, or spend 10 minutes manually covering things with some photo editors.
That workaround is embarrassing. I'm literally hiding my data with my hand.
I built BlankOut to solve this pain. It's a one-tap, fully offline solution that redacts PII (personally identifiable information) from your document using edge AIs. It allows you to easily prepare a clean and more secure version of document to any AI. Strips GPS & EXIF metadata too.
Android only for now. 5 free usages per day. One-time purchase for permanent use.
Question for the PH community: Have you ever avoided asking AI something or done manual workarounds because of privacy concern?