How to build scalable web apps with OpenAI's Privacy Filter

How to build scalable web apps with OpenAI's Privacy Filter How to build scalable web apps with OpenAI's Privacy Filter Published April 27, 2026 Update on GitHub Upvote 16 yuvraj sharma ysharma Freddy Boulton freddyaboulton Abubakar Abid abidlabs OpenAI released Privacy Filter on the Hub this week: an open-source personally-identifiable information (PII) detector that labels text across eight categories in a single forward pass over a 128k context. We spent a few hours building with it and landed on three apps that each reveals a different slice of what it can do.

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• How to build scalable web apps with OpenAI's Privacy Filter Published April 27, 2026 Update on GitHub Upvote 16 yuvraj sharma ysharma Freddy Boulton freddyaboulton Abubakar Abid abidlabs OpenAI released Privacy Filter on the Hub this week: an open-source personally-identifiable information (PII) detector that labels text across eight categories in a single forward pass over a 128k context.
• We spent a few hours building with it and landed on three apps that each reveals a different slice of what it can do.
• Document Privacy Explorer : drop in a PDF or DOCX, read the document back with every PII span highlighted in place.
• Image Anonymizer : upload an image, get it back with redacted black bars over names, emails, and account numbers.
• The image is also editable on a canvas so you can make your own annotations before downloading.
• SmartRedact Paste : paste sensitive text, share a public URL that serves the redacted version, keep a private reveal link for yourself.