---
title: "Discussion on \"A PNG Filename Is Not an Upload Policy\" | Hashnode"
description: "Discussion on \"A PNG Filename Is Not an Upload Policy\". Design safer file uploads with private quarantine, bounded image processing, generated storage keys and authorised retrieval."
url: "https://hashnode.com/posts/file-upload-validation-beyond-png-extension/6af6bf331307615244a2d52c"
---

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# [A PNG Filename Is Not an Upload Policy](https://jitsumi.hashnode.dev/file-upload-validation-beyond-png-extension?utm_source=hashnode&utm_medium=feed)

Design safer file uploads with private quarantine, bounded image processing, generated storage keys and authorised retrieval.

2d ago · 6 min read · jitsumi.hashnode.dev  
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-   [#security](https://hashnode.com/tag/security)

## Written by

[Jitsumi](https://hashnode.com/@jitsumi)

@jitsumi

  
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Jitsumi builds small Windows utilities for familiar, everyday PC tasks.

We are a small team of developers with one goal in mind. Pushing low spec PCs to the limit.

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