hat.sh
Free, fast, secure and serverless file encryption
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Hat.sh V2 - Simple, fast, secure in-browser file encryption

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Hat.sh is a web app that provides secure local file encryption in the browser.
It's fast, secure, and uses modern cryptographic algorithms with chunked AEAD stream encryption.

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Best
Amazing product. Been using this since v1 and seen the service progress through the years. Keep it up
Maker
Thank you for the kind words!
Maker
Hey everyone! I am happy to announce the release of Hat.sh v2 here on ProductHunt! This version introduces memory efficient in-browser large file chunked encryption using streams with libsodium. And it brings much more new features. The GitHub repository is available at Thank you! I'm looking forward to read your feedback.