
Flashpaper — Zero-Knowledge Self-Destructing Notes & Encrypted File Sharing
Send self-destructing notes and files with zero-knowledge encryption and screenshot protection.
minpym · HN
Flashpaper – Self-destructing secret sharing with no database
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Send self-destructing notes and files with zero-knowledge encryption and screenshot protection.
minpym · HN
Flashpaper – Self-destructing secret sharing with no database

Merge, compress, split, and convert PDFs entirely in your browser without uploading files.
@notApplicaky · X

Drop files to generate cryptographic proofs showing they haven't been modified, all in-browser.
@WiseEstSystems · X

Secure file transfer app with encryption, expiration dates & password protection. Share files GDPR-compliant with DailyBuddy Send
@beckerilja · X
Just shipped: Send is now two-way. 🎉 You could always share files securely. Now the recipient can upload files & send text back too — no account needed. Secure file requests, basically. → #buildinpublic #saas

79+ privacy-first online tools to convert, compress, and download files. Ad-free, no tracking. €1 day pass, €6/year, or €30 lifetime — no SaaS lock-in.
@philippenamias · X

Send large files with a simple link. Password-protected, expiring transfers — no account needed to receive.
@Odisssi · X

Free online PDF, image, QR and text tools. 100% private — every file is processed in your browser and never uploaded to a server.
@codechandra · X

Instantly share files and text across devices (Mac, PC, iOS, Android, Smart TVs) via your browser, no signup needed.
@WackyCrocoGator · X
This one doesn’t require any signup or payment. Just load and multiple device by opening the site on them and connect them for an easy way to drop text and file to each other.

Crop, redact, blur, and export screenshots privately without uploading to any server.
@noshkass · X
Built SAFEFRAME a private, browser-only screenshot sanitizer. Crop, blackout, blur, and export sensitive screenshots without uploading a single byte. Try it: Built with ChatGPT Sites. @chatgptapp #Giveaway

Drop a file to get a shareable link—no signup required.
@gonelf · X
So many things - dead simple way to share projects within your team - dead simple base - no backend forms - ez directory submissions - a Lego event

Share HTML files via temporary links instead of emailing attachments.
@prabalhere · X
I built to share HTML pages (mostly vibe-coded ones) with your team/clients. Drop the file, get a link, gone in 24 hours. Free and anonymous. There are other tools, but they're expensive, and it shouldn't cost that much. Building this into something more!

Store and sync files with end-to-end encryption that keeps them hidden from the server.
@vaultdesk · X