UD5 Toolkit
Self-Destructing Note Creator - Online Write & Burn Encrypted
Write a note encrypted with a passphrase, share the link. Once opened and decrypted, the note is deleted from browser storage. Local only.
Privacy & Security Tools
3+ toolsEncrypted Daily Journal - Online Private Diary
Write daily notes encrypted with a password. All data stored in your browser. Export as encrypted file. True privacy.
Shared Storage API Demo - Online Cross‑Site Data
Write to shared storage and run a worklet to process data. Learn the privacy‑preserving alternative to third‑party cookies.