1time.io

About

1time.io is a free, open-source tool for sharing passwords, API keys, SSH keys, and sensitive files through encrypted one-time links that self-destruct after reading. You paste a secret. Your browser encrypts it with AES-256-GCM before anything leaves your device. You get a link. The recipient opens it once, reads it, and the data is permanently deleted. No account required. No tracking. No cookies.