JavaScript 2 Factor Authenticator
A single web page that uses local JavaScript to calculate time-based one-time password (TOTP) codes for two-factor authentication, and works offline. It acts as a browser-based alternative to authenticator apps like Google Authenticator for users who want to generate 2FA codes without a phone app or sending secrets to any server.
Not sure how to add JavaScript 2 Factor Authenticator to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.
Own JavaScript 2 Factor Authenticator? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.
How to install JavaScript 2 Factor Authenticator as a PWA
Are you the maker of JavaScript 2 Factor Authenticator? Claim this listing →
Similar to JavaScript 2 Factor Authenticator
A privacy-first PDF toolkit where every operation — merge, split, compress, rotate, sign, watermark, convert — runs entirely client-side with zero uploads and zero tracking. The standalone web manifest makes it installable from the browser, turning BentoPDF into a local PDF app that never phones home with your documents.
Open-source password manager — the best LastPass alternative. End-to-end encrypted vault, browser extension, cross-device sync. Free for personal use, self-hostable. Vaults stay readable offline once the app is installed, so a lost connection never locks you out of your own passwords.
Open-source, end-to-end encrypted password manager and digital wallet. Self-hostable, audited codebase, beautiful UI. A worthy Bitwarden alternative for privacy-focused teams. The vault is encrypted before it leaves the device, so a self-hosted server stores data it cannot read.
A serverless PDF tool that lets you merge, sort, delete, and split PDF files directly in your local browser, inspired by the macOS Preview app. Because processing happens client-side rather than on a server, files stay on your machine, which suits anyone handling documents they would rather not upload.
Open source, multiplatform alternative to Authy. An authenticator and 2fa code generator to use across multiple devices and platforms in a form of a PWA

A single-purpose utility that generates secure, hard-to-guess passwords at the click of a button. Users who need a fresh random password for a new account can produce one instantly in the browser. A lighter-weight companion to full password managers such as Bitwarden or 1Password.
Own a PWA? See the listing options — standard submission is free.