https://liaolongdong.github.io/account-password-helper/blog/index.en.html Product thinking and engineering deep-dives: local-first security, MV3 performance, Web Crypto internals and multi-environment login. en Tue, 27 Oct 2026 00:00:00 GMT https://liaolongdong.github.io/account-password-helper/blog/06-chrome-password-manager-guide.en.html https://liaolongdong.github.io/account-password-helper/blog/06-chrome-password-manager-guide.en.html Mon, 19 Oct 2026 00:00:00 GMT Built-in Chrome, cloud managers and local-first tools fit different users. Compare environment isolation, encryption, migration and offline use before choosing. password manager chrome extension comparison local-first open source https://liaolongdong.github.io/account-password-helper/blog/07-multi-environment-accounts.en.html https://liaolongdong.github.io/account-password-helper/blog/07-multi-environment-accounts.en.html Mon, 19 Oct 2026 00:00:00 GMT Four accounts for one system — how do you stop a test credential from landing in production? A practical guide to host matching, naming, dedupe and team handoff. multi-environment developer tools host matching testing account management https://liaolongdong.github.io/account-password-helper/blog/08-totp-two-factor-guide.en.html https://liaolongdong.github.io/account-password-helper/blog/08-totp-two-factor-guide.en.html Mon, 19 Oct 2026 00:00:00 GMT What TOTP is, why codes change every 30 seconds, and what to check before moving secrets from a phone authenticator into a browser extension. totp 2fa two-factor security browser extension https://liaolongdong.github.io/account-password-helper/blog/05-cross-subdomain-matching.en.html https://liaolongdong.github.io/account-password-helper/blog/05-cross-subdomain-matching.en.html Tue, 22 Sep 2026 00:00:00 GMT Exact-host matching isolates environments, but real logins span a subdomain family. Three tiers, one root-domain rule, and a %2A bug only a real browser caught. chrome extension password manager domain matching multi-environment testing frontend https://liaolongdong.github.io/account-password-helper/blog/04-login-flow-details.en.html https://liaolongdong.github.io/account-password-helper/blog/04-login-flow-details.en.html Sat, 05 Sep 2026 00:00:00 GMT Right-click fill, inline panel positioning, site-wide side panel search and the read-only entry drawer — the trade-offs and security boundaries behind each. chrome extension browser extension password manager frontend interaction design https://liaolongdong.github.io/account-password-helper/blog/01-local-first-password-manager.en.html https://liaolongdong.github.io/account-password-helper/blog/01-local-first-password-manager.en.html Fri, 28 Aug 2026 00:00:00 GMT A local-first, open-source Chrome password manager for developers juggling dev, test, staging and prod accounts. No account, no sync server, no cloud trust. password manager browser extension open source chrome extension local-first https://liaolongdong.github.io/account-password-helper/blog/02-mv3-sidepanel-sub-second-open.en.html https://liaolongdong.github.io/account-password-helper/blog/02-mv3-sidepanel-sub-second-open.en.html Fri, 28 Aug 2026 00:00:00 GMT MV3 service workers die without warning, so the side panel cold-starts white. Dual-layer keep-alive, four-tier pre-warming and three-way data racing fix that. chrome extension manifest v3 service worker performance frontend engineering https://liaolongdong.github.io/account-password-helper/blog/03-webcrypto-encryption-in-practice.en.html https://liaolongdong.github.io/account-password-helper/blog/03-webcrypto-encryption-in-practice.en.html Fri, 28 Aug 2026 00:00:00 GMT No crypto library, just the browser-native Web Crypto API — PBKDF2 at 600,000 iterations, per-field AES-256-GCM, session lifecycle and atomic re-keying. web crypto encryption password manager security chrome extension