selfstore is a local-first storage library for browser apps: an automatic working copy in IndexedDB, portable encrypted ZIP backups, durable homes (a disk file, Google Drive, WebDAV, an S3 bucket) and serverless multi-device sync.https://selfstore.dev/https://selfstore.dev/blog/schema-migrations-without-a-database/https://selfstore.dev/blog/schema-migrations-without-a-database/Local-first inverts who owns the data, and with it who can run a migration. What replaces the deploy-time script - a read-time upgrade, a version that travels with the file, and a loud refusal in the other direction.Thu, 30 Jul 2026 00:00:00 GMThttps://selfstore.dev/blog/offline-first-interfaces/https://selfstore.dev/blog/offline-first-interfaces/Offline-first deletes most of the UI states a server app needs - spinners, retry toasts, optimistic rollback - and adds three smaller obligations in their place.Sat, 25 Jul 2026 00:00:00 GMThttps://selfstore.dev/blog/indexeddb-as-working-copy/https://selfstore.dev/blog/indexeddb-as-working-copy/A local database as the app's live state - not a server round-trip, not localStorage - and the separation between a working copy and a durable home that makes it safe.Fri, 24 Jul 2026 00:00:00 GMThttps://selfstore.dev/blog/local-first-is-a-security-posture/https://selfstore.dev/blog/local-first-is-a-security-posture/The largest breaches are server-side. Keeping one person's data on their own device removes a whole class of them - and here is exactly which class, and which threats it does not touch.Fri, 24 Jul 2026 00:00:00 GMThttps://selfstore.dev/blog/encrypted-backups-browser/https://selfstore.dev/blog/encrypted-backups-browser/What client-side encryption actually protects against, why AES-256-GCM over Argon2id, and why a format spec beats a vendor promise.Sat, 11 Jul 2026 00:00:00 GMThttps://selfstore.dev/blog/no-backend/https://selfstore.dev/blog/no-backend/An honest decision tree for when a web app actually needs a server - and how far durability, backups and multi-device sync go without one.Sat, 11 Jul 2026 00:00:00 GMThttps://selfstore.dev/blog/sync-without-server/https://selfstore.dev/blog/sync-without-server/Storage-as-mailbox, hybrid logical clocks and per-collection merge strategies - how deterministic convergence works when nobody runs a server.Sat, 11 Jul 2026 00:00:00 GMT