--- title: (Almost) everything about storing data on the web description: A comprehensive guide to client-side web storage options including localStorage, IndexedDB, Cache API, and the Origin-Private File System (OPFS). Covers how... canonical: https://daily.dev/posts/almost-everything-about-storing-data-on-the-web-ui3f7ny9l twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: (Almost) everything about storing data on the web | daily.dev og:description: A comprehensive guide to client-side web storage options including localStorage, IndexedDB, Cache API, and the Origin-Private File System (OPFS). Covers how... og:url: https://daily.dev/posts/almost-everything-about-storing-data-on-the-web-ui3f7ny9l og:image: https://api.daily.dev/og/posts/Ui3f7NY9l.png og:image:alt: (Almost) everything about storing data on the web og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # (Almost) everything about storing data on the web **[Patrick Brosset](https://daily.dev/sources/patrickbrosset)** · 16 min read · 0 upvotes · 0 comments ## Summary A comprehensive guide to client-side web storage options including localStorage, IndexedDB, Cache API, and the Origin-Private File System (OPFS). Covers how browsers manage storage internally using the storage spec model (sheds, shelves, buckets, bottles), per-browser storage quotas (Safari: 1GiB+, Chromium: up to 60% of disk, Firefox: 10% capped at 10GiB), how to check available storage via the StorageManager API, and the difference between temporary and persistent storage including eviction policies per browser. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [How to Store Files on a User’s Device Using OPFS](https://daily.dev/posts/how-to-store-files-on-a-user-s-device-using-opfs-qbl7mtcmb) · Telerik · 1 upvotes · 0 comments --- Tags: [#webdev](https://daily.dev/tags/webdev) [View this post on daily.dev](https://daily.dev/posts/almost-everything-about-storing-data-on-the-web-ui3f7ny9l) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"(Almost) everything about storing data on the web","url":"https://daily.dev/posts/almost-everything-about-storing-data-on-the-web-ui3f7ny9l","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/almost-everything-about-storing-data-on-the-web-ui3f7ny9l"},"datePublished":"2026-03-22T11:40:39.775Z","dateModified":"2026-03-22T11:41:54.268Z","description":"A comprehensive guide to client-side web storage options including localStorage, IndexedDB, Cache API, and the Origin-Private File System (OPFS). 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