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Supabase · Concept

Storage buckets

Supabase Storage buckets organize files and define access, upload size, and content-type rules. They are private by default; public buckets allow URL-based reads, while private buckets require authorization or a temporary signed URL.

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  • Private buckets
  • Public buckets
  • RLS policies
  • storage.objects
  • download method
  • createSignedUrl

Source: Storage Buckets | Supabase Docs. Checked 2026-11-03.