Best AWS S3 Alternatives(2026)
We compared 3 alternatives to AWS S3 — so you can find the best option for your needs and budget.
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You're replacing
AWS S3
paidScalable object storage
Starts at $0.023/GB/month + egress
Common reasons to switch
Egress fees add up fastComplex pricingAWS account complexity
Cloudflare R2 is an S3-compatible object storage with zero egress fees and a generous free tier.
Pros
+No egress fees (huge vs AWS S3)
+S3-compatible
+Global CDN included
Cons
−No lifecycle policies (yet)
−Cloudflare account required
−Less mature than S3
S3-compatible APIZero egress feesGlobal replicationPublic bucketsWorkers integration
Backblaze B2 is S3-compatible object storage at $6/TB/month — 4x cheaper than AWS S3.
Pros
+4x cheaper than S3
+Free egress to Cloudflare
+S3-compatible
Cons
−Smaller ecosystem than S3
−Fewer regions than S3
−Less compliance certifications
S3-compatible APICloudflare partnership (free egress)VersioningLifecycle rulesPublic buckets
Supabase Storage is an S3-compatible object storage built on top of S3 with Postgres RLS policies for fine-grained access control.
Pros
+Integrated with Supabase auth
+Row-level security for storage
+Good free tier
Cons
−Tied to Supabase ecosystem
−Less mature than S3
−Limited to Supabase regions
S3-compatiblePostgres RLS policiesCDN deliveryImage transformationsResumable uploads