Amazon S3

Scalable object storage for any data size or type

4.2(198 reviews)freemiumFounded 2026

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Integrates with

AWS S3 stores and retrieves unlimited amounts of data via a simple web interface. Built for developers, enterprises, and anyone needing reliable, durable cloud storage with pay-as-you-go pricing.

S3 offers 11 nines of durability, automatic replication across availability zones, and multiple storage classes for cost optimization. Features include versioning, lifecycle policies, access controls, and direct integration with 200+ AWS services. Handles everything from static websites to data lakes to backup archives at any scale.

Pros

Store unlimited data with predictable per-GB pricing
Achieve 99.999999999% durability through automatic redundancy
Integrate directly with EC2, Lambda, RDS, and other AWS tools
Use lifecycle rules to automatically move data to cheaper storage tiers
Control access granularly with IAM policies and bucket policies

Cons

Data transfer out of AWS incurs egress charges that can add up quickly
API requests have per-1000-request pricing; high-frequency access patterns get costly
Requires AWS account setup and understanding of bucket configuration for security