How to Make All Objects in an Amazon S3 Bucket Public by Default?

There are several ways to make objects in an S3 bucket public. The first is to use the following bucket policy:

  "Version": "2012-10-17",
  "Statement": {
    "Action": "s3:GetObject",
    "Effect": "Allow",
    "Resource": "arn:aws:s3:::my-bucket/*",
    "Principal": "*"

This (& other) policies can be generated using AWS’s official policy generator at

You can also use the (legacy) Access Control Lists to allow public read:

If you’re using the S3 CLI to synchronize local directories with an S3 bucket & want all such files to be public, do this:

aws s3 sync ./local-directory s3://my-bucket --acl=public-read

Also see:

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