Amazon S3 client for Mac
Use Blob0 on Mac to browse, preview, upload, download, and share objects in an existing Amazon S3 bucket. Match the bucket region and endpoint, and grant only the object actions your workflow needs.
Treat an existing Amazon S3 bucket as a file workspace: review a release asset before downloading, upload a revised delivery, or prepare a temporary object link. Blob0 connects with an AWS Region and key pair; it does not create buckets or manage your AWS account.
macOS 11.0+ · one universal app for Apple silicon and Intel Macs
Try every Blob0 feature for 30 days. No Blob0 account or payment details are required to start.
Connect an existing Amazon S3 bucket
Use the bucket’s AWS Region to select the regional S3 endpoint in Blob0. For example, a bucket in us-west-2 can use https://s3.us-west-2.amazonaws.com; enter the bucket name separately.
Region-specific endpoint
Set the Region to the bucket’s actual AWS Region and use its HTTPS S3 endpoint. This example uses us-west-2 and s3.us-west-2.amazonaws.com; other regions have different endpoint names.
Existing bucket and key pair
Enter an existing bucket plus an Access Key ID and Secret Access Key. Blob0 stores the key pair in macOS Keychain; this connection form does not accept STS session tokens or AWS SSO sign-in.
Grant only needed S3 actions
Listing needs s3:ListBucket; reading, uploading, and deleting objects need s3:GetObject, s3:PutObject, and s3:DeleteObject as applicable. Scope access to the intended bucket and object paths.
Check encryption permissions
If objects use SSE-KMS, the relevant AWS KMS key permissions may also be needed. Bucket policies and organization controls can further restrict a request.
Blob0 manages objects in the connected bucket. It is not an AWS IAM or account console, and it cannot change bucket policies or KMS key permissions for you.
Amazon S3 regional endpointsAmazon S3 policy actionsUse an S3 bucket as a Mac file workspace
Start from the bucket you already use for a release, customer export, or delivery package. Blob0 provides object-file workflows inside that connection; AWS still controls access and encryption policy.
Review a release asset
Filter the current bucket, preview a supported object, and download the selected release file to your Mac before sharing it with a teammate.
Publish a revised delivery
Upload a revised export and follow transfer progress, then rename or move the object within the connected bucket if its key needs organizing.
Prepare a temporary download
Open the object’s Share… action and choose Presigned to create a time-limited link for a partner. The recipient still needs a valid link and the AWS request must remain authorized.
Know the Amazon S3 client boundaries
- Connect a bucket that already exists. Blob0 does not create AWS resources or manage IAM, account settings, or billing; use AWS tools for those tasks.
- The connection form requires an Access Key ID and Secret Access Key. It does not provide SSO or STS session-token sign-in.
- Blob0 works with objects in the connected bucket. It does not mount a bucket in Finder or migrate objects across buckets; use AWS tools for those tasks.
Install Blob0 and connect an S3 bucket
Start the 30-day trial, compare the one-time license options, or follow the Amazon S3 guide for the connection form and troubleshooting steps.