S3 storage guides
Install Blob0 on your Mac, connect Cloudflare R2 or Amazon S3, and share private files with expiring links. Choose a guide for the task you want to complete.
Install → connect → share
Start with the macOS installation guide, choose the connection instructions for your storage provider, then learn how to share an individual file. Each guide follows the current Blob0 interface and explains its limits.
Install Blob0 on macOS
Check macOS 11.0+ compatibility, download the universal app, and start your 30-day trial.
Read the installation guideConnect Cloudflare R2
Create bucket-scoped S3 credentials, find the R2 API endpoint, and test your connection before saving it.
Set up an R2 connectionConnect Amazon S3
Match your bucket’s AWS region and endpoint, fill in the access-key fields, and troubleshoot connection errors.
Set up an Amazon S3 connectionShare private files
Use the Share dialog to create a presigned download link, choose its expiry, and understand access and permission limits.
Learn about presigned linksStill choosing a desktop client?
Review the Mac S3 client workflow, supported storage presets, and the trial or license that fits your work.