Browser Extension

Browser Extension Privacy

Last updated: June 11, 2026

Purpose

BucketMate Browser Extension helps BucketMate Web send signed S3-compatible requests from your browser to supported storage provider endpoints. It exists only to support user-initiated storage actions in BucketMate Web.

Allowed Pages

The extension content script is limited to these pages:

  • https://app.bucketmate.app
  • http://localhost for local development
  • http://127.0.0.1 for local development

Data Processed

To complete storage actions, the extension may process request URLs, request headers, request bodies, response headers, and response bodies. This data is used only to forward the signed request and return the provider response to BucketMate Web.

Allowed Storage Endpoints

The extension can send signed requests only to supported provider endpoint families:

  • Amazon S3 endpoints on amazonaws.com and amazonaws.com.cn
  • Backblaze B2 S3 endpoints on backblazeb2.com
  • DigitalOcean Spaces endpoints on digitaloceanspaces.com
  • Cloudflare R2 endpoints on r2.cloudflarestorage.com
  • Google Cloud Storage endpoints on storage.googleapis.com
  • Supabase Storage endpoints on supabase.co
  • localhost and 127.0.0.1 for local development

Credentials

The extension does not store S3 access keys, secret keys, session tokens, bucket configuration, or provider credentials.

Data Use

  • Extension data is not sold.
  • Extension data is not used for advertising.
  • Extension data is not used to build user profiles.
  • Extension data is not sent to BucketMate servers for storage operations.

Contact

For privacy questions, email support@bucketmate.app.