Backblaze B2
Key B2 appSimple and fast GUI for your Backblaze B2 Cloud Storage buckets
Overview of Backblaze B2 Integration
Backblaze B2 offers ultra-affordable object storage. Ultra Explorer gives you a high-performance desktop explorer to manage your B2 buckets without using the web interface or terminal.
In-App Configuration Dialog
Screenshot of the configuration dialog inside Ultra Explorer.
Configuration Fields Breakdown (Required vs Optional)
Based on Ultra Explorer source code and rclone engine: discover which parameters are truly required and which are handled automatically.
Storage Name
Requiredparam: name Default value: Backblaze B2Unique identifier for this storage remote in Ultra Explorer (e.g. gdrive-perso, backup-s3).
Account Name / ID
Requiredparam: account Account identifier, Key ID, or storage account name required for authentication.
Application Key / Shared Key
Requiredparam: key Secret application key, shared key, or access token paired with your account.
Permanent Deletion (Hard Delete)
Optionalparam: hard_delete Default value: falseOptional. If false, deleting hides files and preserves prior versions. If true, files are permanently destroyed immediately.
Custom Download URL / CDN
Optional Advanced Optionparam: download_url Optional (Advanced). Custom CDN or proxy URL (e.g. Cloudflare in front of B2) to eliminate egress bandwidth fees.
Endpoint URL
Optional Advanced Optionparam: endpoint Optional for official AWS S3. REQUIRED for third-party S3 or MinIO (e.g. https://<account_id>.r2.cloudflarestorage.com or http://192.168.1.100:9000).
How to connect Backblaze B2 in Ultra Explorer
Simple 4-step walkthrough to connect your storage in under a minute.
Select Backblaze B2
Choose Backblaze B2 in the Item Storage section.
Generate an Application Key
In your Backblaze account, create a new app key with access to your buckets.
Enter credentials
Paste your Key ID into the 'Account' field and your Application Key into the 'Key' field.
Validate
Click 'Connect and verify'. All your B2 buckets become explorable immediately.
Frequently Asked Questions about Backblaze B2
Should I use native B2 API or S3 compatibility?
Ultra Explorer supports the native B2 API, ensuring optimal responsiveness and full support for Backblaze-specific features.
Other integrations in Object Storage (S3)
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Ready to explore your Backblaze B2?
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