Description
KAZCODE Universal Storage moves your Media Library’s binary files — originals and every generated image size — to S3 or S3-compatible storage, and can serve them from your bucket or a CDN. WordPress stays the source of truth: attachment posts, titles, alt text, and metadata never leave your database.
- Auto-offload new uploads and generated sizes (per-object inventory and partial/retry-safe uploads)
- A storage profile with admin CRUD and profile-scoped delivery URLs
- Dashboard, Media, Storage, Migration, Health, and Logs admin screens
- Migrate, verify, restore, adopt-existing, health scan, and repair tools
- Safe import from WP Offload Media and Advanced Media Offloader: mandatory dry-run, exact-key verification, no credential copying, and no competitor data changes
- Crash-resumable multipart uploads for large local files; destination verification always precedes local cleanup
- Provider presets (AWS, Cloudflare R2, DigitalOcean Spaces, MinIO, Wasabi, Backblaze B2)
- WP-CLI, REST batch APIs, and resumable background jobs
- Optional Pro add-on for multiple storage profiles, cross-provider migration wizard, orphan scan, and advanced health tools — a separate plugin, not a trial or license key on this one
Theme and plugin static assets are never rewritten — only Media Library attachments.
External services
KAZCODE Universal Storage connects only to object-storage services explicitly configured by the site administrator. It does not send media, credentials, telemetry, or site data to any KAZCODE-owned service.
The plugin can connect to Amazon S3, Cloudflare R2, DigitalOcean Spaces, Wasabi, Backblaze B2, MinIO, or another administrator-supplied S3-compatible endpoint. Connections occur only when the administrator configures/tests storage, or uses offload, verify, restore, migrate/adopt, or remote-delete functionality.
Amazon S3 — https://aws.amazon.com/s3/
Customer Agreement: https://aws.amazon.com/agreement/ — Privacy: https://aws.amazon.com/privacy/
Cloudflare R2 — https://developers.cloudflare.com/r2/
Terms: https://www.cloudflare.com/legal/terms/ — Privacy: https://www.cloudflare.com/privacypolicy/
DigitalOcean Spaces — https://www.digitalocean.com/products/spaces
Terms: https://www.digitalocean.com/legal/terms-of-service-agreement — Privacy: https://www.digitalocean.com/legal/privacy-policy
Wasabi Object Storage — https://wasabi.com/product-terms
Legal: https://wasabi.com/legal — Privacy: https://wasabi.com/legal/privacy-policy
Backblaze B2 Cloud Storage — https://www.backblaze.com/cloud-storage
Terms: https://www.backblaze.com/company/policy/terms-of-service — Privacy: https://www.backblaze.com/company/policy/privacy
MinIO and other self-hosted or generic S3-compatible endpoints — the plugin talks directly to the administrator-configured endpoint; applicable terms and privacy depend on whoever operates it, not on KAZCODE. (https://min.io/)
Development
The human-readable development source and release build tools for KAZCODE Universal Storage are maintained at:
https://github.com/kazmij/kazcode-universal-storage-free
Release builds use Composer and PHP-Scoper (third-party dependencies are namespace-prefixed to avoid collisions with other plugins). Build instructions are in that repository’s BUILD.md.
Screenshots
Installation
- Upload the plugin folder to
/wp-content/plugins/kazcode-universal-storage/ - Activate through the Plugins menu
- Open Universal Storage Settings, enter bucket credentials, and test the connection
- Enable offload and migrate existing media from Universal Storage Migration
FAQ
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Does this replace the Media Library?
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No. WordPress keeps attachment records; S3 stores the binary files.
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Which S3 providers are supported?
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AWS S3 and S3-compatible APIs (R2, Spaces, MinIO, Wasabi, B2, generic endpoint).
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What’s the difference between Free and Pro?
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Free (this plugin) is a complete, non-trial product: automatic offload, migrate, verify, retry, restore, safe imports from WP Offload Media and Advanced Media Offloader, crash-resumable local multipart uploads, one storage profile, and full native Media Library integration. The separate Pro add-on unlocks multiple storage profiles with independent credentials, cross-provider/cross-bucket migration with verify-before-switch and the shared resumable engine, orphan scan, advanced health, and multisite network defaults. Deactivating Pro never deletes data or breaks media that’s already being served.
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Does this plugin connect to any external service?
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Only the storage endpoint you configure yourself — Amazon S3, Cloudflare R2, DigitalOcean Spaces, Wasabi, Backblaze B2, MinIO, or another S3-compatible service — using the credentials and bucket you provide under Universal Storage Storage. KAZCODE Universal Storage does not send your media files, credentials, or site data to any KAZCODE-owned server; there is no telemetry, tracking, or phone-home in this plugin.
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Does uninstalling delete my bucket files?
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No. Uninstalling never deletes remote storage objects, never contacts your storage provider, and never deletes WordPress attachments or local media files. By default it only removes disposable runtime state (locks, caches, queued job state) and preserves your storage profiles, credentials, and object inventory so a reinstall can recover them. An explicit “Delete Universal Storage data when uninstalling” setting (off by default) additionally removes that local plugin data — still never remote objects or media — if you want a full local cleanup.
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Where can I find documentation?
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Full documentation — installation, storage-provider setup, migration, restore, health, WP-CLI, troubleshooting, and Pro — is at https://kazcode.net/universal-storage/docs/.
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Where can I get support?
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Use this plugin’s WordPress.org support forum first. For direct contact, see https://kazcode.net/universal-storage/support/ or reach KAZCODE at kazmij@gmail.com.
Reviews
There are no reviews for this plugin.
Contributors & Developers
“KAZCODE Universal Storage” is open source software. The following people have contributed to this plugin.
Contributors
Translate “KAZCODE Universal Storage” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.1.0
- Safe, read-only imports from WP Offload Media and Advanced Media Offloader. A mandatory dry-run verifies exact source keys before import; credentials are never copied and competitor data is never changed.
- Crash-resumable multipart transfers for large local uploads, with durable sessions, provider part reconciliation, and destination verification before any destructive local cleanup.
- Shared resumable transfer infrastructure for Pro cross-provider migration; source URLs remain authoritative until the verified destination is committed.
- Import and transfer-session recovery state is preserved by default on uninstall and removed only by the existing opt-in purge setting.
1.0.0
- First public release
- Object inventory (
s3ms_objects), storage profiles, derived attachment status, queue jobs - Admin IA: Dashboard, Media, Storage (profile CRUD), Migration, Health, Logs, Settings
- Partial upload handling, retry for failed/partial attachments, restore clears meta and inventory
- Profile-scoped public URLs, storage migration wizard, health/repair/adopt tools
- Free/Pro feature separation, with the Pro-only implementation physically packaged in the separate Pro add-on rather than shipped (gated) inside this plugin; default plan is Free/Lite unless the Pro add-on is active
- PHP-Scoper release builds (
Kazcode\WpStorage\Vendorprefix)