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Nota Backup & Restore

Nota Backup & Restore

By wpnota
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Description

Nota Backup & Restore creates complete WordPress backups (all files + database) in a single ZIP file. Designed for reliability on shared hosting — chunked processing ensures backups never fail due to PHP timeouts or memory limits.

Free Features

  • One-click full backup — all WordPress files + database in a single ZIP
  • Chunked ZIP creation — never times out, even on large sites
  • Configurable chunk settings — files per chunk and MB per chunk
  • AES-256 encryption for database backups
  • Custom exclusion rules — skip any folder or file path
  • Backup history with status, size, duration and error details
  • Estimated backup size before you start
  • Dashboard widget showing last backup status
  • Standalone installer — migrate to a new domain without WordPress

Premium Features (Pro Version)

The following features require the Pro version:

  • Cloud Storage — Google Drive, Amazon S3, Wasabi, Dropbox, Microsoft OneDrive, FTP/SFTP
  • Automatic scheduled backups — daily, weekly, monthly
  • Admin panel restore — one-click restore directly in WordPress
  • Emergency Recovery — standalone restore page that works even when WordPress is broken
  • Email notifications — success and failure alerts
  • Selective backup — database only or files only

How It Works

  1. Go to Nota Backup in the WordPress admin sidebar
  2. Click Start Backup
  3. The plugin creates a ZIP file of all your files and database
  4. Download the ZIP from the backup list

Standalone Installer

The installer is a standalone migration tool that runs without WordPress. It is downloaded separately from the admin panel — it is not bundled inside the backup ZIP:

  1. Download the backup ZIP and the Installer PHP file from the backup list
  2. Upload both files to the new server’s web root
  3. Open https://newdomain.com/installer_{backup_name}.php
  4. The installer extracts the ZIP, then prompts for new database credentials and new site URL
  5. Follow the step-by-step wizard — URLs and paths are replaced throughout the database

External Services

This plugin does not connect to any external APIs or services. No data is transmitted to any third party. All backup processing (ZIP creation, database export, encryption) runs entirely on your own server.

The plugin displays a link to https://www.wp-nota.com/pricing/ in the admin UI. This is a plain HTML hyperlink — clicking it opens the page in a new browser tab. No data of any kind is sent to this URL by the plugin.

Because no external service is used, no Terms of Use or Privacy Policy link is applicable to this plugin.

Note: The Pro version (distributed separately, not hosted on ww.wp.xz.cn) connects to third-party cloud storage services (Google Drive, Amazon S3, Wasabi, Dropbox, Microsoft OneDrive, FTP/SFTP). That code is not present in this plugin.

Screenshots

  • Main backup page — select backup type, see estimated size, and start a backup with one click.
  • Backup history — list of all backups with status, size, creation time, and download/actions buttons.
  • General Settings — configure chunk size, files per chunk, and AES-256 database encryption.
  • Exclusions — exclude cache directories, server config files, or any custom folder from backups.

Installation

  1. Upload the nota-backup-restore folder to /wp-content/plugins/
  2. Activate the plugin through the Plugins menu in WordPress
  3. Go to Nota Backup in the WordPress admin sidebar
  4. Create your first backup with one click

FAQ

Does it work on shared hosting?

Yes. Nota Backup & Restore is built specifically for shared hosting. Chunked processing keeps every request well within PHP time limits and memory constraints.

What is included in a full backup?

All WordPress files (themes, plugins, uploads, wp-content) plus the complete MySQL database, packaged into a single ZIP file.

Can I schedule automatic backups?

Automatic scheduled backups require the Pro version. The free version supports on-demand (manual) backups.

What happens if a backup fails halfway through?

The plugin detects and cleans up incomplete backups automatically. Error details are logged to backup history.

Is AES-256 encryption secure?

Yes. The database is encrypted with AES-256-CBC. The encryption key is derived from your password using SHA-256.

Can I restore to a different domain?

Yes. The standalone installer handles full migrations. It replaces all URLs and paths — including inside serialized PHP data — so WordPress loads correctly on the new domain.

Does the free version connect to any external services?

No. The free version makes no external API calls. The only external link is the “Upgrade to Pro” button, which opens https://www.wp-nota.com/pricing/ in a new tab.

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Contributors & Developers

“Nota Backup & Restore” is open source software. The following people have contributed to this plugin.

Contributors

Translate “Nota Backup & Restore” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

2.1.3

  • New: Settings > Exclusions — “Skip .ini files in WordPress root” option (default on); prevents php.ini / .user.ini from being included in backups and causing issues after migration
  • New: Settings > Exclusions — Staging tab added with PRO badge
  • Fix: Installer URL replace infinite loop on tables with non-UTF-8 primary keys (e.g. wp_wffilemods); cursor now base64-encoded in state
  • Fix: Installer state save failure on non-UTF-8 database content (JSON_INVALID_UTF8_SUBSTITUTE)
  • Fix: Installer MySQL error 1293 — TIMESTAMP multi-default incompatibility with MySQL 5.5 now auto-corrected
  • Fix: Installer progress bar resetting on every replace chunk
  • Fix: AJAX permission/nonce error showed generic “DB init failed.” instead of actual message

2.1.2

  • New: Site Changes Bar — shows what changed since the last backup (WordPress update, plugin/theme changes, new uploads) in the main backup card

2.1.1

  • New: Activity Logs system — wpbn_logs DB table stores per-backup log entries (info/warning/error) for debugging and audit
  • New: Logs admin page — backup rows are collapsible, showing timestamps and level badges; system-level logs shown separately
  • New: Log retention setting — keep logs for last N backups (default 20), configurable from the Logs page

2.1.0

  • New: Backup Encryption (AES-256) is now a free feature — password stored securely using WordPress secret keys
  • New: Remove Encryption button in Settings to clear saved encryption password
  • Fix: pollBackupStatus() now has a max retry limit (20) to prevent infinite polling on stale state
  • Fix: ZIP close() failure recovery now rolls back offset to prevent double-processing files
  • Cleanup: Removed dead and premium-only code from free plugin (restore engine stubs, cloud handlers, duplicate JS functions)

2.0.9

  • New: French (fr_FR) translation added

2.0.8

  • New: Cache directory exclusions moved to Settings — checkboxes for W3TC, WP Super Cache, WP Rocket, Divi, WP-Optimize, Breeze cache folders
  • Improvement: Cache exclusion paths no longer hardcoded — stored in database, configurable per site

2.0.7

  • Fix: Backup directory moved to uploads folder (wp-content/uploads/nota-backup-restore) per wp.org guidelines
  • Fix: Removed PclZip fallback and global PCLZIP_TEMPORARY_DIR constant — ZipArchive is required

2.0.6

  • Fix: Orphaned backup state (PHP killed mid-backup) now creates a failed record automatically via hourly cron — no longer requires opening the admin panel

2.0.5

  • Fix: Removed non-functional notification code (email settings, test email handler) that was included but had no effect in the free version
  • New: Backup type selector replaced with visual cards (Full, Database Only, Files Only)
  • Improvement: File sizes in GB now display two decimal places (e.g. 1.34 GB)
  • Improvement: ZIP chunk size is now auto-calculated based on available server memory
  • Improvement: Files per chunk automatically scales with chunk size, with optional manual override in Settings

2.0.4

  • Improvement: Smart chunk size auto-calculation based on server memory
  • Improvement: Files per chunk auto-derived from chunk size (chunk MB × 40)

2.0.3

  • Fix: Removed scheduled backup cron hook and callback — scheduled backups are a Pro feature and must not exist as locked code in the free version (Guideline 5)
  • Fix: Removed wpbn_run_cron_now AJAX action that returned a premium-only error
  • Fix: Removed cron schedule interval definitions (wpbn_daily, wpbn_weekly, etc.) which were only used for scheduled backups
  • Fix: Removed assets/icon-128x128.png from plugin ZIP — plugin assets must be uploaded separately via SVN

2.0.2

  • Fix: Estimated backup size now works — wpbn_size_estimate AJAX handler was missing and has been added
  • Fix: DB health check and test email AJAX handlers were missing and have been added
  • Security: installer-template.php removed from plugin; backup ZIPs no longer contain installer.php — the installer is now generated on demand and downloaded separately from the admin panel as a .php file, never written to the server filesystem

2.0.1

  • Fix: Removed bundled-but-locked feature stubs to comply with ww.wp.xz.cn Guideline 5 (Trialware)
  • Fix: installer-template.php security hardening — removed error_reporting(E_ALL), capped max_execution_time to 3600, fixed CSRF token output escaping, sanitized HTTP_HOST
  • New: Standalone installer is now downloaded separately alongside the backup ZIP — upload both to the new server, open installer.php, and it extracts the ZIP and migrates the database automatically

2.0.0

  • New: Free version released on ww.wp.xz.cn as “Nota Backup & Restore”
  • Removed: Freemius SDK — no longer required in the free version
  • Removed: Cloud storage code — available in Pro version only
  • Removed: Restore engine — available in Pro version only
  • Removed: Emergency Recovery — available in Pro version only

1.9.7

  • New: “Files Per Chunk” setting — configures how many files are processed per ZIP request
  • Fix: ZIP Chunk Size (MB) setting now correctly limits bytes per request during ZIP creation

1.9.6

  • Fix: Plugin deactivation now clears scheduled cron events to prevent orphaned tasks
  • Fix: Critical file write operations now return proper errors on failure instead of silently corrupting the backup

1.9.5

  • Improvement: Database export now streams directly to disk in 500-row batches — prevents out-of-memory errors on large databases

1.4.3

  • Fix: Bootstrap CSS now bundled locally instead of loaded from CDN
  • Fix: Wrapped all admin_url() calls with esc_url()

1.0.0

  • Initial release

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