File Media Renamer for SEO

File Media Renamer for SEO is a lightweight and fast WordPress plugin designed to improve your website』s SEO by allowing you to rename media files directly from the WordPress Media Library.
The plugin automatically updates all references to renamed files throughout your website, ensuring no broken links or missing images.

The plugin focuses on safe renaming, performance, and SEO best practices, with features to keep your media metadata aligned with new filenames and preserve search equity via 301 redirects.

Features

Individual File Renaming

• Rename any media file directly from the WordPress Media Library
• Convert file names to SEO-optimized formats automatically
• Update all references to the renamed file across your website
• Rename all thumbnail sizes along with the main file
• Built-in rename history with quick undo

Bulk Renaming

• Rename multiple files at once via Media Library bulk actions
• Sequential naming (e.g., new-name-1, new-name-2) for consistent batches
• Real-time progress and batch processing up to 50 files

Automatic Content Updates

• Updates references in posts, pages, custom post types, and metadata
• Handles serialized data structures
• Efficient background processing via WordPress cron
• Automatic cache clearing after operations

SEO Enhancements

• Optionally update media titles to match the new file name
• Automatically update alt text attributes for better accessibility and SEO
• Converts hyphens/underscores to readable titles

Redirect Management

• Creates 301 redirects from old file URLs to new ones
• Stores redirects in a dedicated database table for performance
• Handles redirects for all thumbnail sizes

Advanced Features

• Prevents filename conflicts by generating unique names
• Validates files before renaming for safety

Usage

Individual File Renaming

1. Go to Media → Library.
2. Click on a file to open the attachment details.
3. Enter the new SEO name in the SEO Name field.
4. Click Save SEO Name — all references will update automatically.

Bulk Renaming

1. Switch the Media Library to List view.
2. Select multiple files and choose Rename from Bulk actions.
3. Enter a base name and click Start Rename to process all selected files.

History and Undo

• View the rename history for any file in the attachment details.
• Click any previous name to revert instantly (last 2 versions kept).

Settings

Find settings under Media → FMR Settings:

• Rename Title — Automatically update the media title when renaming files
• Rename Alt Text — Automatically update the alt text attribute when renaming files

Technical Details

• Custom table: wp_fmrseo_redirects for redirect mappings
• Background processing for large operations (WordPress cron)
• File validation and conflict prevention
• Optimized database queries and cache management

Requirements

• WordPress 4.0 or higher
• PHP 7.0 or higher
• Write permissions for the uploads directory