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This plugin is outdated. Use <a href="https://wordpress.org/extend/plugins/term-management-tools/" rel="ugc">Term Management Tools</a> instead.

Merge Tags

Adds a new form on the tag management screen that lets you merge and replace tags and categories.

Yuya Hoshino

How it works:
<ol>
<li>
Click ‘Tools > Bulk Term Editor’.
</li>
<li>
Select a taxonomy. 
If you selected a taxonomy which has terms, it will read those into the field.
</li>
<li>
Get your data ready. 
Prepare your data by spreadsheet such as Excel. 
If you selected a taxonomy which has terms at the step 2, it’s easy to copy that data into the spreadsheet.
</li>
<li>
Copy the cells. 
You may copy all lines, but the more lines there are, the more times spends. 
Copying the minimum necessary lines is the best, but safer to copy all lines.
</li>
<li>
Paste to this plugin. 
Paste it into the ‘Term’ field of this plugin.
</li>
<li>
Execute. 
Clicking the ‘Edit’ button executes it.
</li>
</ol>
<h4>Delete</h4>
Entering a ‘*’ in beginning of line will delete.
<h4>Change the term slug</h4>
Entering a ‘>New slug’ after the term slug will change the term slug.
<h4>Add</h4>
When the term slug is a blank or new, add.

Bulk Term Editor

Just came here to say THANK YOU, this plugin is a very very handy and useful tool to manage BIG list of taxonomies. Thank you. 

Awesome Job! Thanks

You can register or edit terms in bulk. Copy cells in the spreadsheet, all that remains is to paste to this plugin.

Merge Tags vs Bulk Term Editor