Title: PostMeta Viewer – Custom Fields Inspector
Author: wpwebguru
Published: <strong>January 12, 2026</strong>
Last modified: January 12, 2026

---

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# PostMeta Viewer – Custom Fields Inspector

 By [wpwebguru](https://profiles.wordpress.org/wpwebguru/)

[Download](https://downloads.wordpress.org/plugin/postmeta-viewer.1.0.zip)

 * [Details](https://wordpress.org/plugins/postmeta-viewer/#description)
 * [Reviews](https://wordpress.org/plugins/postmeta-viewer/#reviews)
 *  [Installation](https://wordpress.org/plugins/postmeta-viewer/#installation)
 * [Development](https://wordpress.org/plugins/postmeta-viewer/#developers)

 [Support](https://wordpress.org/support/plugin/postmeta-viewer/)

## Description

**PostMeta Viewer** is an essential utility for WordPress developers who work with
custom fields and post meta. Whether you’re using Advanced Custom Fields (ACF), 
Pods, Toolset, or custom-coded meta fields, this plugin provides a clean and developer-
friendly interface to explore, search, and analyze post meta data across your site.

It is designed strictly as a **read-only inspection tool**, making it safe for production
environments.

#### Key Features

 * **Complete Post Meta Overview**
    Browse all posts with total custom field counts.
 * **Detailed Meta Inspection**
    View all meta keys and values for any individual
   post.
 * **Powerful Search & Filtering**
    – Search across post titles, content, meta keys,
   and meta values – Filter by post type, post status, and date range – Filter by
   specific meta key existence – Filter by meta value type (string, array, JSON,
   numeric, empty)
 * **Post Edit Screen Meta Box**
    View custom fields directly inside the post edit
   screen.
 * **Developer-Friendly Data Display**
    Proper formatting for serialized, array,
   and JSON meta values.
 * **Post Statistics**
    Quick insights into total posts and filtered results.
 * **Responsive Admin UI**
    Works smoothly across all screen sizes.

#### Ideal For

 * **ACF Developers** – Debug and verify stored ACF field data
 * **Plugin Developers** – Inspect custom meta added by plugins
 * **Theme Developers** – Validate custom field implementations
 * **Site Debugging** – Identify and resolve metadata issues
 * **Migration Projects** – Analyze existing meta structures
 * **Learning WordPress** – Understand how post meta works internally

### Usage

#### Getting Started

 1. After activation, go to **PostMeta Viewer** (top-level menu)
 2. View a list of all posts along with their custom field counts
 3. Use search and filter options to narrow results
 4. Click **View Details** to inspect meta for a specific post

#### Using Search & Filters

 1. **Search Box** – Search across post titles, content, meta keys, and values
 2. **Post Type Filter** – Filter posts, pages, or custom post types
 3. **Meta Key Filter** – Filter by existing meta keys
 4. **Date Range** – Filter posts by creation date
 5. **Post Status** – Published, draft, pending, etc.
 6. **Value Type Filter** – String, array, JSON, numeric, or empty
 7. Click **Apply Filters** to update results

#### Viewing Meta Details

 1. Click **View Details** from the main list
 2. View a table of all meta keys and values
 3. Serialized and complex data is displayed in readable format
 4. Use **Back to List** to return

#### Post Edit Screen Meta Box

 1. Edit any post or page
 2. Locate the **Custom Fields Inspector** meta box
 3. Instantly view all custom fields for that post
 4. Ideal for quick debugging during content editing

### License

This plugin is licensed under the GPL v2 or later.

This program is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software Foundation;
either version 2 of the License, or any later version.

This program is distributed without any warranty; without even the implied warranty
of merchantability or fitness for a particular purpose.

## Screenshots

 * [[
 * Main Interface – Post list with custom field counts and filters
 * [[
 * Meta Details View – Complete meta data for a single post
 * [[
 * Post Edit Meta Box – Custom fields inside the editor
 * [[
 * Filtered Results – Search and filter results in action

## Installation

#### Automatic Installation

 1. Go to **Plugins  Add New** in your WordPress admin
 2. Search for **PostMeta Viewer**
 3. Click **Install Now**
 4. Activate the plugin

#### Manual Installation

 1. Download the plugin ZIP file
 2. Go to **Plugins  Add New  Upload Plugin**
 3. Upload the ZIP file and click **Install Now**
 4. Activate the plugin

#### FTP Installation

 1. Unzip the downloaded file
 2. Upload the `postmeta-viewer` folder to `/wp-content/plugins/`
 3. Activate **PostMeta Viewer** from the Plugins screen

## FAQ

### Is this plugin safe for production sites?

Yes. The plugin is read-only and does not modify or delete any data.

### Does it work with Advanced Custom Fields (ACF)?

Yes. It displays the raw meta data stored by ACF.

### Can I edit meta values using this plugin?

No. This plugin is intended for inspection and debugging only.

### Does it affect site performance?

No. It runs only in the WordPress admin area when actively used.

### Can I export post meta data?

Export functionality is not available yet but is planned for future releases.

### Is there a display limit for posts?

Pagination is enabled with 20 posts per page by default for optimal performance.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“PostMeta Viewer – Custom Fields Inspector” is open source software. The following
people have contributed to this plugin.

Contributors

 *   [ wpwebguru ](https://profiles.wordpress.org/wpwebguru/)
 *   [ vivekkumarsahu0 ](https://profiles.wordpress.org/vivekkumarsahu0/)

[Translate “PostMeta Viewer – Custom Fields Inspector” into your language.](https://translate.wordpress.org/projects/wp-plugins/postmeta-viewer)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/postmeta-viewer/), 
check out the [SVN repository](https://plugins.svn.wordpress.org/postmeta-viewer/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/postmeta-viewer/)
by [RSS](https://plugins.trac.wordpress.org/log/postmeta-viewer/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### 1.0

 * Initial release
 * Full post meta overview
 * Advanced search and filtering
 * Detailed meta inspection
 * Post edit screen meta box
 * Support for all post types and statuses

## Meta

 *  Version **1.0**
 *  Last updated **3 months ago**
 *  Active installations **40+**
 *  WordPress version ** 5.6 or higher **
 *  Tested up to **6.9.4**
 *  PHP version ** 7.4 or higher **
 * Tags
 * [acf](https://wordpress.org/plugins/tags/acf/)[custom fields](https://wordpress.org/plugins/tags/custom-fields/)
   [debugging](https://wordpress.org/plugins/tags/debugging/)[developer-tools](https://wordpress.org/plugins/tags/developer-tools/)
   [post meta](https://wordpress.org/plugins/tags/post-meta/)
 *  [Advanced View](https://wordpress.org/plugins/postmeta-viewer/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/postmeta-viewer/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/postmeta-viewer/reviews/)

## Contributors

 *   [ wpwebguru ](https://profiles.wordpress.org/wpwebguru/)
 *   [ vivekkumarsahu0 ](https://profiles.wordpress.org/vivekkumarsahu0/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/postmeta-viewer/)