JSM Show Post Metadata
Show post metadata (aka custom fields) in a metabox when editing posts / pages - a great tool for debugging issues with post metadata.
5(12 reviews)
·10K+ active installs·Updated 1 week agoAs of April 2026, JSM Show Post Metadata is a WordPress posts plugin with 10K+ active installations and a 5/5 rating from 12 reviews. It has been downloaded 251K+ times in total. Requires WordPress 6.0+ and PHP 7.4.33+. Available on WordPress.org since 2016. Actively maintained — updated within the last month. Downloads are up 11% this week. Top alternative: WP Shortcodes Plugin — Shortcodes….
5/512 reviews
10K+active installs
251K+total downloads
10 yearssince 2016
Overview
The JSM Show Post Metadata plugin displays post (ie. posts, pages, and custom post types) meta keys (aka custom field names) and unserialized values in a metabox at the bottom of the post editing page.
Note that if you’re using WooCommerce HPOS (High-Performance Order Storage), available since WooCommerce v8.2, then your WooCommerce orders are NOT post objects and you should use the JSM Show Order Metadata plugin instead.
There are no plugin settings – simply install and activate the plugin.
Available Filters for Developers
Filter the post meta shown in the metabox:
'jsmspm_metabox_table_metadata' ( array $metadata, $post_obj )
Array of regular expressions to exclude meta keys:
'jsmspm_metabox_table_exclude_keys' ( array $exclude_keys, $post_obj )
Capability required to show…
Ratings & Reviews
512 reviews
5 ★
12
4 ★
0
3 ★
0
2 ★
0
1 ★
0
Recent Reviews
Thanks a lot for this great plugin!
by Roice·2 months ago
This plugin is incredibly helpful when converting and managing legacy websites, especially for uncovering all kinds of hidden metadata – even the obscure ones.
Very handy when I work on post types
by Mustafiz Munna·2 months ago
Very handy and usefull when I work on post types
Awesome
by trofimartya1·1 year ago
Easy to use, my top 1 for post meta analysis
Works as expected
by yasindedo1·1 year ago
worked for me
Helpful and dependable
by Alvaro Gois dos Santos·2 years ago
I’m definitely not making full use of its potential but, for what I need it, it has proved to be dependable and very useful.
Thank you for sharing your work.
Download Trends
Today: 56Yesterday: 131This week: 504Period total: 40K
Compatibility
| WordPress | 6.0+ requiredTested up to 6.9.4 |
| PHP | 7.4.33+ required |
Version Adoption
v4.8
66.3%
Other
17.7%
v4.6
15.9%
Top Alternatives to JSM Show Post Metadata
Frequently Asked Questions
Changelog
Version Numbering
Version components: {major}.{minor}.{bugfix}[-{stage}.{level}]
- {major} = Major structural code changes and/or incompatible API changes (ie. breaking changes).
- {minor} = New functionality was added or improved in a backwards-compatible manner.
- {bugfix} = Backwards-compatible bug fixes or small improvements.
- {stage}.{level} = Pre-production release: dev < a (alpha) < b (beta) < rc (release candidate). …
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.