Debug Bar vs Output Buffer Tester (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Debug Bar

Debug Bar

4.1(69)

20K+ active installs

Free

Updated 1 month ago
View Debug Bar
VS
Output Buffer Tester

Output Buffer Tester

0(0)

10 active installs

Free

Updated 8 years ago
View Output Buffer Tester

Quick Verdict

As of April 2026, Debug Bar has a higher user rating (4.1/5 from 69 reviews) and leads in active installations (20K+ vs 10). Both are free WordPress plugins. Debug Bar has accumulated 2.1M+ total downloads while Output Buffer Tester has 1.7K+.

Detailed Comparison

Rating
4.1/5Debug Bar
Output Buffer TesterN/A
Total Reviews
69Debug Bar
Output Buffer Tester0
Active Installs
20K+Debug Bar
Output Buffer Tester10
Total Downloads
2.1M+Debug Bar
Output Buffer Tester1.7K+
Support Resolution
N/ADebug Bar
Output Buffer TesterN/A
Last Updated
1 month agoDebug Bar
Output Buffer Tester8 years ago
First Released
2010Debug Bar
Output Buffer Tester2018
Age
16 yearsDebug Bar
Output Buffer Tester8 years
WP Requires
3.4+Debug Bar
Output Buffer Tester4.0+
PHP Requires
false+Debug Bar
Output Buffer Tester5.2+
Business Model
FreeDebug Bar
Output Buffer TesterFree
Latest Version
1.1.8Debug Bar
Output Buffer Tester1.0.1

Rating Breakdown

Debug Bar

4.1/5(69 reviews)
5
74%
4
4%
3
1%
2
1%
1
19%

Output Buffer Tester

0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Debug Bar Reviews

by Lene

Simple and easy

It works…

by Michael Galli

Works perfectly

Finding bugs is very easy and efficient with that plugin. I can highly recommend it.

by James Hunt

Seemingly abandoned

Debug Bar is still listed in WordPress’s own developer documentation as a go-to debugging tool, yet it hasn’t been updated in over a year and throws PHP errors. It’s a clear example of Automattic prom

Output Buffer Tester Reviews

No reviews yet

Frequently Asked Questions

Is Debug Bar or Output Buffer Tester more popular?
Debug Bar has 20K+ active installations while Output Buffer Tester has 10. Debug Bar is the more widely-used plugin as of April 2026.
Which has better ratings — Debug Bar or Output Buffer Tester?
Debug Bar has a 4.1/5 rating from 69 reviews, while Output Buffer Tester has a 0/5 rating from 0 reviews.
Are Debug Bar and Output Buffer Tester free?
Debug Bar is free and Output Buffer Tester is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Debug Bar or Output Buffer Tester?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Debug Bar was last updated 1 month ago and Output Buffer Tester was last updated 8 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.