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Custom HTML Block Extension

by Aki Hamano · Blocks

Also makes 5 other plugins · 53K+ installs across the portfolio →

Extend Custom HTML block to evolve into the advanced code editor.

How scoring works →
88 Health · A
Maintenance 100/100
Rating quality 88/100
Support 70/100

88 health vs 67 average across 1,682 Blocks plugins

Directory ranking optimization

How it's scored →

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

79 / 100

Well optimized

Biggest win: Support resolution

Update recency 100/100
WP compatibility 100/100
Rating quality 69/100
Listing tuning 100/100
Support resolution 0/100

To rank higher: Mark more forum threads resolved — the resolved ratio feeds the ranking.

Get the full rank-higher report →

Daily downloads

Since 2022-10-05 · 1,424 days · wp.org + Plugin Pulse archive

-43% vs prior 30d
58Downloads · Aug 26

30-day downloads

Rolling 30-day volume · peaks are release surges

2.0K

now · peak 4.1K

1.9K30d downloads · Aug 26

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

Custom HTML Block Ex · #2614 you Spectra Legacy · #57 Crowdsignal Forms · #258 Flexible Table Block · #795

Update activity

How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.

278per 1k installs · Aug 26

Release cadence

Occasionally updated
from wp.org release tags

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

3

releases in the last 12 months

2mo ago

latest release · v4.0.1

44

tagged releases on record

Recent releases

4.0.1 · 2mo ago4.0.0 · 6mo ago3.9.0 · 10mo ago3.8.0 · 1.5y ago3.7.0 · 1.9y ago3.6.0 · 2.2y ago3.5.0 · 2.5y ago3.4.0 · 2.8y ago3.3.2 · 3.0y ago3.3.1 · 3.1y ago3.3.0 · 3.1y ago3.2.1 · 3.5y ago3.2.0 · 3.5y ago3.1.0 · 3.9y ago

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v4.0 59%
v3.8 16%
v3.9 9.8%
Older / other versions 15%

Estimated active installs

The public count shows “7K+”. Our estimate pins where the real number sits.

tracked estimate
7K–8K ≈7.6K

Refined from the date this plugin crossed into its current band.

At the current install trend, crossing 8K+ in roughly 123 days.

Install history · since 2021-10-16 · 1,423 observations

7KInstalls · Aug 26

Estimated value

What this plugin might earn a year, and what it might sell for. Modeled from public signals; we don't see anyone's books.

Est. annual revenue

N/A

Est. acquisition value

N/A

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from. A declining trend compresses what a buyer would pay.

Details

Version
4.1.0
Last updated
1mo ago
Added
2021-05-08 · 5 yrs old
Requires WP
7.0
Tested up to
7.1
Requires PHP
8.0

Recent reviews

All reviews on wp.org ↗
  1. johnny2ponny
    8mo ago

    Love to use it.

    Read on wp.org ↗
  2. ryuryu1029
    1.5y ago

    テーマエディター上でemmetを利用したい目的から導入しました。emmetの利用はもちろん、豊富なオプションでカスタマイズ性も素晴らしいです。設定のUIも大変わかりやすいです。最終的に導入に至らなかった点は、テーマエディター上でファイル更新を行うと、ページが更新され元に戻せない点です。ページ更新やphpのエラーメッセージ表示・位置などがデフォルトの仕様であれば是非導入したいと思います。

    Read on wp.org ↗
  3. nikvasko
    3.5y ago

    Dear friend. You have made a wonderful plugin. I’ve wanted to find one for a long time and I’m very glad I found it. This is despite the fact that half of the plugin’s functions do not work on my computer. Minimap, code folding, suggest function are absolutely dead. But there is a wonderful indentation system. Find and replace text works great. Code coloring is remarkably fast. Well chosen colors. Very convenient multiple selection and correction.Indeed, I have tried dozen of editors and coloring systems, no one of them is comparable to your package. Huge thanks to you for your work. Maybe you will find time to understand Why some of the functions do not work on my computer. I am working with WordPress 6.1.1, PHP 7.4.26 system. Even if you only make assumptions, I will be extremely grateful to you. I am Nick, best regards!

    Read on wp.org ↗
  4. TRUmsg
    3.9y ago

    Coding candy!

    Read on wp.org ↗
  5. WP Forhad
    4.0y ago

    That’s what I’ve been looking for ♥♥

    Read on wp.org ↗
  6. hefin
    4.0y ago

    <p>This plugin is solid. I LOVE it!Adds much-needed functionality to the Custom HTML block and then some.<br />Unbelievably well put together, you can tell the developer of this plugin has put much time and effort into its creation.<br />The options/settings available for the plugin are extensive and the little helper pop-up showing you visual representations of what the option does is really useful and intuitive.<br />The HTML custom extension also appears to remove wpAutop which is a filter which automatically adds to text. Which is great.<br />Your HTML formatting is retained! Yes, you heard right all your indents and extra lines etc, are not lost on save like the standard HTML editor.<br />Wow just Wow, congratulations to the Author of this plugin is very powerful, very useful and very well put together.<br />This plugin is an absolute must if you work with CustomHTML blocks at all!</p> <p>In the future would love to see this in use in the Code Editor mode (which for those who don’t know is accessed via the visual editor with Ctrl+shift+alt+M)</p> <p>Thank you Aki Hamano! Hope this becomes core functionality in WordPress one day.</p> This topic was modified 3 years, 10 months ago by hefin. This topic was modified 3 years, 6 months ago by hefin. Reason: spelling error This topic was modified 3 years, 6 months ago by hefin. Reason: wordpress adding so removing This topic was modified 3 years, 6 months ago by hefin. This topic was modified 3 years, 6 months ago by hefin.

    Read on wp.org ↗
  7. kitakami
    4.6y ago

    A god plugin. It’s a plugin you want even if you pay for it!

    Read on wp.org ↗
  8. 96ssbike
    5.1y ago

    カスタムHTMLブロックの編集に、驚きのEmmet実装! それだけではなく、オプションの多さ(そして、必要最低限のベーシックの設定部分はコンパクトでわかりやすくなっている)が大変気に入っています。 神プラグインだと思います。

    Read on wp.org ↗

Latest updates

via wp.org changelog

Recent releases and news for this plugin

  1. Version 4.0.1 Fix: Undo clears all content right after the editor loads Fix: Focus scrolls the page in the classic editor. 4.0.1
  2. Version 4.0.0 Tested to WordPress 7.0 Drop support for WordPress 6.8 Remove change indentation UI Fix: Editor crashes when switching to the Code Editor in Firefox Fix: Cut line shortcut doesn’t work 4.0.0
  3. Version 3.9.0 Tested to WordPress 6.9 Drop support for WordPress 6.6 and 6.7 Drop support for PHP 7 Enhancement: Show notification after exporting on the settings page Enhancement: Adjust UI elements to new 40px size 3.9.0
  4. Version 3.8.0 Tested to WordPress 6.8 Drop support for WordPress 6.5 Enhancement: Use WordPress snackbar on the settings page Fix: No alert when leaving the theme/plugin editor Fix: Ajax on save doesn’t work in the theme/plugin editor 3.8.0
  5. Version 3.7.0 Tested to WordPress 6.7 Drop support for WordPress 6.4 Enhancement: Polish styles and layouts Fix: Minimap and toolbar overlap in the classic editor 3.7.0
  6. Version 3.6.0 Tested to WordPress 6.6 Drop support for WordPress 6.3 Fix: Editor duplication on the classic editor Fix: Critical error when clicking tab on the settings page Fix: Ctrl+S shortcut not working on the classic editor Fix: 3.6.0

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0

Low memory footprint
Low page-speed impact
Runs on latest PHP + WP
No PHP errors
No JS errors
Activates cleanly
No resource errors
No external HTTP errors
Optimized database use
Frequently updated

Languages

via translate.wordpress.org

Translated into 1 language, 1 at 90% or more

Japanese 100%

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

  1. 2026-05-19 6K+ → 7K+ up after 167 days in tier
  2. 2025-12-03 5K+ → 6K+ up after 117 days in tier
  3. 2025-08-08 4K+ → 5K+ up after 1 days in tier
  4. 2025-08-07 5K+ → 4K+ down after 1 days in tier
  5. 2025-08-06 4K+ → 5K+ up after 168 days in tier
  6. 2025-02-19 3K+ → 4K+ up after 312 days in tier
  7. 2024-04-13 2K+ → 3K+ up after 263 days in tier
  8. 2023-07-25 1K+ → 2K+ up after 5 days in tier

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

Compare head to head →

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Custom HTML Block Extension: 7K+ active installs, 5.0★ (13 reviews). Plugin Pulse (WP Mayor), as of 2026-08-29. https://plugins.wpmayor.com/plugin/custom-html-block-extension