Alt checker
When pasting images, alchecker checks whether alt attributes are correctly filled.
Use with caution
Alt checker works, but test it on a staging site before relying on it in 2026. It runs on 30+ sites, is rated 3.5/5 and was last updated 4 months ago, and scores 55/100 on our health check.
- Small user base (30+ active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Alt checker stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| accessibility | >100 |
| admin | >100 |
| blind | #9 |
| images | >100 |
| post | >100 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 3.5 from 2 reviews
About Alt checker
From the official readme · v1.3Description
Alt checker is a WordPress plugin which can determine whether the alt attribute associated to your uploaded pictures is properly filled in. This attribute improves your webpage’s accessibility, please use it to support blind users.
License
This file is part of Alt checker.
Alt checker 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 3 of the License, or (at your option) any later version.
Alt checker is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with Alt checker. If not, see http://www.gnu.org/licenses/.
Installation
- Upload the whole plugin folder to your /wp-content/plugins/ folder.
- Go to the Plugins page and activate the plugin.
- Use the Options page to check alt attributes.
Frequently asked questions
How can I suggest a new feature?
Send an e-mail to szuhaj.mihaly@infoalap.hu.
Changelog
1.1
*Fix a bug
1.0 b1
- Initial release
1.3
*Fix a non-ascii character bug in LoadXML
*Removing style from displayed images
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best Alt checker alternatives
All accessibility plugins →
FAQ
Alt checker: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 29, 2026
Is Alt checker free?
Yes. Alt checker is free to download and use from the official WordPress.org plugin directory.
Is Alt checker safe to use in 2026?
Alt checker works, but test it on a staging site before relying on it in 2026. It runs on 30+ sites, is rated 3.5/5 and was last updated 4 months ago, and scores 55/100 on our health check.
How many websites use Alt checker?
Alt checker is active on 30+ WordPress websites and has been downloaded 4,570 times since it launched in August 2014. It was downloaded 107 times in the last 30 days.
Does Alt checker work with WordPress 7.1?
Alt checker is officially tested up to WordPress 7.0.6, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
When was Alt checker last updated?
The latest version, 1.3, was released on May 21, 2026 (4 months ago).
Who makes Alt checker?
Alt checker is developed and maintained by infoalap.
What are the best alternatives to Alt checker?
The most popular alternatives to Alt checker are Web Accessibility (formally… (500K+ installs), Auto Image Attributes From… (100K+ installs) and Accessibility by UserWay (80K+ installs).
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