Yes, Alt checker is free to use. It is available as a free plugin on WordPress.org.

How many websites use Alt checker?

Alt checker has 30 active installations as tracked by WordPress.org.

What are the best Alt checker alternatives?

Popular alternatives to Alt checker include Post Type Switcher, Post Duplicator, Header and Footer Scripts. You can compare them side-by-side on our comparison pages.

Does Alt checker work with the latest WordPress?

Alt checker has been tested up to WordPress 6.8.5. It requires WordPress 2.7+ and PHP false+.

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Alt checker

Name: Alt checker
Rating: 3.5 (2 reviews)
Author: infoalap

When pasting images, alchecker checks whether alt attributes are correctly filled.

By infoalap·Post·Free

3.5(2 reviews)

·30 active installs·Updated 11 months ago

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As of April 2026, Alt checker is a WordPress post plugin with 30 active installations and a 3.5/5 rating from 2 reviews. It has been downloaded 3.8K+ times in total. Requires WordPress 2.7+ and PHP false+. Available on WordPress.org since 2014. Top alternative: Post Type Switcher.

3.5/52 reviews

30active installs

3.8K+total downloads

12 yearssince 2014

Overview

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 Gener…

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