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WebP Conversion

By sheepfish

Performance & Optimization / Image Optimization & Compression

Reviewed by Omar Dabbas

Trusted WordPress expert with 20+ years of experience evaluating plugins for the WP ecosystem.

WebP Conversion Review - In-Depth Analysis

Convert .png and .jpeg images to WebP format for free with no limits. Supports bulk conversions and restores original images.

Performance Overview

WPS Score

6.65/10

User Rating

4.3/5 (based on 6+ reviews)

Active Installations

4,000+

Update Frequency

Below Average It is calculated using the weighted average of same category plugins.

Security Score

5 / 10 (Medium Risk) It is calculated using the weighted average of all versions.

What It Does

WebP Conversion allows you to automatically convert images to WebP format while uploading them to the WordPress media library. You can also convert individual images, perform bulk conversions directly from the media library, restore original images after conversion, and delete originals if you want to save storage space.

Unlike many other plugins, WebP Conversion is 100% free and completely unlimited – no premium version, no hidden restrictions, and no image limits. Convert as many images as you want, whenever you want!

Key features include unlimited image conversions with no restrictions, bulk conversion and restoration options, and image conversion quality settings based on file size. The plugin also supports automatic conversion upon image upload and provides options for managing original images.

Comparing to Alternatives

WebP Conversion is a free plugin that offers direct database search and replace for WebP image conversion, distinguishing it from other plugins that handle conversion during page load. It has several alternatives that provide image optimization and WebP conversion features.

Top alternatives

Strengths

Performs direct database search and replace during conversion, avoiding page load issues.
Free and simple to use without subscription.
Efficiently converts images including all thumbnails in the Media Library.
Does not break or cause display issues with converted WebP images.
Integrates well with WordPress for hassle-free image management.

Weaknesses

Has known medium severity security vulnerability with no fix yet.
Fatal errors reported by some users, including issues deleting media files.
Support appears unresponsive with no recent updates.
Potentially abandoned or inactive development status.

User Sentiment Analysis

The plugin holds a strong positive rating with 83.3% five-star reviews, reflecting user satisfaction with its functionality and free model. However, there is a notable minority reporting critical errors and lack of support, impacting overall reliability perception.

Positive highlights

"A rare free plugin that handles database search/replace" - Edith Allison
"This plugin is too good!" - Christian Wijaya
"Top-Notch Plugin for Media Library WebP Image Conversion" - Wilson Santana
"Super Plugin – macht was es soll." - christianholy
"Essential / Must-have plugin" - freelancesgroup

Common complaints

Fatal errors preventing deletion of media files without disabling the plugin first.
Lack of support response for over a month.
No updates for three months, raising concerns about plugin maintenance.

Weaknesses

Known medium severity security vulnerability with no available fix.
Unstable behavior causing fatal errors for some users.
Support and updates appear lacking, raising concerns about plugin longevity.

Who Should Use This?

Best for

Users seeking a free, straightforward WebP conversion plugin that performs direct database replacements and integrates well with WordPress media management.

Not ideal for

Users who require robust support, frequent updates, and guaranteed security fixes, or those who cannot tolerate potential fatal errors and plugin instability.

Pricing & Value

Free version includes

The free version offers full WebP conversion capabilities including direct database search and replace without any subscription or payment.

Final Verdict

WebP Conversion stands out for its unique direct database search and replace feature and its free, no-subscription model, making it a valuable tool for users focused on performance optimization. Positive user feedback highlights its effectiveness and ease of use for WebP image conversion within WordPress.

However, the plugin's known medium severity security vulnerability, reported fatal errors, and apparent lack of ongoing support and updates pose significant risks. Users should weigh these concerns carefully and consider alternatives if stability and security are priorities.