Title: TSO Image Master
Author: deadko
Published: <strong>Sáwir 17, 2026</strong>
Last modified: Aqırap 4, 2026

---

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# TSO Image Master

 By [deadko](https://profiles.wordpress.org/deadko/)

[Download](https://downloads.wordpress.org/plugin/tso-image-master.2.0.9.zip)

 * [Details](https://kaa.wordpress.org/plugins/tso-image-master/#description)
 * [Reviews](https://kaa.wordpress.org/plugins/tso-image-master/#reviews)
 *  [Installation](https://kaa.wordpress.org/plugins/tso-image-master/#installation)
 * [Development](https://kaa.wordpress.org/plugins/tso-image-master/#developers)

 [Support](https://wordpress.org/support/plugin/tso-image-master/)

## Description

Most image plugins only compress. TSO Image Master also fixes what goes wrong. It
automatically converts every upload to WebP, AVIF, JPG or PNG (with an undo backup)
and compresses your PDFs. Then it helps you repair the rest of your media library:
broken image URLs with one-click fix and undo, safe renaming that updates every 
link, orphan images and extra files, duplicates, unused image sizes that waste disk
space, missing or hyphenated alt text, and oversized files.

It provides the following features from a single admin screen:

**Overview** — Site health metrics (image count, missing alt, TSO backups, space
saved, server engines). Bulk-fill missing or weak alt text. Scan for duplicate image
files. Configure backup retention and watch the background optimize queue.

**Image Optimizer** — Convert images to WebP, AVIF (when GD supports it), JPG, or
PNG. Set quality and dimensions, replace originals, and update content links (posts,
custom fields, options, widgets and Elementor pages). Bulk optimize runs in the 
background via WP-Cron (5 images per batch). Choose how many images to show per 
page (21–105). Requires PHP GD (WebP strongly recommended).

**Orphaned Image Finder** — Detects Media Library images that are not referenced
in posts, pages, widgets, meta, theme Customizer settings, FSE templates/parts/patterns,
term meta, or menu items. Paginated batch scanning helps avoid timeouts on large
sites.

**Rogue File Scanner** — Scans the uploads directory for physical files WordPress
does not know about: double-extension files (e.g. image.jpg.webp), plugin backup
files, temporary files, and other unregistered images that waste disk space.

**Image Sizes** — Finds image sizes (thumbnails) left behind by old plugins or themes
that WordPress no longer registers or uses, grouped by size. Delete a whole size
in one click: every deletion saves a backup zip you can download, restore or delete,
and files used by another size or by the main image are never removed.

**SEO & File Names** — Edit title, alt text, caption, and description for any image.
Rename files using SEO-friendly slugs (lowercase, no accents, hyphens instead of
spaces). All internal links are updated automatically.

**PDF Compressor** — Reduce PDF file size in the Media Library using GhostScript(
recommended) or the Imagick PHP extension as a fallback. The original URL never 
changes.

**Auto-Optimizer** — Automatically optimize new uploads with your chosen format 
and quality. Optional: skip already-small WebP/AVIF files, and fill missing alt 
text on upload (even when auto-optimize is off). Each image is processed only once
so regenerations do not re-trigger optimization.

**Media Library** — Row action and bulk action to queue images for background optimization,
plus a short note on the attachment screen.

**History** — Audit log of optimizations, renames, SEO updates (with field details),
PDF compressions, and related actions. Filter by action type, date range, and filename.
Configurable automatic cleanup.

**URL Fixer** — Scans public content (posts, pages, and custom post types) for broken
image URLs after format conversions (e.g. `.jpg` still referenced after conversion
to `.webp`). Renders blocks and shortcodes when needed so embedded images are detected.
Finds replacements and updates the database in one click; can also remove broken
references when no fix exists.

**Cache Compatibility** — After operations that change file URLs or content, the
plugin purges LiteSpeed Cache, WP Rocket, W3 Total Cache, WP Fastest Cache, Breeze,
SiteGround Optimizer, and Autoptimize when they are active.

#### Requirements

 * PHP 7.4 or higher (tested up to 8.3)
 * WordPress 6.2 or higher (tested up to 7.1)
 * PHP GD library with JPEG, PNG, GIF, and WebP support (AVIF output needs GD with`
   imageavif()` / `imagecreatefromavif()`)
 * GhostScript (optional, required for best PDF compression)
 * Imagick PHP extension (optional, fallback for PDF compression)

#### Source Code

The source code for this plugin is entirely human-readable. The file `admin/js/admin.
js` is unminified, unobfuscated source code. No build tools are required. All translation
strings are passed from PHP via `wp_localize_script()`.

#### Translations

The plugin interface is already translated into the following languages (included
in the plugin):

 * **English** — default
 * **Català (Catalan)** — `ca`
 * **Español (Spanish)** — `es_ES`

If you would like to contribute a translation into another language, you can do 
so at [translate.wordpress.org](https://translate.wordpress.org/projects/wp-plugins/tso-image-master/).

## Screenshots

[⌊Image Optimizer tab with search, bulk actions, and format/quality controls.⌉⌊Image
Optimizer tab with search, bulk actions, and format/quality controls.⌉[

Image Optimizer tab with search, bulk actions, and format/quality controls.

[⌊Auto-Optimizer tab with upload automation settings and maintenance tools.⌉⌊Auto-
Optimizer tab with upload automation settings and maintenance tools.⌉[

Auto-Optimizer tab with upload automation settings and maintenance tools.

[⌊Per-image Optimize modal with output format, resize, and replace-original options.⌉⌊
Per-image Optimize modal with output format, resize, and replace-original options
.⌉[

Per-image Optimize modal with output format, resize, and replace-original options.

[⌊Overview dashboard — site health cards, server engines, and missing-alt editor
with bulk fill.⌉⌊Overview dashboard — site health cards, server engines, and missing-
alt editor with bulk fill.⌉[

Overview dashboard — site health cards, server engines, and missing-alt editor with
bulk fill.

[⌊PDF compressor — DPI quality, replace-original option, GhostScript status, and
PDF search/select toolbar.⌉⌊PDF compressor — DPI quality, replace-original option,
GhostScript status, and PDF search/select toolbar.⌉[

PDF compressor — DPI quality, replace-original option, GhostScript status, and PDF
search/select toolbar.

## Installation

 1. Upload the `tso-image-master` folder to the `/wp-content/plugins/` directory, or
    install it directly from the WordPress plugin dashboard.
 2. Activate the plugin through the **Plugins** screen in WordPress.
 3. Go to **Image Master** in the admin sidebar to start using the plugin.
 4. (Optional) To enable PDF compression, install GhostScript on your server. Ask your
    hosting provider for assistance if needed.
 5. Requires PHP GD to WebP images.Ask your hosting provider for assistance if needed.

## FAQ

### Does the plugin modify original image files?

Only if you check the “Replace original” option. When replacing, the plugin saves
a backup copy under `wp-content/uploads/tso-image-master/` (mirroring your upload
year/month folders when applicable). Backup files use a `_tso_im_backup` name pattern.
You can revert from the editor modal or delete backups to free disk space. Empty
backup folders are removed automatically after deletion. Backups are never stored
inside the plugin folder.

### Can backups be deleted automatically?

Yes. On the Overview tab you can set backup retention by maximum age (days) and/
or maximum total size (MB). A daily cron purges old or oversized TSO backups. Set
both to `0` to disable automatic purge. You can also run **Purge now** from Overview.

### What happens to my images if I uninstall the plugin?

Uninstalling the plugin removes the following data:

 * **Database:** plugin options, the custom history table (`wp_*tsoimma_history`),
   all plugin postmeta keys, and scheduled cron events.
 * **Backup folder:** the `wp-content/uploads/tso-image-master/` folder and all 
   backup copies inside it are deleted.
 * **Original images:** your actual image files in the uploads folder are **never**
   deleted. Only the plugin-created backup copies are removed.

### Which output formats are supported?

**WebP**, **JPG**, **PNG**, and **keep original**. **AVIF** appears when your PHP
GD build supports AVIF read/write. If AVIF or WebP is requested but unavailable,
the plugin falls back to a supported format.

### Why is AVIF disabled or missing?

AVIF needs PHP GD compiled with AVIF support (`imageavif` / `imagecreatefromavif`).
Many hosts still lack this. Check **Overview  server engines** (GD AVIF). WebP remains
the recommended default for broad browser and host support.

### How does bulk / Media Library optimize work?

Selected images are added to a background queue processed by WP-Cron (about 5 images
per batch). Progress appears on the Overview tab; you can cancel pending jobs. You
can also queue from the Media Library row action or bulk actions.

### Does the plugin work with caching plugins?

Yes. After operations that modify content or file URLs, the plugin calls purge helpers
for LiteSpeed Cache, WP Rocket, W3 Total Cache, WP Fastest Cache, Breeze, SiteGround
Optimizer, and Autoptimize when they are installed and active.

### Can I use the plugin on a multisite installation?

The plugin has not been explicitly tested on multisite. It is designed for standard
single-site WordPress installations.

### The PDF compressor does not work. What should I do?

PDF compression requires GhostScript or the Imagick PHP extension on your server.
The Overview and PDF areas indicate which engines are available. Contact your hosting
provider to install GhostScript for best results.

### I optimized an image and the new format weighs more than the original. What happened?

This can happen with images that are already well-optimized, very small images, 
or images with a lot of transparency or detail. The plugin will show a warning in
this case. You can revert to the original using the backup. On Auto-Optimizer you
can optionally skip WebP/AVIF files already under a size threshold (KB).

### How does fill missing alt text work?

On Overview you can bulk-fill useful alt text for selected images (from title or
humanized filename). On Auto-Optimizer you can enable fill-on-upload for new images
that lack alt text. Fill-on-upload can run even when auto-optimize is disabled. 
Generic or weak alt values may be replaced when a better suggestion exists; humanized
filename fills are treated as useful.

### What does the duplicate scanner do?

On Overview, **Scan duplicates** groups Media Library files with the same MD5 hash
so you can spot wasted space. It does not delete files automatically; review groups
before removing anything.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“TSO Image Master” is open source software. The following people have contributed
to this plugin.

Contributors

 *   [ deadko ](https://profiles.wordpress.org/deadko/)

[Translate “TSO Image Master” into your language.](https://translate.wordpress.org/projects/wp-plugins/tso-image-master)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/tso-image-master/),
check out the [SVN repository](https://plugins.svn.wordpress.org/tso-image-master/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/tso-image-master/)
by [RSS](https://plugins.trac.wordpress.org/log/tso-image-master/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

For releases before 2.0.0, see CHANGELOG.txt in the plugin folder.

#### 2.0.9

 * Improved: New plugin description that highlights automatic WebP/AVIF/JPG/PNG 
   conversion, PDF compression and library repair tools.
 * Fixed: URL Detector now repairs old links (e.g. .png) of images that were converted
   and later renamed, instead of offering to delete them.

#### 2.0.8

 * Fixed: URL Detector “Remove from content” no longer deletes other images in the
   same block or link; it can also repair links of renamed images.
 * Fixed: Uploading and renaming images is much faster (one database scan instead
   of hundreds).
 * New: History records old and new alt/title, URL Detector actions, links updated
   on rename and deleted images.
 * Improved: SEO tab lists images that need SEO first, asks to remove hyphens from
   the alt text (one-click button) and fixes the “SEO” button.
 * Improved: Orphan images are labelled and listed last in SEO and Optimize; “Extra
   files” ignores other TSO plugins’ backups (Swiss Knife).

#### 2.0.7

 * New: URL Detector now repairs links to images renamed with the plugin instead
   of offering to delete them, and every “Remove from content” saves a backup with
   an Undo button.
 * Fixed: Renaming an image now also updates links written as http://, without www
   or as relative paths, which were left broken before.
 * Fixed: Image Sizes module strings now fully translated to Catalan and Spanish.
 * Fixed: URL Detector no longer corrupts serialized or escaped custom fields/options,
   or other fields that share the same key, when fixing or removing links.
 * Fixed: Renaming an image never overwrites an existing file, and edited posts 
   refresh their cached content.

## Meta

 *  Version **2.0.9**
 *  Last updated **2 ҳәпте ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 6.2 or higher **
 *  Tested up to **7.1.3**
 *  PHP version ** 7.4 or higher **
 *  Language
 * [English (US)](https://wordpress.org/plugins/tso-image-master/)
 * Tags
 * [AVIF](https://kaa.wordpress.org/plugins/tags/avif/)[image optimization](https://kaa.wordpress.org/plugins/tags/image-optimization/)
   [media library](https://kaa.wordpress.org/plugins/tags/media-library/)[webp](https://kaa.wordpress.org/plugins/tags/webp/)
 *  [Advanced View](https://kaa.wordpress.org/plugins/tso-image-master/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/tso-image-master/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/tso-image-master/reviews/)

## Contributors

 *   [ deadko ](https://profiles.wordpress.org/deadko/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/tso-image-master/)

## Donate

Would you like to support the advancement of this plugin?

 [ Donate to this plugin ](https://ko-fi.com/deadko_cat)