Title: CompressPrivacy &#8211; Local Image Compression to WebP &amp; AVIF
Author: Ankit
Published: <strong>18 d'agost de 2026</strong>
Last modified: 18 d'agost de 2026

---

Cerca extensions

![](https://ps.w.org/compressprivacy-private-image-compression/assets/banner-772x250.
png?rev=3654020)

![](https://ps.w.org/compressprivacy-private-image-compression/assets/icon-256x256.
png?rev=3652839)

# CompressPrivacy – Local Image Compression to WebP & AVIF

 Per [Ankit](https://profiles.wordpress.org/code7x/)

[Baixa](https://downloads.wordpress.org/plugin/compressprivacy-private-image-compression.1.0.0.zip)

 * [Detalls](https://ca.wordpress.org/plugins/compressprivacy-private-image-compression/#description)
 * [Ressenyes](https://ca.wordpress.org/plugins/compressprivacy-private-image-compression/#reviews)
 *  [Instal·lació](https://ca.wordpress.org/plugins/compressprivacy-private-image-compression/#installation)
 * [Desenvolupament](https://ca.wordpress.org/plugins/compressprivacy-private-image-compression/#developers)

 [Suport](https://wordpress.org/support/plugin/compressprivacy-private-image-compression/)

## Descripció

CompressPrivacy Private Image Compression compresses images locally to WebP or AVIF
entirely in your browser, using your own CPU — no server-side processing, no external
API, no usage limit.

All compression happens on one dedicated screen: **Media  Bulk Optimizer**. Drop
or select any number of images there, adjust the quality slider if you like, and
each one is compressed and uploaded straight into the Media Library, with live per-
file and total percentage-saved shown as it goes.

Uploading anywhere else in WordPress — the Media Library’s own upload tab, a product
image, a featured image, a gallery — is untouched by this plugin by design. The 
workflow is: compress what you need on the Bulk Optimizer page first, then select
the already-compressed file from the Media Library wherever you actually need it.

#### How it works

 1. On the Bulk Optimizer page, each selected image is drawn to an in-memory `<canvas
    >` and re-encoded via `canvas.toBlob()` to WebP, or AVIF where the browser supports
    it.
 2. The compressed file is uploaded to a dedicated endpoint that inserts it into the
    Media Library the standard WordPress way (`wp_handle_upload()` + `wp_insert_attachment()`).
 3. If compression fails, isn’t smaller than the original, or the browser doesn’t support
    the required APIs, the original file uploads unmodified — nothing is ever blocked.
 4. Up to a few files compress and upload concurrently, so large batches don’t process
    one at a time.

#### Notes

 * Animated GIFs are skipped by default (canvas conversion would drop the animation);
   this is configurable.
 * AVIF encoding support varies by browser; the plugin detects support automatically
   and falls back to WebP.
 * Already-optimized formats (WebP, AVIF, SVG) are left untouched.

## Instal·lació

 1. Upload the `compressprivacy-private-image-compression` folder to `/wp-content/plugins/`.
 2. Activate the plugin through the ‘Plugins’ menu in WordPress.
 3. Go to Media  Bulk Optimizer to compress and upload images. Go to Media  Image Optimizer
    to set defaults (format, quality, max dimensions, batch size).

## PMF

### Does this compress images automatically when I upload them normally?

No. Compression only happens on the Media  Bulk Optimizer page. Compress what you
need there, then select the compressed file from the Media Library wherever you 
actually want to use it.

### Does this replace or resize existing images already in my library?

No. It only affects images you run through the Bulk Optimizer page.

### Does it need an API key or account?

No. All processing happens locally in the browser using standard Canvas APIs.

### What if a browser doesn’t support the Canvas/Blob APIs?

The plugin detects this and uploads the original file unmodified — nothing is blocked.

## Ressenyes

No hi ha ressenyes per a aquesta extensió.

## Col·laboradors i desenvolupadors

«CompressPrivacy – Local Image Compression to WebP & AVIF» és programari de codi
obert. La següent gent ha col·laborat en aquesta extensió.

Col·laboradors

 *   [ Ankit ](https://profiles.wordpress.org/code7x/)

[Traduïu «CompressPrivacy – Local Image Compression to WebP & AVIF» a la vostra llengua.](https://translate.wordpress.org/projects/wp-plugins/compressprivacy-private-image-compression)

### Interessats en el desenvolupament?

[Navegueu pel codi](https://plugins.trac.wordpress.org/browser/compressprivacy-private-image-compression/),
baixeu-vos el [repositori SVN](https://plugins.svn.wordpress.org/compressprivacy-private-image-compression/),
o subscriviu-vos al [registre de desenvolupament](https://plugins.trac.wordpress.org/log/compressprivacy-private-image-compression/)
per [fisl de subscripció RSS](https://plugins.trac.wordpress.org/log/compressprivacy-private-image-compression/?limit=100&mode=stop_on_copy&format=rss).

## Registre de canvis

#### 1.0.0

 * Initial public release of CompressPrivacy Private Image Compression.

## Meta

 *  Versió **1.0.0**
 *  Darrera actualització **fa 2 dies**
 *  Instal·lacions actives **Menys de 10**
 *  Versió del WordPress ** 6.8 o posterior **
 *  Provada fins a **7.0.4**
 *  Versió del PHP ** 7.4 o posterior **
 *  Idioma
 * [English (US)](https://wordpress.org/plugins/compressprivacy-private-image-compression/)
 * Etiquetes
 * [AVIF](https://ca.wordpress.org/plugins/tags/avif/)[client side](https://ca.wordpress.org/plugins/tags/client-side/)
   [image optimization](https://ca.wordpress.org/plugins/tags/image-optimization/)
   [media library](https://ca.wordpress.org/plugins/tags/media-library/)[webp](https://ca.wordpress.org/plugins/tags/webp/)
 *  [Vista avançada](https://ca.wordpress.org/plugins/compressprivacy-private-image-compression/advanced/)

## Valoracions

Encara no s'ha enviat cap ressenya.

[La vostra ressenya](https://wordpress.org/support/plugin/compressprivacy-private-image-compression/reviews/#new-post)

[Visualitza totes les ressenyes](https://wordpress.org/support/plugin/compressprivacy-private-image-compression/reviews/)

## Col·laboradors

 *   [ Ankit ](https://profiles.wordpress.org/code7x/)

## Suport

Teniu quelcom a dir? Necessiteu ajuda?

 [Visualitza els fòrums de suport](https://wordpress.org/support/plugin/compressprivacy-private-image-compression/)