# WebP / Avif image converter

> Convert WebP, Avif and other image types before saving and store them in an orderly fashion. All based on your preferences and fully automatic. Simply right click on an image and use the "Convert and save as" button. More details in the description.

Canonical page: [https://chrome-stats.com/d/webp-image-converter](https://chrome-stats.com/d/webp-image-converter)

## Overview

- **ID:** `webp-image-converter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Nullbrains
- **Category:** download-management,photos-music-videos
- **Daily users:** 16,760
- **Weekly downloads:** 103
- **Rating:** 3.89 / 5 (129 ratings)
- **Version:** 1.3.1
- **Last updated:** 2024-06-20
- **First published:** 2019-11-19
- **Size:** 48 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/webp-image-converter/)

## Description

**WebP / Avif Image Converter** is a versatile Chrome extension that lets you convert, download, and organize images from the web seamlessly. Simply right-click any image and use the "Convert and Save image as" option to automatically convert images (WebP, Avif, JPG, PNG) based on your personalized preferences.

Customize conversion types, specify download locations and filenames, and leverage advanced options like modifier keys for multiple actions, popup layout preferences, and incognito downloads to keep your workflow smooth and your downloads tidy. The extension intelligently detects actual image data to ensure accurate conversion and supports quality adjustment for WebP images on compatible browsers.

## Rankings

- #563 — Overall
- #38 — Download Management
- #78 — Photos, Music & Videos
- #7 — convert
- #29 — image
- #32 — hd image

## Permissions and access

### Permissions

- `storage`
- `downloads`
- `contextMenus`
- `<all_urls>`

### Content script matches

- ``

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has medium user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users find it a handy, time-saving tool for saving and converting WebP/AVIF images via right-click with flexible output options. It is generally praised, especially by artists, but reliability varies and some formats (AVIF, animated WebP) aren’t handled well. Download behavior can be flaky and there are site-specific compatibility issues (e.g., hitomi.la). Overall, strong utility with notable stability and format caveats.

### Pros

- Handy, time-saving tool for saving and converting images via right-click.
- Flexible output options with support for multiple formats (e.g., PNG, JPEG) through extension settings.
- Generally works well on supported Firefox versions and platforms.
- Positive feedback from artists and power users who rely on quick image conversions.

### Cons

- Reliability and stability issues: reports of it no longer works or stopping unexpectedly on some setups/sites.
- Format handling limitations: AVIF not converted reliably and animated WebP to GIF is not supported.
- Download/save issues and limited user control: instances of empty downloads or inability to change the save path.
- Site compatibility problems: some sites (e.g., hitomi.la) not supported or work poorly.

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Source: [Chrome-Stats](https://chrome-stats.com/d/webp-image-converter)