Batch Convert WebP to JPG
WebP cuts bandwidth, which is why so many sites serve it—and why your download folder fills with files your slide deck, CMS, or print shop refuses to open. To batch convert WebP to JPG without a separate desktop converter, enable format conversion on the download task so JPG files land on disk in one pass.
Bulk Image Downloader From URL List converts during download in your browser. Images are never uploaded to a conversion server.
Step 1: build a WebP URL list
Scrape a gallery with the side-panel scraper or paste URLs into a task. Apply a file-type filter for WebP if the page mixes formats. Run the 404 checker and drop unreachable links before you start—conversion time is wasted on dead URLs.
Step 2: enable Convert and choose JPG
On the task card, turn on Convert and set the target format to JPG. Adjust the quality slider from 1–100% to balance file size against fidelity. The Filename Constructor appends the correct extension so finished files do not keep a .webp name on a JPG body.
Step 3: understand how conversion runs
Conversion is Canvas-based and runs in background Web Workers, so large batches process without freezing the tab. Supported conversion outputs are JPG, PNG, and WebP—there is no AVIF conversion output. If a source is AVIF rather than WebP, handle it outside this pipeline or download without conversion.
Step 4: know what cannot run in the same task
Resize and Convert are mutually exclusive—you cannot downscale and convert format in one task. Pick conversion for this run; if you also need smaller dimensions, run a separate resize-only task afterward (or convert first, then resize in a second pass). Strip EXIF runs as its own step when neither resize nor convert is enabled. A PNG image watermark can apply during download, but the extension does not add text watermarks.
Step 5: download the converted batch
Start the task. For large sets, enable per-task ZIP mode so hundreds of JPGs arrive as one archive. Use Respect order when filenames must follow URL sequence.
When JPG instead of WebP makes sense
Keep WebP for purely web-facing pipelines. Convert to JPG when downstream tools—older editors, email clients, some upload forms, or print services—still expect JPEG. You trade a little compression efficiency for files that open everywhere without a compatibility lecture.
Install the extension when WebP downloads should arrive as JPG the moment they save.
The format that is not a conversion target
AVIF sits in an unusual place in this workflow. It can be downloaded when it is already the file type, so an AVIF source saves as AVIF without complaint. What it cannot be is a convert-to format, so no setting turns a WebP list into AVIF output, and planning a batch around that conversion will not work.
The formats you can convert to are JPEG, PNG, and WEBP. That matters when you choose JPG as a common denominator: the task converts toward the supported set, while an AVIF file that arrives from the source passes through as-is.
Continue reading: Downscale Images to Save Space.