CleanorTools
Batch

Batch listing asset optimizer

Details

How to use Batch listing asset optimizer

What the tool does, how to run it, and what to expect from the result.

How to batch-optimize listing images

The tool takes a queue of up to 100 product images, applies one shared export profile to all of them, renames them from a token pattern, and hands back a single ZIP. Every step, including the ZIP, is built in the browser.

Pick the workflow preset first, because it sets the canvas, the fit mode, the format, the quality, and the rename pattern together. Then adjust only the one or two settings the destination actually requires.

  • Drop in up to 100 images (PNG, JPG, WebP, GIF, or BMP, 15 MB max each).
  • Choose a workflow preset such as marketplace square (1600x1600 JPG) or lightweight thumbnail (1200x1200 WebP).
  • Adjust the canvas, fit mode, background tone, format, and quality if the preset is not exact.
  • Set the rename pattern using {name}, {index}, and {preset}.
  • Run the queue, retry any failed items, then download the ZIP pack.

Why seller image prep is a batch problem

Most merchant image work is not one hero edit, it is a queue problem. Product photos need the same canvas size, the same lighter format, the same naming convention, and the same export rules before they can move into a marketplace, storefront, or catalog feed.

The Batch Listing Asset Optimizer handles that whole queue at once. The job is to prepare a pack of upload-ready assets quickly, keep the process on your device, and make any failures obvious instead of hiding them behind a black-box export. Because it is free and browser-based, there are no upload limits or accounts to manage.

How the batch workflow works

Upload a queue of images, choose one export profile, and the tool processes everything locally. You can review per-file status, retry the few failures, and leave with a single ZIP pack that is easier to upload, hand off, or archive. Common profiles include marketplace square, catalog portrait, thumbnail, and branded product exports.

Each pass can resize, convert formats, compress, apply a watermark, and rename files with a consistent pattern. Because the optimizer runs entirely in your browser, the image pack stays on your device the whole time.

  • Marketplace square, catalog portrait, thumbnail, and branded profiles
  • Batch resize, format conversion, compression, and watermarking
  • Rename patterns for consistent listing filenames
  • Per-file queue status with retry and remove actions
  • Local ZIP export with common metadata stripped
Tips

Getting a better result out of Batch listing asset optimizer

Specific settings and thresholds, not general advice.

  • The queue accepts up to 100 files at 15 MB each, and every image is decoded and re-encoded in the browser tab. A 100 file run of large photos will make the tab work hard, so a laptop on battery will be noticeably slower than one on mains.
  • The rename pattern understands three tokens: {name} is the sanitized original base name, {index} is a zero-padded running number (01, 02, 03), and {preset} is the workflow label. The default marketplace pattern is {name}-marketplace-{index}, which is why the ZIP comes out already sorted.
  • The four presets are real trade-offs, not labels: marketplace square is 1600x1600 JPG at 0.84, catalog portrait is 1400x1800 JPG at 0.86, lightweight thumbnail is 1200x1200 WebP at 0.72, and branded product image is 1800x1800 PNG with a watermark. The thumbnail preset produces files several times lighter than the branded one.
  • Every preset uses Fit inside canvas, so the whole product survives and the leftover canvas is filled with the background tone. Switching to Fill canvas covers the frame but crops anything that overflows, which on a 1400x1800 portrait preset will cut a wide product.
  • Failures do not abort the run. Each file carries its own status and a failed item can be retried or removed on its own, so a single corrupt file in a batch of 80 does not cost you the other 79.
Limits

What Batch listing asset optimizer does not do

The honest boundary, so you do not lose time finding it yourself.

  • Maximum 100 files per queue, 15 MB each, and only PNG, JPG, WebP, GIF, or BMP.
  • One export profile applies to the entire batch. There is no per-file override.
  • It does not remove backgrounds and does not retouch. It resizes, fills, converts, compresses, watermarks, and renames.
  • The watermark is one text string or one logo at one position for the whole batch.
Reference

Terms used on this page

Short, plain-language definitions for the formats and settings above.

Editing & toolsProduct photoA product photo is an image of an item prepared for selling online — typically a single product shown clearly, often on a clean or white background, sized and formatted to a marketplace’s requirements. Good product images are consistent, sharp, and free of distracting backgrounds.General
At a glance

Who Batch listing asset optimizer is for

A quick way to understand who this helps, what it solves, and where it connects next.

Best fit

Sellers, catalog managers, marketplace teams, and storefront operators preparing larger queues of product images for uploads and feeds

Ideal for

Turning 10 to 100 raw product images into consistent marketplace-ready files with one shared export profile, lighter output, cleaner naming, and ZIP delivery

FAQ

Common questions

Short answers for the questions people usually have before trying a utility like this.

Is the Batch Listing Asset Optimizer free?

Yes. This tool is free to use with no sign-up. You can process a full batch of listing images and export a ZIP pack at no cost.

Does it upload my batch to a server?

No. Queue preparation, processing, watermarking, and ZIP export all stay in the browser, so the image pack remains on your device.

Can I apply one profile across the whole batch?

Yes. The intended flow is one shared export profile for the full queue, which keeps listing assets consistent across a marketplace or storefront.

How many images can I process at once?

The workflow is built for batches of roughly 10 to 100 listing images, with per-file queue status so larger runs stay understandable.

Why combine rename rules and ZIP export?

Because larger listing jobs usually need both. Merchants often want cleaner filenames and one downloadable pack, not processed images one at a time.

What do the rename tokens do?

{name} inserts the original filename with unsafe characters stripped, {index} inserts a zero-padded position such as 01 or 07, and {preset} inserts the workflow name. A pattern of {name}-marketplace-{index} on a file called red-mug.jpg gives red-mug-marketplace-03.jpg.

What does each preset actually output?

Marketplace square gives 1600x1600 JPG at quality 0.84. Catalog portrait gives 1400x1800 JPG at 0.86. Lightweight thumbnail gives 1200x1200 WebP at 0.72. Branded product image gives 1800x1800 PNG with a text watermark. All four fit the product inside the canvas rather than cropping it.

What happens when one file fails?

Only that file. Each queue item has its own status, and a failed item can be retried or removed without touching the rest of the batch. The ZIP is assembled from whatever finished successfully.

Is the batch uploaded to a server?

No. Decoding, resizing, watermarking, and zipping all happen in the browser, which is also why the export carries no EXIF from the source photos.

Should I use this or the single-image product prep tool?

Use this one from about 10 images upward, where a shared profile and a ZIP save real time. Below that, the single-image prep tool gives you per-image framing control that a batch profile cannot.

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