Cobalt Tools UploadReady
Lossless SEO File Renamer100% Client-Side · Original Quality Preserved

Bulk Product Image Renamer

Transform random camera filenames like IMG_8273.jpg into organized, keyword-rich filenames like handmade-soy-candle-01.jpg in seconds.

Lossless Local Renaming: File data remains 100% on your device with zero re-compression degradation.

Select product photos to rename

Upload multiple photos (IMG_001.jpg, raw camera photos)

Naming Configuration

Target SEO keywords describing your product

Filename Transformation Preview (0)

Inspect before downloading all renamed files.

No images added yet

Upload photos on the left to preview your new sequential filenames.

Frequently Asked Questions

Why should I rename product images before uploading to Etsy or Shopify?

Search engines and marketplace algorithms use filenames to understand image content. Generic camera names like 'IMG_4920.jpg' convey zero information, whereas 'handmade-soy-candle-01.jpg' helps rank your listing in Google Images and marketplace search.

Does bulk renaming reduce the image quality or recompress the photo?

No. This tool performs 100% lossless renaming directly in the browser by packaging the original file bytes under new filenames into a ZIP archive without opening or recompressing pixel data.

Can I add SKU numbers or prefixes to the filenames?

Yes. You can add an optional SKU prefix, customize the separator (hyphen, underscore, space), set custom starting numbers, and choose 2-digit (01) or 3-digit (001) padding.

Is there any limit to the number of files I can rename at once?

There are no hard server limits because processing happens entirely in your browser's local memory. You can comfortably rename batches of dozens or hundreds of photos.

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