Canva is ideal for layouts, typography, and brand kits. When the job is applying the same width × height across a vendor ZIP before upload, a dedicated batch resize path saves time.
Canva strengths. Template-driven creatives, quick one-off posts, and stakeholder review. Great when each asset is visually unique.
Bulk Toolkit strengths. After you have raster files, use Bulk Resize for marketplace or social presets, then Bulk Compress. ZIP in, ZIP out—see ZIP of images: resize and download.
Seller-focused hub: bulk product photos for marketplaces.