Prepare images for their actual placement
Website image preparation means choosing suitable dimensions, formats and quality for where an asset appears. Converting every file to the same format without checking its purpose can create unnecessary work or reduce quality.
Start by separating photographs, logos, illustrations and product images. Record where each image will be used and whether it needs transparency.
Match dimensions to the layout
Review the display size and the larger screens your layout supports. A very large source image may add download weight when the page only displays a small preview. Keep the original file and generate appropriate website versions rather than overwriting the master.
Review format and quality together
A format suitable for a photograph may be unsuitable for a logo that needs transparency. Compare the exported result with the original and check both file size and appearance. The MDN image performance guide discusses practical image-delivery considerations.
Use a small batch first
Export a few representative files before converting an entire collection. Review text edges, colours, transparency and cropping. Check the files in the actual website layout rather than judging them only in a file browser.
Questions before a bulk conversion
Will compression always preserve quality? Some compression methods change image data. Review the result and keep an original copy.
Should every image be converted? No. The appropriate treatment depends on its purpose, visual requirements and existing format.
Need help preparing assets? Explore image optimisation and website performance services.
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