FileDial › Guides › Photos and images
How to prepare product photos for an online store on a Mac
By Himanshu Ranjan · Updated 8 November 2026
Prepare product photos on a Mac by working in batches: crop to one ratio with Resize › Smart crop 1:1, cut out backgrounds with Adjust › Remove background, set a size with Resize › Resize to 2048 px, convert to JPG, and compress. FileDial does each step offline and saves new copies, never touching your originals.
What store platforms care about
Every platform publishes its own image rules, and they change, so check yours before you batch a thousand files. The common requirements are the same everywhere: a consistent aspect ratio so a grid looks tidy, enough pixels to zoom, small files so pages load, and a format the platform accepts, usually JPG or PNG.
A square image has an aspect ratio of 1:1, and Wikipedia notes it is popular for social media. Many shops use square product tiles for the same reason, so a square master serves both.
A repeatable batch workflow
Do the steps in this order because each one makes the next one easier. Always work on copies. FileDial saves new files beside the originals and has Undo on every run.
- Fix orientation with Adjust › Rotate left or Adjust › Rotate right, and straighten with Adjust › Crop and rotate… if needed.
- Crop to one shape with Resize › Smart crop 1:1, which crops around the subject Vision finds, or Resize › Square crop 1:1.
- Remove clutter with Adjust › Remove background, which saves a transparent PNG beside the original.
- Set the size with Resize › Resize to 2048 px or Resize › Resize to 1080 px.
- Convert to JPG with Convert › Convert to JPG if the shop needs it, then compress with Compress › Compress.
Backgrounds
Remove background gives you a transparent PNG, which is useful for catalogues, banners and composites. Many marketplaces want a pure white background instead, and JPG cannot hold transparency, so converting a cutout to JPG fills the see-through area with a solid colour. Check what colour you get against your platform's rules, and place the cutout on white in a design tool if you need exact control.
Edge quality varies with the photo. Pale products on pale backgrounds and glassy or hairy items are the hard cases, so inspect the results at full size.
Colour, sharpness and size
Colour accuracy matters in retail, because returns follow when a product looks different in person. Convert › Convert to sRGB gives a converted copy with an sRGB profile, which Wikipedia calls the standard for web colour. iPhone photos are tagged Display P3, a wider gamut, so converting avoids surprises in browsers that do not manage colour well.
Adjust › Sharpen can rescue slightly soft pictures, and Adjust › Auto enhance helps uneven lighting. Use them lightly and compare against the original.
- Keep one full-size master of every product.
- Make web copies in a separate folder.
- Use Privacy › Remove location on photos taken at home.
Consistency across a catalogue
Shoppers compare products on a grid, so consistency matters more than perfection. Use the same ratio, the same margin around the product, the same background and similar brightness. Process the whole range with the same recipe, instead of fixing items one by one over weeks.
FileDial's recipes chain tools, and watched folders run a recipe on anything dropped into a folder. A watched folder that crops, resizes and compresses every new photo means a new product goes from camera to web-ready without extra steps.
Name files for search and sanity. Rename › Rename with pattern… and Rename › Replace text in names… can give names like product-name-01, and Rename › Lowercase names and Rename › Remove spaces keep names safe for web use. Check your store's rules for file names.
- Same ratio and margin everywhere.
- Use a recipe or watched folder.
- Rename for the web.
When not to rely on batch tools
Batch steps are efficient but not magic. Hero images, key lifestyle shots and anything that needs retouching or creative lighting deserve a person's eye and a proper editor. Use FileDial for the repetitive 90 percent: orientation, ratio, sizing, format and compression, and edit the important ten percent by hand.
Common mistakes: removing backgrounds and not checking edges, resizing before cropping, uploading originals with location data from a home studio, and mixing sRGB and wide-gamut photos so colours shift between products. Check results at full size, convert colour consistently, and keep a record of which settings you used so next season's photos match this season's.
Keep unreleased products private
New product photos are confidential until launch. FileDial processes everything on the Mac, never uploads files, and works offline. Recipes can chain steps and watched folders can run a recipe on anything dropped into a folder, which suits a steady stream of new products.
Questions
What size should product photos be?
It depends on the platform, so check its current guidelines. As a rule, use a consistent ratio, often square, with enough pixels for zoom. FileDial offers Resize › Resize to 2048 px and Resize › Resize to 1080 px, and Resize › Resize… for exact numbers.
Can I remove backgrounds from many product photos at once?
Yes. Select them and run Adjust › Remove background, which saves a transparent PNG beside each original. Review the edges at full size, since pale products on pale backgrounds are the hardest case. Pale products on pale backgrounds and glassy or hairy items cut out worst, so inspect edges at full size.
Should product photos be JPG or PNG?
Use JPG for photographs without transparency, because files are smaller. Use PNG when you need transparency, such as cutouts. Check your platform's accepted formats. FileDial has Convert › Convert to JPG and Convert › Convert to PNG. Marketplaces often require specific backgrounds, sizes and formats, so read the platform's current image rules before processing a catalogue.
Will batch editing overwrite my originals?
No. FileDial saves each result as a new file beside the original and never changes the original unless a tool says so up front. Every step has Undo, so you can experiment. Test the full chain on three or four photos first, then save it as a recipe to rerun on the rest.