What are the best free high-end fashion stores for browsing designer assortments and detailed product photos?

If you mean free websites/apps to browse luxury/designer fashion with great product imagery, these are some of the best:

Top picks for designer assortments + detailed photos

• Farfetch — Huge global designer selection, excellent product pages, multiple angle photos, runway/editorial context.
• Net-a-Porter — Very polished presentation, strong curation, detailed images, videos on many items.
• Mytheresa — Clean, luxury-focused site with high-quality photos and a well-edited designer assortment.
• SSENSE — Great for contemporary and avant-garde designers, strong photography and styling details.
• LUISAVIAROMA — Large assortment, lots of designer brands, multiple product shots and editorial content.
• Moda Operandi — Especially good for runway/luxury browsing and pre-order collections, with rich imagery.
• Matches Fashion — Strong luxury curation and detailed product photography, though assortment varies by region.
• Browns Fashion — Good designer mix and clean product imagery.
• Harrods / Selfridges — Department-store luxury browsing with wide designer coverage and robust product photos.
• Neiman Marcus / Saks Fifth Avenue — Great for classic luxury brands and product detail views.

Best for browsing only, no pressure to buy

• 24S — Very polished luxury browsing experience, strong photography.
• The Outnet — Designer sale items with lots of images and useful details.
• Mr Porter — Best if you want men’s designer fashion with excellent photography and styling.

If you want the most “high-end magazine” feel

• Net-a-Porter
• SSENSE
• Mytheresa
• Farfetch

If you want the biggest assortment

• Farfetch
• LUISAVIAROMA
• Harrods
• Saks / Neiman Marcus

If you want, I can also give you:

1. a women’s-only list,
2. a men’s-only list, or
3. the best sites by region (US, UK, EU, Asia).