AiArter Blog

Sell more with better visuals

Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.

How to Watermark Photos (2026): Free Watermark Maker, Phone and Lightroom
Seller Guides Oct 27, 2026

How to Watermark Photos (2026): Free Watermark Maker, Phone and Lightroom

Add a text or logo watermark to product photos for free, with settings that look professional, and learn which marketplaces ban watermarks.

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How to Make a Break-Even Chart (2026): Example, Data Table and Sheets Steps
Seller Guides Oct 27, 2026

How to Make a Break-Even Chart (2026): Example, Data Table and Sheets Steps

What goes on a break-even chart, a worked example you can copy, step-by-step Sheets and Excel instructions, and how price and cost changes move the break-even point.

ACoS to ROAS (2026): Formula, Conversion Table and Break-Even
Seller Guides Oct 27, 2026

ACoS to ROAS (2026): Formula, Conversion Table and Break-Even

ROAS = 100 divided by ACoS%. A full ACoS-to-ROAS table, the reverse conversion, break-even points and a worked Amazon example.

3:4 Aspect Ratio (2026): Sizes in Pixels, 1080x1440 and 3x4 Explained
Seller Guides Oct 27, 2026

3:4 Aspect Ratio (2026): Sizes in Pixels, 1080x1440 and 3x4 Explained

Every 3:4 size from 600x800 to a full phone photo, the formula, 3:4 vs 4:5 and 2:3, and how to turn square photos into 3:4 without cropping the product.

TikTok Ad Sizes (2026): Video, Carousel and Profile Photo Specs
Seller Guides Oct 26, 2026

TikTok Ad Sizes (2026): Video, Carousel and Profile Photo Specs

TikTok's official ad specs for in-feed video, carousel and profile photos, the safe zone, and how to turn product photos into TikTok ads.

Social Media Profile Picture Size (2026): Every Platform, From Official Help Pages
Seller Guides Oct 26, 2026

Social Media Profile Picture Size (2026): Every Platform, From Official Help Pages

The profile picture size each platform publishes, the ones that publish none, and how to make one square file that survives every circle crop.

Pippit Alternatives (2026): 5 Tools for Product Videos, Avatars and Photos
Seller Guides Oct 26, 2026

Pippit Alternatives (2026): 5 Tools for Product Videos, Avatars and Photos

What Pippit includes, why sellers switch, and five alternatives for product-link videos, AI actors, editing and product photos.

Pic Copilot Alternatives (2026): 6 Options for Product Photos, Models and Video
Seller Guides Oct 26, 2026

Pic Copilot Alternatives (2026): 6 Options for Product Photos, Models and Video

What Pic Copilot costs, why sellers switch, and six alternatives for cut-outs, AI fashion models, product video and marketplace photo sets.

Instagram Ad Sizes (2026): Feed, Stories, Reels and Carousel Specs
Seller Guides Oct 26, 2026

Instagram Ad Sizes (2026): Feed, Stories, Reels and Carousel Specs

Meta's recommended Instagram ad sizes for feed, Stories, Reels, carousel and video ads, the safe zones, and how to fit one product photo to all of them.

How to Photograph Glass Bottles (2026): Lighting, Labels and No Glare
Seller Guides Oct 26, 2026

How to Photograph Glass Bottles (2026): Lighting, Labels and No Glare

The backlit setup that makes glass bottles glow with clean edges, plus labels, liquids, condensation, a shot list and white-background tips.

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