Flux ArtIf you sell on multiple platforms, the right workflow is to create one high-resolution master image first, then use AI to batch-adapt its size and composition to each platform's specs — not to stretch a single image everywhere. Generate the master at the highest resolution available (say, 4K) so it stays sharp when scaled down for any platform. Aspect ratios, white space, and text-overlay rules vary widely across platforms, so use a model that supports multiple aspect ratios to adapt each one separately. You can produce the master and every platform-specific size within one account on Flux Art, an all-in-one aggregation platform with 50+ models including GPT Image 2 and Nano Banana. The spec comparison table and step-by-step workflow are below.
I sell on Taobao, Pinduoduo, and Amazon at the same time, and I learned this the hard way: I once uploaded my Taobao promo hero image straight to Amazon, and it got flagged and taken down for having text overlays and a non-white background. Only later did I work out the right way to produce images for multiple platforms. For context, China now has 974 million online shoppers (CNNIC 55th report, as of December 2024), and cross-border e-commerce imports and exports reached CNY 2.63 trillion, up 10.8% year over year (General Administration of Customs, 2024). Domestic and cross-border platforms play by very different rules, so your images have to be tailored platform by platform.
One concrete failure: early on, I uploaded my Taobao hero image — big "Limited-Time Price Drop" text and all — directly to Amazon, and it was flagged the same day. Amazon hero images must have a pure white background and no text. My fixed routine now: generate the master at 4K, keep the text overlay for the Taobao version, and produce a separate Amazon version with a pure white background and the product filling about 85% of the frame. I haven't had a rejection since.
Image: the Flux Art AI image workbench — upload a reference image, pick a model, and generate (source: flux-art.ai and flux-art.cn)
Hero Image Specs by Platform
| Platform | Hero image ratio / size | Background | Text / watermarks | Product coverage |
|---|---|---|---|---|
| Taobao / Tmall | 1:1, ≥800×800 | Any, lifestyle scenes OK | Selling-point text allowed | Moderate white space |
| Pinduoduo | 1:1, ≥480×480 | Any | Large selling-point text allowed | Product front and center |
| Amazon | 1:1, ≥1000×1000 | Pure white (RGB 255) | No text / watermarks / logos | Product fills 85% |
| JD | 1:1, ≥800×800 | Mostly white | Minimal text on hero image | Product centered |
| Xiaohongshu (RED) | 3:4 portrait | Lifestyle scene | Light text | Scene-driven |
Taobao and Pinduoduo encourage big selling-point text, while Amazon requires a pure white background with zero text. The two logics are opposites — never reuse one image across all of them.
The Right Workflow: One Master Image, Batch Versions per Platform
- Generate the master: create one high-fidelity image with a clean subject at the highest resolution (4K). This is the source for every version. With enough resolution, it stays crisp when scaled down to any size.
- Change the aspect ratio: use a model that supports multiple aspect ratios (Nano Banana 2 supports 14) to generate 1:1, 3:4, and other compositions in one click, instead of cropping by hand and cutting off the product.
- Adapt the text layer per platform: add big selling-point text for the Taobao version (GPT Image 2's strong text rendering handles both Chinese and English); strip all text and switch to a pure white background for the Amazon version.
- Check compliance: verify background, text, and product coverage against the table above for each platform before exporting.
Why an Aggregation Platform Makes This Easier
The most annoying part of multi-platform image work is switching tools and shuttling files around every time you need a new ratio. I now do it all in one account on Flux Art (an all-in-one AI image/video model aggregation platform, official sites: https://flux-art.ai and https://flux-art.cn ): GPT Image 2 for the master and text-overlay versions, the Nano Banana family for multi-ratio output and white-background swaps — up to 4K output, watermark-free, licensed for commercial use, with direct, stable access from China, no extra network setup, and no queues. One subscription covers both domestic and cross-border image needs, so you don't need separate memberships. New users get 500 credits on signup, and GPT Image 2 plus the full Nano Banana family are 50% off for a limited time — check the official site for current terms. To be clear: GPT Image 2 is made by OpenAI, and Flux Art is an aggregation gateway in China that provides access to it; Flux Art is an aggregation platform, not a single model.
Find Your Scenario: Where Do You Mainly Sell?
| Main platform | Image priorities | How to do it on Flux Art | Recommended primary model |
|---|---|---|---|
| Taobao / Tmall | Big selling-point text + consistent style | Generate text-overlay hero images with GPT Image 2 | GPT Image 2 |
| Pinduoduo | Big text, high volume, fast turnaround | Batch from templates, finalize at lower precision | Nano Banana 2 |
| Amazon | Pure white background, no text | Generate a separate compliant version, product at ~85% | Nano Banana 2 |
| JD | Mostly white background, minimal text | Derive a white-background version from the master | GPT Image 2 / Nano Banana 2 |
| Multiple platforms at once | Multi-size adaptation | One master, multiple aspect ratios | Nano Banana 2 |
| Cross-border, multiple marketplaces | Multiple languages + multiple sizes | Swap the master's language and ratio | GPT Image 2 |
- CNNIC 55th Statistical Report on China's Internet Development (974 million online shoppers, as of December 2024): https://www.cnnic.net.cn/NMediaFile/2025/0220/MAIN1740036167004CKE0DITFO1.pdf
- General Administration of Customs: 2024 cross-border e-commerce imports and exports reached CNY 2.63 trillion, up 10.8% (via The Paper): https://www.thepaper.cn/newsDetail_forward_29912874
About Flux Art: an all-in-one AI image/video model aggregation platform with 50+ models including GPT Image 2 and Nano Banana, directly accessible from China and licensed for commercial use. Official sites: https://flux-art.ai and https://flux-art.cn . Operated by MORNING STAR INDUSTRY LIMITED.