Question 1

How does the AI pixel art generation work?

Accepted Answer

PxlTshirt uses a two-model AI pipeline. First, Google Gemini 2.0 Flash analyzes your uploaded photo to identify the subject, colors, mood, composition, and key visual details. It then generates a structured prompt tailored to your image. Second, Google Imagen 4.0 Fast uses that prompt to create an original pixel art interpretation — not a simple filter, but a full artistic reinterpretation in retro 8-bit or 16-bit style. The result is upscaled to 4096px print-ready resolution, and smart post-processing removes the background and calculates optimal placement on the shirt. The entire process takes 30–60 seconds.

Question 2

What image formats can I upload?

Accepted Answer

We accept JPG, PNG, and WebP images. For best results, upload high-resolution photos with good lighting, a clear subject, and high contrast between subject and background. Portraits, pet photos, and close-up subjects tend to produce the strongest pixel art results. Busy backgrounds or very low-contrast images may reduce the clarity of the final design. The AI analyzes the full image, so even partially complex photos typically yield usable results — you can always generate multiple variations and pick the best one.

Question 3

How long does shipping take?

Accepted Answer

Each t-shirt is printed on demand after your order is placed. Production takes 3–5 business days, followed by shipping. Within Germany, delivery typically takes an additional 2–4 business days, for a total of around 5–9 business days from order to doorstep. Shipping to other European countries usually takes 4–7 additional business days after production. You will receive a shipping confirmation email with tracking information once your shirt is on its way.

Question 4

What is the t-shirt quality?

Accepted Answer

PxlTshirt uses premium 100% organic cotton t-shirts with a fabric weight of 180 g/m². Printing uses direct-to-garment (DTG) technology, which bonds ink directly into the fabric fibers rather than sitting on top like a vinyl transfer. This produces vibrant, detailed colors that don't crack, peel, or fade with normal washing. The shirts are available in sizes XS through XXL and in 10 color options. Organic cotton certification means no harmful pesticides in the fabric — better for your skin and the environment.

Question 5

Can I return or exchange my order?

Accepted Answer

Yes. We offer returns within 14 days of delivery in accordance with German consumer protection law (BGB § 312g, Fernabsatzrecht). Because each shirt is custom-made with your unique AI-generated design, we can only accept returns for defective items or verifiable printing errors — not for change of mind on a custom product. If your shirt arrives with a print defect, incorrect size, or shipping damage, contact us and we will arrange a replacement or full refund. Please keep your order confirmation email as proof of purchase.

Question 6

Can I create pixel art from any photo?

Accepted Answer

Yes. The AI works with portraits, pet photos, landscapes, logos, game screenshots, food photos, buildings, vehicles, illustrations, and more. Google Gemini analyzes the subject type and adapts the pixel art style accordingly — a portrait receives different treatment than a landscape. For best results, use photos with good lighting, a clear focal subject, and reasonable contrast. Very dark or blurry images may produce less detailed results. You can generate multiple variations from the same photo to compare styles. Your first generation is free, with no account required.

Question 7

How long does the AI generation take?

Accepted Answer

The full generation pipeline takes approximately 30–60 seconds from upload to finished pixel art. This includes: image upload and validation (a few seconds), analysis by Google Gemini 2.0 Flash to understand the subject and generate a style prompt (5–10 seconds), pixel art generation by Google Imagen 4.0 Fast at 2048px (20–40 seconds), background removal and smart upscaling to 4096px print resolution (5–10 seconds), and design placement calculation for the shirt preview. Generation time may vary slightly depending on server load.

Question 8

Is my uploaded photo stored or shared?

Accepted Answer

Your privacy is protected under GDPR and German data protection law (BDSG/BGB). Uploaded photos are processed in a secure server environment and used solely to generate your pixel art. Original photos are automatically deleted from our servers after processing is complete — they are never retained for training AI models, sold to third parties, or used for any purpose other than your generation request. The generated pixel art designs are stored only to display your results and enable ordering. You can request deletion of your data at any time by contacting us.

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