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About this tool
Build AI image and design prompts for Canva AI, Figma AI, YouTube thumbnails and product photography.
Describe the visual you want once and get a prompt shaped for the tool you are using, with composition, style and size details filled in. This page brings together 4 separate design & image prompt builder pages (Canva AI, Figma AI, Product photo, Thumbnail image) so you can compare them without hunting for the right one.
Open Design & Image Prompt Builder on AltFTool — it loads instantly in your browser.
Choose your tool at the top: Canva AI, Figma AI, Product photo, Thumbnail image. On a phone it is a drop-down list.
Fill in the design & image prompt builder for that tool; each of the 4 options keeps its own rules, data and defaults.
Read the result, then switch tool to compare. The page link keeps your tool (?v=canva-ai), so you can bookmark or share it.
Canva AI, Figma AI, Product photo and the rest sit behind one picker, so switching tool takes a tap instead of a new search.
Every tool keeps its own rules, numbers and defaults rather than one generic template.
The link remembers the tool you picked, so a bookmark or a shared link opens straight on it.
4: Canva AI, Figma AI, Product photo, Thumbnail image. Pick one at the top of the tool; the page link updates (for example ?v=canva-ai) so you can bookmark or share that exact view.
1080 x 1080 pixels for a square feed post and 1080 x 1920 for a Story or Reel cover. A square post is rendered around 470 px wide in the feed, so text set smaller than roughly 37 px on the 1080 px canvas falls below the 16 px readable floor once it is displayed.
Column width = (frame width − 2 × margin − (columns − 1) × gutter) ÷ columns. On a 1440px frame with 80px margins, 24px gutters and 12 columns that is (1440 − 160 − 264) ÷ 12 = 84.67px, which is why 12-column desktop grids rarely land on whole pixels.
The main image must have a pure white background (RGB 255,255,255), show only the product being sold with no props, graphics or watermarks, and the product should fill 85% or more of the frame. Images need at least 1000 px on the longest side for zoom to work, and Amazon recommends 1600 px or more.
1280 x 720 pixels at a 16:9 ratio, with a minimum width of 640 px and a file size under 2 MB in JPG, PNG, GIF or WebP. Design it for the small end though — in the suggested-videos rail it displays at roughly 168 px wide.