The AI banner generator in Secret Chat AI draws wide cover art for a channel or profile from a plain description. Pick YouTube cover, Facebook cover, LinkedIn cover or X header in the Preset field, then describe the subject, colors and style. The preset handles the drawing shape, layout brief and final platform size.
YouTube, Facebook, LinkedIn and X are trademarks of Google, Meta, LinkedIn/Microsoft and X Corp. GPT Image, Grok Imagine, Nano Banana, Seedream, Qwen Image, Lustify and WAI Illustrious are trademarks or product names of OpenAI, xAI, Google, ByteDance, Alibaba and their respective owners. Secret Chat AI is an independent product and is not affiliated with, endorsed by, or sponsored by any of them. See our Disclaimers.
What the cover presets do
The Preset chip sits under the message box, and the same field appears in a new image chat's welcome message. YouTube cover fixes the model's drawing shape at 16:9. Facebook cover, LinkedIn cover and X header fix it at 21:9, the widest shape every model in the Image and Image Lax entries draws. While a cover preset is active, the aspect-ratio choice is hidden.
The brief is added on the way to the model; the chat still shows your own words. For YouTube, it describes a 2,560×1,440 canvas and keeps the subject, name and logo inside a central band about 60% of the width and 30% of the height. For the other covers, it asks for a central horizontal composition, plain space in the lower-left corner and no small text or important detail near the top and bottom.
The picture arrives as a JPEG in the platform's exact size: YouTube 2,560×1,440, Facebook 1,702×630, LinkedIn 1,584×396 and X 1,500×500. It is ready to upload as it is.
YouTube channel banner
A YouTube banner maker has to account for one image appearing on very different screens. The result is 2,560×1,440 pixels, YouTube's recommended size, especially for TV. The minimum upload is 2,048×1,152 at 16:9, and at that minimum the safe area for text and logos is 1,235×338 pixels. Larger screens can show the whole picture, while some devices and views crop it. That is why the preset reserves the outer area for background rather than a face, logo or channel name.
Describe what should fill the full scene, then say what must stay in the center: “misty mountain panorama in blue and copper; channel name and small compass mark centered.”
Facebook cover photo
Facebook says Page covers are left-aligned and full bleed, with a 16:9 frame on computers and a 2.4:1 frame on phones. They must be at least 400 pixels wide and 150 pixels tall; an sRGB JPG that is 851×315 pixels and under 100 kilobytes loads fastest. Facebook may crop and resize the cover for different screens, and the profile picture partly covers its left side, overlapping it by about 40 pixels on mobile. The Facebook cover photo maker preset therefore holds the main subject near the middle.
The picture is delivered at 1,702×630 pixels: the same shape as Facebook's 851×315, at twice the size, so it stays sharp when Facebook shows the cover wider than that. Facebook still frames it differently on computers (16:9) and phones (2.4:1), so keep faces and words away from the edges and leave the lower-left area quiet.
LinkedIn background banner
LinkedIn recommends 1,584×396 pixels for a personal cover image, a 4:1 shape, and says its appearance can change with the browser window and screen resolution. The LinkedIn banner generator draws a wider-than-tall 21:9 picture because the models do not draw at 4:1, then Secret Chat AI cuts it to 4:1. The top and bottom of the drawing are removed, which is why the preset keeps a portrait, product or short line of text across the central band.
The profile photo sits over the cover in the introduction section. Leave the lower-left corner as background, even if that empty patch looks unnecessary in the downloaded image. It has a job once the cover is on the profile.
X header
X recommends 1,500×500 pixels for a header, a 3:1 shape. Its help page notes that display differences between monitors and browsers can crop as much as 60 pixels from both the top and bottom. The Twitter header maker, named X header in the preset menu, draws at 21:9, then Secret Chat AI cuts the drawing to 3:1 and keeps useful detail away from those vulnerable edges.
Put the visual subject around the middle and let color or texture run to the sides. Keep the lower-left plain for the profile picture. After upload, check the header on both a narrow phone and a desktop browser to see how X displays it.
Put a name or headline on the banner
GPT Image Flare and GPT Image Sunburst are the strongest models here when the picture must contain legible words. Keep the copy short and give the exact spelling: “write ‘NORTH COAST LAB’ in large cream capitals inside the center safe band.” A channel name and a brief subtitle are realistic requests; a paragraph, schedule or list does not belong on a banner.
Text in an AI picture is still part of a drawing. It is not an editable type layer, and strongest does not mean perfect. Check spelling, punctuation and repeated letters at full size. Legal, contact or event details belong in the channel or profile description, not in the picture.
Make a banner from your photo or logo
Attach a photo or logo with the paperclip, or press Edit under a picture already in the chat. On models that support image-to-image, the attachment becomes a starting point for the new banner. Ask for the placement and treatment directly: “place this portrait in the center-right and continue the studio background across the full cover.”
This process redraws the source. Facial details, colors, letterforms and small parts of a logo can change, so compare the result with the original. For prompted revisions and their limits, see the AI Image Editor.
Generate several banner ideas
Variants are useful when the composition is more important than a tiny detail. GPT Image and Grok Imagine can return up to 10 pictures in one request. Seedream, Seedream Pro, Qwen Image, Lustify and WAI Illustrious can return up to 4; Nano Banana returns 1. Compare where the subject lands, then edit the strongest composition.
Every generating model draws 16:9 and 21:9. GPT Image Flare is the fast default and GPT Image Sunburst is slower and more precise; the other choices are Nano Banana, Nano Banana Pro and Grok Imagine in Image, plus Seedream, Seedream Pro, Qwen Image, Lustify and WAI Illustrious in Image Lax. The result is always delivered at the platform size. A higher resolution—2K where available, or 4K on Nano Banana—gives the scaler more real detail, so the finished cover is sharper, especially at YouTube's 2,560×1,440.
What it costs
The banner generator is charged to your balance. Higher resolution and more variants cost more, and the exact charge appears under the answer. See the pricing page for the packs.
Privacy, stated honestly
We store nothing on our side: there is no archive of chats or pictures, and pictures live in your browser. There is no personal profile, no chat is associated with you, and the request reaches the chosen provider as a stranger's. Your material is never used for training.
An uploaded photo or logo goes to the chosen provider verbatim, so leave out anything you do not want that provider to process.
Start in the main AI Image Generator. An avatar and banner usually go together: the avatar sits over the banner's lower-left corner, and you can make one with the AI Avatar Generator. For vertical artwork, use the AI Poster Generator. The private AI chat guide explains the anonymity and browser-storage model.