免费 AI 图像生成器

AI 图像工具

在线抠图、超分、扩图或转换风格。每个工具都有独立流程，结果会保存到同一个私有图库。

背景移除抠出主体，返回透明底 PNG。图片放大放大 2 倍或 4 倍，画面不糊。图片扩展向画面外延伸内容，把图片扩展到新的宽高比。风格转换保留主体，把照片转换成插画等不同风格。

AI 图像模型

在同一界面选择八种图像生成模型。打开模型页可对比优势、示例图和推荐提示词。

GPT Image 2忠实还原提示词的插画、产品图和精确版式。GPT Image 2.5 Flare更快的 GPT Image 2.5 生成与编辑。GPT Image 2.5 Sunburst更精准的 GPT Image 2.5 生成与编辑。Nano Banana 2快速日常生成，审美一致性强。Qwen Image 3.0多语言设计风格与排版感知生成。FLUX.2高质量写实生成与参考图编辑。Nano Banana Pro细节场景、可读文字，以及参考图引导的编辑。Seedream 5.0 Pro生产级版式、多语言文字与多参考编辑。

AI 图像生成示例

浏览用上方生成器做出的真实提示词作品。打开任意示例可查看大图、复用提示词，或把图片当作参考。

光圈对比Canon 85mm portrait of a woman during the blue hour after sunset in a city, a four-panel comparison shot at f/1.8, f/2.8, f/10 and f/14, background blur changing across the panels, natural skin tones.打开预览 →促销海报A modern, playful graphic poster for a Christmas sale — bold typography, vibrant festive colours, clean layout with room for a discount badge.打开预览 →产品静物A ceramic coffee cup on a pale stone surface, morning side light, soft shadow, minimal product photography.打开预览 →收藏手办A collectible vinyl figurine of a young traveller with a backpack on a neutral grey backdrop, soft studio light, glossy finish.打开预览 →微距细节Macro photograph of a wristwatch face, brushed metal texture, fine engraving, dramatic reflections, dark background.打开预览 →合影Three friends laughing together at an outdoor table, candid group photograph, warm late afternoon light, all faces sharp.打开预览 →封面版式A minimal magazine cover layout: a large headline area at the top, a single centred object below, generous margins, two-colour palette.打开预览 →蓝调城市快递员A bicycle courier in a cobalt jacket crossing a rain-slick city intersection just after sunset, subject sharply rendered against controlled motion blur, warm storefront reflections, cinematic editorial photography, realistic fabric and street texture.打开预览 →机器人纸艺工坊Four palm-sized ceramic robots collaborating in a warm tabletop workshop to build three oversized coral and saffron paper flowers, tactile stop-motion craft style, visible paper fibres, glazed ceramic and soft morning studio light.打开预览 →植物茶包装Premium product photograph of a cream paper tea box and matching cylindrical tin with precise botanical line engraving on a dark walnut table. Labels read "LUMA TEA" and "JASMINE · No. 04", crisp fine detail, forest green ink, brass accents and soft directional studio light.打开预览 →创作流程信息图A clean four-step product design workflow infographic titled "FROM IDEA TO LAUNCH". Four equal blocks connected left to right and labelled "IDEA", "SKETCH", "BUILD", "SHIP", with the footer "A SIMPLE CREATIVE WORKFLOW", polished vector style, precise alignment and generous whitespace.打开预览 →材质图鉴A premium landscape editorial infographic titled "MATERIAL ATLAS". Arrange four precise material studies in a clean modular grid: translucent glass, brushed metal, folded ivory textile and deep cobalt ceramic. Add the exact labels "GLASS", "METAL", "TEXTILE" and "CERAMIC" beneath the matching samples, generous warm-white margins, subtle measurement marks, refined studio lighting and a sophisticated contemporary design-magazine art direction.打开预览 →光谱未来海报A finished vertical bilingual design festival poster set in a dark gallery, featuring a monumental translucent glass ribbon sculpture refracting cyan, violet, coral and amber light. Render the exact headline "光谱未来 · SPECTRUM FUTURES", supporting lines "SHANGHAI DESIGN WEEK" and "08—14 OCT 2026", and footer "WEST BUND ART CENTER". Cinematic photorealism, refined cultural-poster typography, polished black floor reflections, clear hierarchy and no extra text.打开预览 →

密集信息图A dense infographic poster explaining how an AI image generator works: labelled diagram blocks, connecting arrows, small captions, legible typography, muted technical colour palette.打开预览 →学习卡片A set of study cards explaining how Git works: one concept per card, large heading, three bullet points, a simple icon, consistent grid layout.打开预览 →产品静物A ceramic coffee cup on a pale stone surface, morning side light, soft shadow, minimal product photography.打开预览 →热闹街景A busy night market street with many stalls, lanterns and people, every stall readable, deep detail throughout, cinematic light.打开预览 →包装静物A craft coffee bag on a wooden counter, warm morning light, the brand name printed clearly on the label, shallow depth of field.打开预览 →流程图A flow diagram of four labelled blocks connected by arrows on an off-white background, muted blue and grey palette, technical illustration.打开预览 →扁平插画Flat isometric illustration of a person working at a desk with plants and a laptop, pastel palette, white background.打开预览 →夜市海报A refined vertical travel poster for an evening food market, a richly detailed night market with many coherent stalls, lanterns, diners and steam below a clear headline. Render "NIGHT MARKET" and "FRIDAY · 6 PM" exactly once, premium editorial illustration, deep indigo and warm vermilion.打开预览 →设计杂志封面An architecture magazine cover with exactly one sculptural cobalt chair in a quiet concrete gallery, rigorous Swiss-influenced layout and generous margins. Headline "FORM & FUNCTION", supporting lines "ISSUE 08" and "OBJECTS WITH PURPOSE", warm off-white paper and one vermilion rule.打开预览 →上海夜市A sophisticated vertical cultural travel poster for a Shanghai night market, dense but carefully structured composition with red lanterns, steaming food stalls, handwritten menu boards, diners and wet street reflections. Render the exact headline "夜市 · NIGHT MARKET" and the exact footer "SHANGHAI · 19:00". Deep ink blue, lacquer red and warm gold palette, cinematic photorealism with premium editorial typography and clear visual hierarchy.打开预览 →Lumen 精华广告A premium landscape skincare campaign with exactly three frosted glass serum bottles on pale limestone, translucent plum and warm coral liquids, brushed silver caps, soft directional studio daylight, convincing glass refraction and tactile stone detail. Compose it as a sophisticated advertising layout with generous cream negative space. Render the exact large headline "LUMEN · 光" and the exact small line "DAILY SERUM", perfectly legible, with refined international design-magazine art direction and no extra text.打开预览 →潮汐之屋建筑展板A polished landscape architectural presentation board for a compact coastal retreat named "TIDAL HOUSE". Use a rigorous warm-white modular grid with one large photorealistic exterior rendering and three precise supporting panels: a floor plan, a section drawing and a material palette of oak, brushed aluminium, linen and sea stone. Render the exact labels "PLAN", "SECTION", "MATERIALS" and footer "COASTAL RETREAT · 2026". Contemporary Swiss editorial design, convincing materials, generous margins and no extra text.打开预览 →

光圈对比Canon 85mm portrait of a woman during the blue hour after sunset in a city, a four-panel comparison shot at f/1.8, f/2.8, f/10 and f/14, background blur changing across the panels, natural skin tones.打开预览 →学习卡片A set of study cards explaining how Git works: one concept per card, large heading, three bullet points, a simple icon, consistent grid layout.打开预览 →热闹街景A busy night market street with many stalls, lanterns and people, every stall readable, deep detail throughout, cinematic light.打开预览 →微距细节Macro photograph of a wristwatch face, brushed metal texture, fine engraving, dramatic reflections, dark background.打开预览 →流程图A flow diagram of four labelled blocks connected by arrows on an off-white background, muted blue and grey palette, technical illustration.打开预览 →蓝调城市快递员A bicycle courier in a cobalt jacket crossing a rain-slick city intersection just after sunset, subject sharply rendered against controlled motion blur, warm storefront reflections, cinematic editorial photography, realistic fabric and street texture.打开预览 →夜市海报A refined vertical travel poster for an evening food market, a richly detailed night market with many coherent stalls, lanterns, diners and steam below a clear headline. Render "NIGHT MARKET" and "FRIDAY · 6 PM" exactly once, premium editorial illustration, deep indigo and warm vermilion.打开预览 →材质图鉴A premium landscape editorial infographic titled "MATERIAL ATLAS". Arrange four precise material studies in a clean modular grid: translucent glass, brushed metal, folded ivory textile and deep cobalt ceramic. Add the exact labels "GLASS", "METAL", "TEXTILE" and "CERAMIC" beneath the matching samples, generous warm-white margins, subtle measurement marks, refined studio lighting and a sophisticated contemporary design-magazine art direction.打开预览 →光谱未来海报A finished vertical bilingual design festival poster set in a dark gallery, featuring a monumental translucent glass ribbon sculpture refracting cyan, violet, coral and amber light. Render the exact headline "光谱未来 · SPECTRUM FUTURES", supporting lines "SHANGHAI DESIGN WEEK" and "08—14 OCT 2026", and footer "WEST BUND ART CENTER". Cinematic photorealism, refined cultural-poster typography, polished black floor reflections, clear hierarchy and no extra text.打开预览 →

密集信息图A dense infographic poster explaining how an AI image generator works: labelled diagram blocks, connecting arrows, small captions, legible typography, muted technical colour palette.打开预览 →产品静物A ceramic coffee cup on a pale stone surface, morning side light, soft shadow, minimal product photography.打开预览 →收藏手办A collectible vinyl figurine of a young traveller with a backpack on a neutral grey backdrop, soft studio light, glossy finish.打开预览 →包装静物A craft coffee bag on a wooden counter, warm morning light, the brand name printed clearly on the label, shallow depth of field.打开预览 →封面版式A minimal magazine cover layout: a large headline area at the top, a single centred object below, generous margins, two-colour palette.打开预览 →机器人纸艺工坊Four palm-sized ceramic robots collaborating in a warm tabletop workshop to build three oversized coral and saffron paper flowers, tactile stop-motion craft style, visible paper fibres, glazed ceramic and soft morning studio light.打开预览 →创作流程信息图A clean four-step product design workflow infographic titled "FROM IDEA TO LAUNCH". Four equal blocks connected left to right and labelled "IDEA", "SKETCH", "BUILD", "SHIP", with the footer "A SIMPLE CREATIVE WORKFLOW", polished vector style, precise alignment and generous whitespace.打开预览 →上海夜市A sophisticated vertical cultural travel poster for a Shanghai night market, dense but carefully structured composition with red lanterns, steaming food stalls, handwritten menu boards, diners and wet street reflections. Render the exact headline "夜市 · NIGHT MARKET" and the exact footer "SHANGHAI · 19:00". Deep ink blue, lacquer red and warm gold palette, cinematic photorealism with premium editorial typography and clear visual hierarchy.打开预览 →潮汐之屋建筑展板A polished landscape architectural presentation board for a compact coastal retreat named "TIDAL HOUSE". Use a rigorous warm-white modular grid with one large photorealistic exterior rendering and three precise supporting panels: a floor plan, a section drawing and a material palette of oak, brushed aluminium, linen and sea stone. Render the exact labels "PLAN", "SECTION", "MATERIALS" and footer "COASTAL RETREAT · 2026". Contemporary Swiss editorial design, convincing materials, generous margins and no extra text.打开预览 →

促销海报A modern, playful graphic poster for a Christmas sale — bold typography, vibrant festive colours, clean layout with room for a discount badge.打开预览 →产品静物A ceramic coffee cup on a pale stone surface, morning side light, soft shadow, minimal product photography.打开预览 →热闹街景A busy night market street with many stalls, lanterns and people, every stall readable, deep detail throughout, cinematic light.打开预览 →合影Three friends laughing together at an outdoor table, candid group photograph, warm late afternoon light, all faces sharp.打开预览 →扁平插画Flat isometric illustration of a person working at a desk with plants and a laptop, pastel palette, white background.打开预览 →植物茶包装Premium product photograph of a cream paper tea box and matching cylindrical tin with precise botanical line engraving on a dark walnut table. Labels read "LUMA TEA" and "JASMINE · No. 04", crisp fine detail, forest green ink, brass accents and soft directional studio light.打开预览 →设计杂志封面An architecture magazine cover with exactly one sculptural cobalt chair in a quiet concrete gallery, rigorous Swiss-influenced layout and generous margins. Headline "FORM & FUNCTION", supporting lines "ISSUE 08" and "OBJECTS WITH PURPOSE", warm off-white paper and one vermilion rule.打开预览 →Lumen 精华广告A premium landscape skincare campaign with exactly three frosted glass serum bottles on pale limestone, translucent plum and warm coral liquids, brushed silver caps, soft directional studio daylight, convincing glass refraction and tactile stone detail. Compose it as a sophisticated advertising layout with generous cream negative space. Render the exact large headline "LUMEN · 光" and the exact small line "DAILY SERUM", perfectly legible, with refined international design-magazine art direction and no extra text.打开预览 →一个故事，三座城市A polished landscape editorial fashion triptych with exactly three equal vertical panels showing the same fictional East Asian woman with the same short black bob, facial features and cobalt blue trench coat in rainy Shanghai at blue hour, quiet Paris in soft morning light and neon Tokyo at night. Keep her identity and outfit clearly consistent while changing only pose, city, weather and lighting. Render the exact headline "ONE STORY · THREE CITIES" once, perfectly legible, with a clean structured grid, cinematic photography and no other text.打开预览 →

AI 图像生成功能

AI 图像生成器常见问题

关于模型、免费积分、提示词，以及如何生成第一张图的说明。

1. 1

   什么是 AI 图像生成器？

   它能把文字描述变成图片。输入你想看到的内容，选择模型和画幅，几秒就能出图——不用手绘、不用图库、也不用修图软件。

2. 2

   可以免费使用吗？

   有免费额度。注册即可获得欢迎积分，够生成若干张图，无需填写支付信息。付费方案提供更高保真模型、更多月度积分和 API 访问。

3. 3

   可以使用哪些模型？

   FLUX.2 适合快速草稿，Nano Banana Pro 适合复杂细节，GPT Image 2 适合忠实版式，Seedream 5.0 Pro 适合生产级画面和多参考。同一提示框即可切换。

4. 4

   能在图像里生成文字吗？

   可以。把精确文案用引号写进提示词，例如海报标题或产品标签，它们会作为画面的一部分生成。文字必须准确时，优先选 Nano Banana Pro 和 GPT Image 2。

5. 5

   积分如何计算？

   每次生成按模型和张数扣积分，GPT Image 2 一张图从 8 积分起。点击生成前会显示消耗，登录后会显示你的余额。

6. 6

   需要安装软件或自备 API Key 吗？

   都不需要。模型在我们这边运行，不用下载、不用 GPU，也不用粘贴密钥。用电脑或手机浏览器即可。