上传任何照片、截图、图表或示意图，几秒内即可获得详细描述。识别物体，读取可见文字，解释场景，并从图表中提取数据 — 由 Google Gemini 2.5 Flash Vision 提供支持。适用于无障碍替代文本、收据解析、产品照片分析和内容审核。
为 Image Describer 精选的 3 个示例。点击“试用此示例”即可填入上方表单。
屏幕阅读器的替代文本，用于营销报告图片。
条形图，标题为“2026 Q1 按地区收入（美元百万）”。从左到右的五根竖柱分别为：北美 4210 万美元（最高），欧洲 2840 万美元，亚太地区 1960 万美元，拉美 720 万美元，中东与非洲 380 万美元。北美同比增长 18%，而拉美下降 6%。
生活方式产品照片 → 电商商品描述。
照片：一款全粒面皮革手提袋，呈温暖自然的棕褐色，置于柔和的米色背景前拍摄。两条卷皮革顶部手柄，超大黄铜 YKK 拉链，接缝处有小巧的压印品牌标记。尺寸看起来足够容纳 16 英寸笔记本电脑，顶部还有额外空间。可见的工艺细节：边缘上漆的接缝、古铜色五金、主体面板上略有的纹理变化——明显是真皮，而非压纹人造皮。
技术图表 → 文档教程段落。
该图展示了面向公共客户端（例如 SPA 或移动应用）的 OAuth 2.0 PKCE 流程。步骤 1：客户端生成 code_verifier（随机字符串）和 code_challenge（verifier 的 SHA-256 哈希）。步骤 2：用户被重定向到 /authorize 并携带 code_challenge。步骤 3：用户登录后，返回给客户端一个授权码。步骤 4：客户端向 /token POST 该授权码以及原始的 code_verifier。步骤 5：服务器对 verifier 进行哈希，与原始 challenge 对比，只有匹配后才发放访问令牌。
需要无限使用次数？
升级至 Pro — $19/moYour 图像描述器 results will appear here
You'll get a detailed description covering text, objects, people, setting, and notable details.
Generate accessible alt text for website and blog images
Understand a screenshot when you cannot view it clearly
Summarize what a chart or diagram is showing in plain language
Catalog and label a batch of photos with consistent descriptions
Extract and read text visible inside a photo or scan
It looks at an image you upload and writes a detailed description of its contents, including objects, scenes, any visible text, and the gist of charts or diagrams.
Standard image formats like JPG, PNG, and WebP work well. Keep uploads to a reasonable size; very large files should be resized before uploading for faster processing.
Yes. It transcribes visible text such as labels, signs, and screenshots as part of the description, though stylized or very small text may be less reliable.
Absolutely. The description gives you a strong starting point for accessibility alt text; trim it to a concise sentence that captures the key purpose of the image.
Descriptions are generally accurate for common objects and scenes, but the model can misread ambiguous visuals or fine detail, so verify anything critical before relying on it.
Yes. You can use the generated descriptions in your content, documentation, and products. Free allows 5 descriptions per day with no signup; Pro is $19/month.
Uploaded images are processed only to generate the description and are then discarded. They are not stored or used to train models.
我们不存储您的文本。处理在实时进行，您的输入在生成结果后立即被丢弃。
免费用户：每天 5 次使用 | Pro 用户：无限制
Ready-to-use prompts — click "Use This" to auto-fill the tool
Describe what you want to achieve with this tool and include any relevant details.
Provide context about your audience, tone, and any specific requirements.
List the key points or features you want this tool to address.
Specify any constraints such as word count, format, or style guidelines.
Share any examples or references that might help get better results.
您可以随时通过页脚的"Cookie 偏好设置"链接更改这些选择。
网站正常运行所需：语言、登录、安全令牌、您的同意选择。始终开启。
帮助我们了解哪些页面和工具有用（Google Analytics、Web Vitals、性能监控）。绝不用于个人识别。
让我们衡量哪些营销渠道有效（UTM 归因、A/B 测试变体、广告效果）。仅汇总数据，不出售用户资料。
