
Instafill.ai 每月有 35,630 次造訪,月增率 -36.6%,定價模式為免費試用、付費、需聯絡報價。Sider 每月有 2,644,740 次造訪,成長率 -10.6%,定價模式為免費增值。

Instafill.ai is an online AI form filler that reads any PDF or Word document, detects every field, and automatically completes it using data you already have. Upload a form, let the AI extract and map answers, review the result in a visual editor, then export a finished document in under a minute.
| 面向/指標 | ![]() | |
|---|---|---|
| 官方網域 | instafill.ai | sider.ai |
| 定價模式 | 免費試用、付費、需聯絡報價 | 免費增值 |
| 每月造訪次數 | 3.56萬 (35,630) | 264.47萬 (2,644,740) |
| 月流量變化量 | -2.06萬 (-36.6%) | -31.42萬 (-10.6%) |
| 主要市場與市佔 | 🇺🇸 美國 (68.3%) | 🇺🇸 美國 (13.3%) |
| 每月直接造訪 | 7632 | 169.95萬 |
| 使用者評分 | 4.3 | 4.5 |
| 支援平台 | 網站 | 網站 |

Instafill.ai is an online AI form filler that reads any PDF or Word document, detects every field, and automatically completes it using data you already have. Upload a form, let the AI extract and map answers, review the result in a visual editor, then export a finished document in under a minute.
Automatically detects and maps every field in a flat PDF or Word form, using semantic understanding rather than rigid templates.
Each filled field can display its source and the reasoning behind the value, making verification fast and auditable.
Runs concurrent parallel field filling and handles structured row data, so multi-form packets and repeating tables are completed together.
An MCP server lets you fill PDFs from inside Claude Desktop, Code, or ChatGPT, plus n8n and Zapier automations for wider workflows.
面向閱讀、寫作與研究的 AI 側邊欄與瀏覽器代理
常駐面板可讀取目前頁面,並用 GPT、Claude 或 Gemini 繼續追問,無需把內容複製到另一個分頁。
摘要長文章、PDF 和 YouTube 影片,提取重點,並針對原始材料提出具體問題。
翻譯網頁、PDF 和圖片,可對照雙語結果,並支援把內容朗讀出來便於行動中查看。
利用你已登入的工作階段,把比價、填表、跨站調研和收件匣整理等多步任務交給代理完成。

專項更強Anthropic 的前沿 AI 工作空間,由 Claude 5.5 驅動,擅長代理式程式開發、分析與細膩寫作。
跨裝置的免費 AI PDF 編輯、轉換與閱讀工具
PDF.ai lets you chat with any PDF using AI: upload or open a document and ask questions to get answers with citations, instant summaries and extracted data. The platform also provides a developer API for parsing documents, pulling out structured data and splitting PDFs inside your own workflows.
PDF.ai lets you chat with any PDF using AI: upload or open a document and ask questions to get answers with citations, instant summaries and extracted data. The platform also provides a developer API for parsing documents, pulling out structured data and splitting PDFs inside your own workflows.