
PDFgear 每月有 2,845,280 次造訪,月增率 -3.4%,定價模式為免費。Underleaf 每月有 222,941 次造訪,成長率 -1.9%,定價模式為免費增值。
Underleaf is an AI LaTeX assistant that converts handwritten notes, photos, PDFs, Word files, and spreadsheets into clean, compilable LaTeX, and adds academic writing tools on top.
| 面向/指標 | ||
|---|---|---|
| 官方網域 | pdfgear.com | underleaf.ai |
| 定價模式 | 免費 | 免費增值 |
| 每月造訪次數 | 284.53萬 (2,845,280) | 22.29萬 (222,941) |
| 月流量變化量 | -10.05萬 (-3.4%) | -4251 (-1.9%) |
| 主要市場與市佔 | 🇺🇸 美國 (23.3%) | 🇺🇸 美國 (19.7%) |
| 每月直接造訪 | 67.51萬 | 2.69萬 |
| 使用者評分 | 4.5 | 4.5 |
| 支援平台 | 網站 | 網站 |
適用於所有裝置的免費 AI PDF 編輯器
像在文書處理軟體中一樣編輯文件裡的文字、圖片、圖形、連結、簽名與表單欄位。
與 PDF 對話、產生摘要,從冗長或排版複雜的文件中擷取答案與文字。
在 PDF、Word、Excel、PowerPoint、TXT 與圖片之間互轉,支援批次與無損轉換。
將掃描檔或圖片型文件轉為可完整編輯的 Word 或 TXT 檔。
Underleaf is an AI LaTeX assistant that converts handwritten notes, photos, PDFs, Word files, and spreadsheets into clean, compilable LaTeX, and adds academic writing tools on top.
Converts handwritten notes, photos and screenshots, scanned papers, Word documents, tables, and spreadsheets into LaTeX code that compiles rather than a rough approximation you must retype.
Uploads multi-page PDFs and lets you choose which pages to convert, returning one structured document with sections, numbered equations, tables, and figures in the right places.
Reads equations, matrices, integrals, and aligned derivations at a stated 98%+ accuracy, and can turn diagrams and plots into TikZ.
Drafts abstracts, summaries, and thesis statements; rewrites for clarity without losing your meaning; and looks up citations with BibTeX in the same place.

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。
專項更強由 DeepSeek-V4 與 R1 驅動的高效開源權重與託管推理 AI,token 成本極低。
桌面端文件套件,為本機檔案提供進階編輯、OCR 轉換與 AI 輔助聊天功能。
基於雲端的檔案平台,提供強大的 PDF 編輯、格式轉換與互動式 AI 聊天功能。

Browser-based PDF workspace combining document conversion, e-signatures, and automated AI summarization tools.
將科學公式與 PDF 轉換為 LaTeX 的行業標準,但缺少 Underleaf 的專用寫作工作區。

專項更強Provides technical grammar checking for academic writing without offering LaTeX OCR or compilation features.
專項更強Provides technical grammar checking for academic writing without offering LaTeX OCR or compilation features.