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PDFgear vs Underleaf
PDFgear 记录了 2,845,280 月访问量，月度环比增长为 -3.4%，定价为免费。Underleaf 记录了 222,941 月访问量，增长率为 -1.9%，定价为免费增值。
PDFgear 记录了 2,845,280 月访问量，月度环比增长为 -3.4%，定价为免费。Underleaf 记录了 222,941 月访问量，增长率为 -1.9%，定价为免费增值。
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.
| 维度 / 指标 | ||
|---|---|---|
| 官方域名 | pdfgear.com | underleaf.ai |
| 定价模式 | 免费 | 免费增值 |
| 月访问量 | 284.53万 (2,845,280) | 22.29万 (222,941) |
| 月度环比流量变化 | -10.05万 (-3.4%) | -4251 (-1.9%) |
| 主要市场与份额 | 🇺🇸 美国 (23.3%) | 🇺🇸 美国 (19.7%) |
| 直接访问 / 月 | 67.51万 | 2.69万 |
| 用户评分 | 4.5 | 4.5 |
| 支持的平台 | 网站 | 网站 |
面向所有设备的免费 AI PDF 编辑器
像在文字处理软件中一样编辑文档里的文字、图片、形状、链接、签名和表单字段。
与 PDF 对话、生成摘要，从冗长或排版复杂的文档中提取答案与文本。
在 PDF、Word、Excel、PowerPoint、TXT 与图片之间互转，支持批量与无损转换。
将扫描件或图片型文档转换为可完整编辑的 Word 或 TXT 文件。
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.
专项更强由 DeepSeek-V4 与 R1 驱动的高效开源权重与托管推理 AI，token 成本极低。
覆盖视频、文档、图表与数据的 AI 创意与效率软件套件
基于云端的文档平台，提供强大的 PDF 编辑、格式转换与交互式 AI 聊天功能。
Browser-based PDF workspace combining document conversion, e-signatures, and automated AI summarization tools.
将科学公式和 PDF 转换为 LaTeX 的行业标准，但缺少 Underleaf 的专属写作工作区。
专项更强Provides technical grammar checking for academic writing without offering LaTeX OCR or compilation features.
专项更强Provides technical grammar checking for academic writing without offering LaTeX OCR or compilation features.
