pdf.net 记录了 1,257,131 月访问量，月度环比增长为 -22.3%，定价为免费增值，免费。Prep Edu 记录了 1,414,975 月访问量，增长率为 -19.8%，定价为付费。
Prep Edu is an online language-learning and exam-preparation platform combining structured IELTS, TOEIC and HSK courses with AI-powered practice. Its Prep AI Virtual Speaking Room and Virtual Writing Room simulate real exam conditions and return feedback on grammar, pronunciation, vocabulary, ideas and logic, while the Teacher Bee AI companion offers round-the-clock guidance. Learners get a personalised roadmap, mock tests, progress tracking and mobile access for studying at home.
| 维度 / 指标 |  | |
|---|---|---|
| 官方域名 | pdf.net | prepedu.com |
| 定价模式 | 免费增值，免费 | 付费 |
| 月访问量 | 125.71万 (1,257,131) | 141.5万 (1,414,975) |
| 月度环比流量变化 | -36.04万 (-22.3%) | -34.97万 (-19.8%) |
| 主要市场与份额 | 🇺🇸 美国 (76.7%) | 🇻🇳 越南 (78%) |
| 直接访问 / 月 | 18.15万 | 47.91万 |
| 用户评分 | 4.1 | 4.1 |
| 支持的平台 | 网站 | 网站 |
一站式在线 PDF 编辑器，内置 AI 助手帮你阅读、总结与生成文档
可直接修改文字、字体、字号与颜色，插入图片，添加页码、水印与 Bates 编号，旋转、提取或重排页面，以及拆分与合并文件。
支持 PDF 与 Word、Excel、PowerPoint、CSV、JPG、PNG、HEIC、EPUB、Markdown、文本之间的互转，包括银行对账单转表格与 PDF 对比。
键入、手写或上传签名，通过邮件请求他人签署，添加密码保护，涂黑敏感内容，并把平面或扫描表单变成可填写表单。
与 PDF 对话提问内容，把长文档总结成要点，按描述生成排版好的 PDF，或让 AI 自动填写表单。
Prep Edu is an online language-learning and exam-preparation platform combining structured IELTS, TOEIC and HSK courses with AI-powered practice. Its Prep AI Virtual Speaking Room and Virtual Writing Room simulate real exam conditions and return feedback on grammar, pronunciation, vocabulary, ideas and logic, while the Teacher Bee AI companion offers round-the-clock guidance. Learners get a personalised roadmap, mock tests, progress tracking and mobile access for studying at home.
Rehearse exam-style speaking tasks with AI scoring and multi-layer feedback covering grammar, pronunciation, fluency, vocabulary and how well your ideas are organised.
Submit written answers and receive automated scoring with suggestions on structure, vocabulary range and accuracy to raise your band score.
A companion that answers questions, walks through difficult tasks and keeps learners motivated between lessons.
Structured IELTS, TOEIC and HSK programmes, a PrepTalk English speaking course, entry tests and mock exams that mirror the real format.
专项更强Delivers quick PDF summarization and document chat, but lacks the broader editing and e-signature features of pdf.net.
专项更强Delivers quick PDF summarization and document chat, but lacks the broader editing and e-signature features of pdf.net.
Provides professional desktop and cloud PDF editing software with extensive document conversion tools, but requires downloads.
Provides professional desktop and cloud PDF editing software with extensive document conversion tools, but requires downloads.
专项更强NoteGPT is an AI agent that handles research, summarizing, transcription, document writing, slides, spreadsheets, and media generation for work and study. It routes tasks across several leading LLMs and delivers editable output files.
专注于 PTE 和 IELTS 考试练习，并具备强大的 AI 评分功能，与 Prep Edu 的考场类似。
提供全面的云端 PDF 转换与编辑工具，并结合 AI 聊天功能，功能几乎与 pdf.net 不相上下。
拥有大量的免费浏览器端文件工具，不过专属的 PDF 工作区精致度稍低。
