# ChatPDF vs Cokeep

ChatPDF records 1,044,477 monthly visits with -3.7% month-over-month growth and Freemium pricing. Cokeep records 1,359 monthly visits with -6.3% growth and Freemium pricing.

| Metric | [ChatPDF](https://openaitools.app/tool/chatpdf) | [Cokeep](https://openaitools.app/tool/cokeep) |
| :--- | :--- | :--- |
| Website URL | https://www.chatpdf.com | https://cokeep.me |
| Categories | AI PDF, AI Chatbot, AI PDF Summarizer, AI Summarizer | AI Knowledge Management, AI Summarizer, AI Knowledge Base, AI Productivity Tools |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 1,044,477 | 1,359 |
| MoM Growth Rate | -3.7% | -6.3% |
| Primary Market | United States | Vietnam |
| Direct Visits | 457,792 | 570 |
| Review Score | 4.2 | 3.9 |
| Saved Count | 279 | 0 |
| Supported Platforms | Website | Website |

## ChatPDF

ChatPDF started as a simple "chat with your PDF" utility and has grown into a full research and study workspace. You can drop in a PDF, Word document, PowerPoint deck, Markdown or text file, paste a link, or point it at a YouTube video, then ask questions in natural language. Answers are grounded in your sources and come with clickable citations so you can verify anything straight from the original page.

Beyond one-off Q&A, the platform supports folders and multi-file chats, so you can query a whole reading list at once and compare findings across documents. A side-by-side layout keeps the conversation and the document open together, while translation lets you read material in another language or ask questions in a language different from the source. The team has expanded the suite with an AI writer, AI detector, flashcards, slide generation, and a dedicated research mode.

Access is browser-based and device-agnostic, with desktop and mobile apps available. The free tier covers a limited number of documents per day with no sign-up required for the core experience, while the paid Plus plan removes limits and unlocks advanced features. Enterprise-grade handling (SSL in transit, encrypted storage, SOC 2 Type II storage provider) is advertised, and users can delete their documents at any time.

**Pricing & Plans:** Freemium. A free tier lets you analyze a limited number of documents per day, and the core chat experience works without creating an account. ChatPDF Plus is a paid subscription that adds unlimited document analysis and advanced features — check the site for current plan details and regional pricing.

- **Cited answers:** Every response is anchored to your source document with clickable citations that scroll to the exact passage, so verification takes seconds instead of page-by-page searching.
- **Multi-file chat and folders:** Organize documents into folders and query many files in a single conversation to compare arguments, cross-reference findings, or study a whole syllabus at once.
- **Summarization and translation:** Condense long papers, reports, and contracts into key takeaways, and translate or query documents in any language — including mixing a source language with a different question language.
- **Study and writing tools:** Generate flashcards and slide decks from your material, and use the built-in AI writer and AI detector for drafting and checking academic text.
- **Side-by-side reading view:** Keep the chat panel and the PDF open together so answers stay linked to the original content while you read along.

**Strengths:** Answers include clickable citations tied to the original page, which makes fact-checking straightforward; Works with PDFs, Word, PowerPoint, Markdown, text, YouTube links, and web pages in one place; No account needed to try the core chat experience, and the free tier covers light daily use; Multilingual: upload in one language and ask questions in another

**Limitations:** The free plan caps how many documents you can analyze each day; Advanced features such as unlimited analysis and the full study toolkit sit behind the paid Plus subscription; Very large documents or heavy multi-file sessions can be slower and may hit size limits

[Profile (Markdown)](https://openaitools.app/tool/chatpdf.md)

## Cokeep

Cokeep targets the gap between saving information and actually learning from it. Instead of accumulating an unread reading list, it lets you collect articles, videos and links from anywhere, then reshapes them into something you can absorb — long pieces are split into smaller chunks, and AI produces instant summaries and tags so individual items stay findable inside a growing library.

The site frames the problem as information overload. Its messaging promises that you will "keep smarter, learn faster" by focusing on what matters and organising retained knowledge "like a pro". That is a retention-first pitch rather than a pure bookmarks pitch: the value is not just storing a link but making it easy to revisit and remember.

A community layer sits on top, letting you explore curated content other users have shared and collaborate with friends or teammates. On the privacy side, Cokeep states that users retain complete control of their data, including the ability to delete it or request details of how it is used at any time. The site advertises free and flexible plans and mentions an early-access waitlist, which means the product is still building out its user base.

**Pricing & Plans:** Cokeep advertises free and flexible plans for different reading and learning habits, and its homepage mentions a waitlist for launch access with exclusive discounts. No specific plan prices are published on the homepage.

- **Save from anywhere:** Bookmark articles, videos and links from across the web into a single, searchable library.
- **Content chunking:** Break lengthy articles and videos into smaller sections so you can absorb key points without the overwhelm.
- **AI summaries and auto-tagging:** Get instant summaries of what you saved, with automatic tags that keep the library organised and searchable.
- **Community discovery:** Explore curated content shared by the Cokeep community and swap insights with friends or teammates.
- **Data ownership controls:** Account authentication plus the ability to manage, delete or query your data at any time.

**Strengths:** Addresses the real problem with save-it-later tools, which is that saved content is rarely revisited; Automatic summarisation and tagging cut down on manual library upkeep; Chunking turns long articles and videos into content you can actually finish; Explicit data-ownership and deletion controls address a common privacy concern

**Limitations:** Early-stage product with a relatively small stated user base, so the community library is still thin; No published plan prices on the homepage, making budget hard to judge in advance; Chunking and auto-tagging quality ultimately depends on how well the AI parses long-form video and dense text

[Profile (Markdown)](https://openaitools.app/tool/cokeep.md)

## Frequently Asked Questions

### How do ChatPDF and Cokeep compare in monthly traffic?

ChatPDF has 1,044,477 monthly visits, while Cokeep has 1,359. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

ChatPDF has a month-over-month growth rate of -3.7%; Cokeep has -6.3%.

### How does pricing compare?

ChatPDF: Freemium. Freemium. A free tier lets you analyze a limited number of documents per day, and the core chat experience works without creating an account. ChatPDF Plus is a paid subscription that adds unlimited document analysis and advanced features — check the site for current plan details and regional pricing. Cokeep: Freemium. Cokeep advertises free and flexible plans for different reading and learning habits, and its homepage mentions a waitlist for launch access with exclusive discounts. No specific plan prices are published on the homepage.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | [.md](https://openaitools.app/tool/claude-2.md) |
| 2 | [SciSpace](https://openaitools.app/tool/scispace) | 4,464,111 | +8.6% | Freemium | AI research platform for reading, understanding and writing scientific papers | [.md](https://openaitools.app/tool/scispace.md) |
| 3 | [PDFgear](https://openaitools.app/tool/pdfgear) | 2,845,280 | -3.4% | Free | Completely free PDF reading and editing tool with AI assistant, though basic compared to dedicated platforms. | [.md](https://openaitools.app/tool/pdfgear.md) |
| 4 | [LightPDF](https://openaitools.app/tool/lightpdf-com) | 1,742,568 | -15.3% | Freemium | Free AI-powered PDF editor, converter and reader for every device | [.md](https://openaitools.app/tool/lightpdf-com.md) |
| 5 | [UPDF AI](https://openaitools.app/tool/updf-ai) | 1,050,387 | -7.2% | Freemium, Free Trial, Paid | Combines full desktop PDF editing software with AI chat, but requires software installation for full features. | [.md](https://openaitools.app/tool/updf-ai.md) |
| 6 | [ima.copilot](https://openaitools.app/tool/ima-copilot) | 915,949 | -14.8% | Freemium | Tencent's AI knowledge steward for searching, reading, writing, and managing your own knowledge base. | [.md](https://openaitools.app/tool/ima-copilot.md) |
| 7 | [Linnk.AI](https://openaitools.app/tool/linnk-ai) | 451,514 | +12.4% | Freemium | Translate, summarize, and understand documents in 154 languages without losing the layout | [.md](https://openaitools.app/tool/linnk-ai.md) |
| 8 | [Summarizer.org](https://openaitools.app/tool/summarizer-org) | 398,509 | +1.3% | Freemium | Free AI Summarizer for text, articles, URLs and images | [.md](https://openaitools.app/tool/summarizer-org.md) |
| 9 | [PDF.ai](https://openaitools.app/tool/pdf-ai) | 387,819 | -5.5% | Freemium, Free Trial | Includes robust developer APIs for custom document workflows, but free tier limits document page counts. | [.md](https://openaitools.app/tool/pdf-ai.md) |
| 10 | [Scholarcy](https://openaitools.app/tool/scholarcy) | 195,058 | +4.6% | Freemium | Turn research papers and articles into interactive summary flashcards | [.md](https://openaitools.app/tool/scholarcy.md) |

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Source: https://openaitools.app/compare/chatpdf-vs-cokeep

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