SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
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.
AI knowledge keeper that chunks, summarises and organises what you read
| Dimension / Metric | ||
|---|---|---|
| Official Domain | chatpdf.com | cokeep.me |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 1.04M (1,044,477) | 1.36K (1,359) |
| MoM Traffic Delta | -40.47K (-3.7%) | -92 (-6.3%) |
| Primary Market & Share | 🇺🇸 United States (9.6%) | 🇻🇳 Vietnam (100%) |
| Direct Visits / mo | 457.79K | 570 |
| User Rating | 4.2 | 3.9 |
| Supported Platforms | Website | Website |
Chat with any PDF, video, or website and get cited answers in seconds
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.
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.
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.
Generate flashcards and slide decks from your material, and use the built-in AI writer and AI detector for drafting and checking academic text.
AI knowledge keeper that chunks, summarises and organises what you read
Bookmark articles, videos and links from across the web into a single, searchable library.
Break lengthy articles and videos into smaller sections so you can absorb key points without the overwhelm.
Get instant summaries of what you saved, with automatic tags that keep the library organised and searchable.
Explore curated content shared by the Cokeep community and swap insights with friends or teammates.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

AI research platform for reading, understanding and writing scientific papers
AI research platform for reading, understanding and writing scientific papers
Free / Open-sourceCompletely free PDF reading and editing tool with AI assistant, though basic compared to dedicated platforms.

Free AI-powered PDF editor, converter and reader for every device
Free AI-powered PDF editor, converter and reader for every device

Combines full desktop PDF editing software with AI chat, but requires software installation for full features.
Tencent's AI knowledge steward for searching, reading, writing, and managing your own knowledge base.
Tencent's AI knowledge steward for searching, reading, writing, and managing your own knowledge base.

Translate, summarize, and understand documents in 154 languages without losing the layout
Translate, summarize, and understand documents in 154 languages without losing the layout
Free AI Summarizer for text, articles, URLs and images
Free AI Summarizer for text, articles, URLs and images
Includes robust developer APIs for custom document workflows, but free tier limits document page counts.

Turn research papers and articles into interactive summary flashcards
Turn research papers and articles into interactive summary flashcards

Your files, notes and meetings in one drive — with an AI that knows all of it.
Your files, notes and meetings in one drive — with an AI that knows all of it.
An AI notes app that organizes your knowledge for you
An AI notes app that organizes your knowledge for you