
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

Cokeep records 1,359 monthly visits with -6.3% month-over-month growth and Freemium pricing. LightPDF records 1,742,568 monthly visits with -15.3% growth and Freemium pricing.
AI knowledge keeper that chunks, summarises and organises what you read
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | cokeep.me | lightpdf.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 1.36K (1,359) | 1.74M (1,742,568) |
| MoM Traffic Delta | -92 (-6.3%) |
| -314.58K (-15.3%) |
| Primary Market & Share | 🇻🇳 Vietnam (100%) | 🇮🇳 India (24.9%) |
|---|
| Direct Visits / mo | 570 | 442.07K |
|---|
| User Rating | 3.9 | 4.2 |
|---|
| Supported Platforms | Website | Website |
|---|
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.

Free AI-powered PDF editor, converter and reader for every device
Upload a PDF and ask questions in natural language, follow up on details and see which passages the answers came from. A separate chat mode works with YouTube videos.
Translate whole documents, including scanned and image-based PDFs, into 20+ languages while keeping the original formatting and layout intact.
Convert invoices, receipts, bank statements and purchase orders into structured, editable Excel files automatically.
Edit text and images, OCR scanned pages, convert to and from Office formats, then merge, split, compress, watermark, sign and annotate.

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
#3
AI research platform for reading, understanding and writing scientific papers
Offers a completely free PDF editing and AI assistant experience, but lacks some of LightPDF's cloud-native collaboration features.
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.

Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.

Provides a more polished cross-platform desktop PDF editing suite, but requires a paid upgrade for full AI features.
Offers a streamlined conversational interface for querying PDFs, but provides fewer document editing and conversion utilities.
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
Free AI Summarizer for text, articles, URLs and images
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
AI research platform for reading, understanding and writing scientific papers
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.
Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.
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
Free AI Summarizer for text, articles, URLs and images