Liner focuses on trustworthy, cited answers.
Key capabilities
- Cited answers.
- File uploads and PDF Q&A.
- Highlighting.
- Research agents.
- Browser extension.
Who it's for
Liner is a research-oriented AI document assistant.
AI Document Assistant · Freemium
Liner
Liner is an AI research assistant that answers with cited, reliable sources, lets you upload PDFs and documents to ask questions and highlight key points, and runs research agents.
- ai document assistant
- liner
- ai research
- citations
- chat with pdf
- highlighting
- students
- academic
- browser extension
- agents
Updated Oct 14, 2026
Pricing Freemium
Rating No reviews yet
Standout Features
What makes Liner stand out
- Citations on every answer
- Highlighter
- Free plan
Key Features
What’s in the toolkit?
- 01
Cited answers
- 02
Document and PDF uploads
- 03
Highlights
- 04
Research agents
- 05
Major AI models
- 06
Browser extension
What is Liner?
AI agents for professionals to search, research papers and write with sources
- Category
- AI Document Assistant
- Pricing
- Freemium
- Company
- Liner
- Platform Access
- 2 features
Use Cases
Where teams put it to work
- 01
Academic research
- 02
Reading papers
Workflow
How to use Liner?
- 01
Sign up.
- 02
Upload a document.
- 03
Ask questions.
- 04
Check citations.
Pros & Cons
Is Liner right for you?
Pros
2- Reliable citations
- Good for students
Cons
2- Uploads limited on free plan
- Credits system
Pricing
Pricing for Liner
Freemium
- Free – $0: unlimited advanced search, 1 upload/day, answers with ads.
- Pro – $17.99/month ($14.99 billed annually): 1,000 agent credits, major AI models, ad-free.
- Max – $35.99/month ($29.99 billed annually): 2,500 agent credits, unlimited uploads.
- Team – $26.99/seat/month; Enterprise custom.
Who is it for
Who is Liner for?
Students.Researchers.
Reviews
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