Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
✕
15Minutes
✓ verifiedPaid
Library of short book summaries, analyses, and audiobooks spanning thousands of nonfiction and fiction titles.
8.8K visits/mo533 saves
✕
AI PDF Summarizer
✓ verifiedFree trial
Online PDF suite for summarizing, editing, converting, and signing.
12M visits/mo8.7K saves
✕
Briefy
✓ verifiedFreemium
Browser and mobile AI summarizer that turns articles, videos and PDFs into structured notes saved to a knowledge base.
26K visits/mo
✕
Summarize.ing
✓ verifiedFreemium
YouTube summarizer turning video links into digests with highlights and mind maps, useful for students and researchers.
98K visits/mo5.9K saves
✕
ChatDOC
✓ verifiedFree
AI assistant extracting and summarizing document info; real adoption.
90K visits/mo15K saves
Pricing
No public pricing
No public pricing
No public pricing
Pro: $7.49/mo (50 summaries/day, videos under 60 min)
Premium: $15.7/mo (100 summaries/day, videos under 120 min)
No public pricing
Core features
- ✦Short book summaries and analysis
- ✦Summary PDFs and audiobooks
- ✦Personal library to save titles
- ✦Extensive category browsing
- ✦Coverage of thousands of books
- ✦AI-powered PDF summarization
- ✦PDF editing and signing
- ✦PDF conversion to various formats
- ✦Form filling and annotation
- ✦One-click AI summaries of varied content
- ✦Multiple views: overview, table, mind map, timeline
- ✦Knowledge base to save and search briefs
- ✦Ask questions about saved content
- ✦Multilingual summaries and translation
- ✦Chrome and Safari/iOS extensions
- ✦Paste a YouTube link to get a summary in under a minute
- ✦Segmented, timestamp-aware breakdowns of long videos
- ✦Auto-generated mind maps of video content
- ✦Key concept and keyword extraction
- ✦Auto-generated Q&A pairs for review
- ✦Choice of underlying AI model (Claude 3.5 Sonnet, GPT-4)
- ✦Chat with documents
- ✦Instant answers with cited sources
- ✦AI analysis of selected texts/tables
- ✦Query across multiple documents
- ✦Supports various file formats
Use cases
- →Learning a book's key ideas in minutes
- →Listening to book summaries on the go
- →Deciding which full books to read
- →Studying nonfiction concepts efficiently
- →Summarizing research papers and books
- →Editing and signing contracts
- →Converting PDFs to Word or JPG
- →Filling out tax and official forms
- →Summarizing articles and research papers
- →Digesting long videos and podcasts
- →Building a personal knowledge base
- →Skimming and replying to email threads
- →Reviewing lecture or tutorial videos without watching in full
- →Extracting key takeaways from long interviews or talks
- →Building study notes from educational YouTube content
- →Quickly deciding whether a video is worth watching
- →Summarizing long documents
- →Explaining complex concepts
- →Finding key information in seconds
- →Turbocharging research
Visit