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PDF.ai
✓ verifiedFreemium
Well-known chat-with-PDF tool for summarizing and extracting; strong traffic.
484K visits/mo2.7K saves
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WorkbookPDF
✓ verifiedPaid
Generates personalized, printable language-learning workbooks with exercises matched to a learner's level and interests.
21K visits/mo
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Immersive Translate
✓ verifiedFreemium
Popular free bilingual AI translator for web pages, PDFs, videos and images, wrapping 20+ engines like DeepL and GPT.
5.4M visits/mo6.7K saves
Pricing
Hobby: $0
Pro: $10/mo
Ultimate: $20/user/mo
Enterprise: $30/user/mo
Free: $0/m
Pro: $12.4/m (Billed annually $149)
7-Day Pass: $19 one-time (unlimited workbooks for 7 days)
30-Day Pass: $29 one-time (unlimited workbooks for 30 days)
180-Day Pass: $99 one-time (unlimited workbooks for 180 days)
No public pricing
Core features
- ✦Chat with PDF documents
- ✦Summarize PDF content
- ✦Extract information from PDFs
- ✦Source citation for answers
- ✦OCR support
- ✦AI Agents for document analysis
- ✦Capture & Ask feature
- ✦Chatbot widget (add-on)
- ✦AI identifies key concepts automatically
- ✦Multiple question types supported
- ✦Adjustable difficulty levels
- ✦Works with any YouTube video — questions match video content
- ✦Handles multi-page documents — extracts text and generates instantly
- ✦Personalized exercises based on chosen topics and interests
- ✦Difficulty levels from A1 (beginner) to C2 (advanced)
- ✦Support for 23 languages
- ✦Multiple exercise types including fill-in-the-blank, translation and word matching
- ✦Illustrated, printable PDF output with answer keys
- ✦Unlimited workbook creation during an active pass
- ✦Optional commercial-rights add-on for resale to students
- ✦Side-by-side bilingual web translation
- ✦Layout-preserving PDF and ePUB translation
- ✦Video subtitle and live-meeting translation
- ✦Image and comic translation
- ✦20+ engines incl. DeepL, GPT, Gemini, DeepSeek
- ✦Browser extensions and iOS/Android apps
Use cases
- →Analyzing legal documents
- →Summarizing financial reports
- →Extracting key information from books
- →Reviewing scientific papers
- →Understanding user manuals
- →Creating employee training materials
- →Educators creating engaging assessments
- →HR professionals generating compliance assessments
- →Publishers scaling content creation efficiently
- →Independent learners wanting topic-specific practice material
- →Language tutors creating custom worksheets for students
- →Teachers needing printable classroom exercises
- →Hobbyists learning a language tied to personal interests
- →Reading foreign-language websites and papers
- →Translating PDFs while keeping formatting
- →Watching videos with bilingual subtitles
- →Translating images and comics
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