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
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Readable
✓ verifiedPaid
Instant English-to-Japanese PDF translation preserving layout; useful focused tool.
87K visits/mo177 saves
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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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Chatbit
✓ verifiedFreemium
No-code builder for website AI chatbots trained on your content, with lead capture and customizable widgets, free to start.
2.5K visits/mo43K saves
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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
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Audeus
✓ verifiedFreemium
Text-to-speech reader that turns PDFs, docs, and web pages into natural audio with highlighting, on web and mobile.
54K visits/mo21K saves
Pricing
Pro Standard (Yearly): 800 /month
Pro Premium (Yearly): 4,000 /month
for Business: Contact for Pricing
Hobby: $0
Pro: $10/mo
Ultimate: $20/user/mo
Enterprise: $30/user/mo
No public pricing
No public pricing
Free: $0/mo (limited uploads and Pro voices)
Pro: $9.92/mo (billed annually)
Core features
- ✦Instant PDF translation
- ✦Layout preservation
- ✦Side-by-side English and Japanese viewing
- ✦Chrome extension for one-click translation
- ✦Translation without DeepL subscription (optional)
- ✦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)
- ✦Train on website, files, and Q&A
- ✦No-code, embeddable chat widget
- ✦Lead capture (name, email, phone)
- ✦Customizable appearance and personality
- ✦Multiple AI models (GPT-4o, GPT-4.1)
- ✦Guardrails and domain restrictions
- ✦Multilingual support
- ✦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
- ✦Natural AI voices for reading aloud
- ✦Supports PDF, Word, EPUB, and web pages
- ✦Synchronized text highlighting
- ✦Highlighting and annotation tools
- ✦Adjustable playback speed up to 3.5x
- ✦Apps for web, iOS, Android, and Chrome
Use cases
- →Translating English research papers into Japanese
- →Translating technical specifications from English to Japanese
- →Quickly understanding English documents in Japanese
- →Analyzing legal documents
- →Summarizing financial reports
- →Extracting key information from books
- →Reviewing scientific papers
- →Understanding user manuals
- →Creating employee training materials
- →Answering visitor questions from your content
- →Capturing and delivering website leads
- →Ecommerce support and knowledge-base bots
- →Reading foreign-language websites and papers
- →Translating PDFs while keeping formatting
- →Watching videos with bilingual subtitles
- →Translating images and comics
- →Listen to study material and documents
- →Boost focus for auditory learners
- →Read web articles hands-free
- →Get through reading backlog while multitasking
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