Redia

Redia 0.10 - February 2026

Latest Version

Redia goes global! This update brings comprehensive multilingual support, a redesigned interface, and a brand-new reading experience for mobile users.

🌍 Multilingual Support Officially Launched

Three New Languages Fully Supported
- Official launch of Japanese, Simplified Chinese, and English versions
- All interfaces, documents, and content are fully translated

🎨 Major Interface Overhaul

Reading Interface Redesigned
- Significantly optimized interface design for a smoother and more stable reading experience
- Enhanced overall visual consistency and operational fluency

📱 Complete Mobile Redesign

Brand-New Mobile Reading Experience
- Completely redesigned for mobile devices
- Ensures smooth usage and reading on Redia's mobile interface

📝 Notes System

All-New Notes Feature
- Highlight specific passages with a highlighter tool
- Bookmark important passages for easy review anytime

Redia 0.9 - January 2026

This update focuses on a comprehensive upgrade to the reading interface, along with more powerful AI capabilities and a new pricing plan.

✨ Key Highlights

Reading Interface Fully Upgraded
- Redesigned reading interface for a cleaner, more intuitive experience
- Introduced paragraph visualization: select any passage to visualize it instantly

💳 Payment System Update

Annual Plan Now Available
- Updated payment system
- New annual plan offers better value for long-term use

🎨 UI/UX Improvements

Comprehensive adjustments to user interface and experience
Improved operational fluency and visual consistency

🤖 AI Capability Upgrade

Enhanced Agent models for smarter performance
Fixed numerous bugs and issues, improving overall stability

Redia 0.8.1 - November 2025

This update focuses on optimizing the mobile experience, along with new features for the browser extension.

📱 Mobile Optimization

All-New Mobile Toolbar
- Redesigned mobile toolbar for more intuitive operation
- Optimized BookReader layout for a smoother reading experience

🔧 Technical Improvements

Optimized text conversion tools with semantic chunking support
Improved chapter processing performance and word count management
Code cleanup and performance optimization

Redia 0.8.0 - November 2025

We've been committed to lowering the barrier to knowledge acquisition, and this time, we've expanded information sources from "text" to "audio/video." Combined with a completely restructured interface and more powerful AI models, Redia delivers an unprecedented smooth experience.

✨ Key Highlights

Audio/Video to Text is Here: Support videos up to 3 hours long, converting them into in-depth articles with one click
Library Interface Redesigned: Cleaner visuals, more intuitive operations — managing your knowledge base is no longer tedious
AI Core Capabilities Upgraded: More accurate translations and clearer conversation logic

📹 Upload Videos and Audio, Convert Them to Text

We know that much quality knowledge comes from videos, but watching them takes a significant amount of time. Now, Redia saves you that time.

Support for Videos Up to 3 Hours
- Whether it's an in-depth interview, online course, or lengthy lecture — as long as it's within 3 hours, Redia can convert it into a well-structured, readable article

🤖 AI Core Evolution: Smarter and Stronger

Grok-4.1-Fast: Lightning Speed (Default)

All users (including free tier) now default to Grok-4.1-Fast. With its amazing response speed, your daily translations and conversations have near-zero latency, keeping your reading flow uninterrupted.

Gemini-3-Pro: The Most Powerful Brain (Members Only)

Looking for the ultimate in translation quality and deep analysis? Paid users get exclusive access to Gemini-3-Pro — the most powerful model on the market for logical reasoning and language comprehension, capable of precisely handling the most challenging academic texts and complex contexts.

🎨 Interface and Experience Redesign

All-New Library UI

The folder interface is now larger and more direct, making book management more intuitive. Finding books, categorizing, and managing your reading list has become more visual and enjoyable.

(Currently still in preview — we welcome your feedback on the experience)

Redia 0.7.0 - October 2025

✨ New Features

Book-to-Mind-Map Generation
- Automatically convert book content into visual mind maps
- Helps you quickly grasp book structure and key relationships
Multi-Book Comparison
- Compare content across different books side by side
- Ideal for academic research and deep reading

🔧 Improvements

Continued experience optimization
Improved system stability

Redia 0.6.2 - September 26, 2025

This is a UX-focused update.

🔧 Improvements

Fixed many interaction logic issues for a smoother experience (covering sidebar logic, book opening animations, and subtle conversation details)
Optimized mobile and tablet layouts for smoother usage

🐛 Bug Fixes

Fixed EPUB book generation failure issue

Redia 0.6.1 - September 24, 2025

✨ New Features

Sidebar Update
- You can now see all recently read books on the left sidebar
- Quickly switch between multiple books, just like browser tabs
- Drag to reorder, close tabs
- Collapse the sidebar if you don't need it

🔧 Improvements

Upgraded all AI engines — translations are now faster
Conversations are also faster than before

Redia 0.6.0 - September 19, 2025

Previously, you had to wait for AI responses; now, AI completes tasks for you directly.

✨ New Features

Personalized Memory: View, Edit, and Delete
- Teach the AI to remember preferences like "don't translate names, keep them in English" — it will automatically apply them going forward
- Manage your personal memories anytime in the settings page
Book Chat Now "Takes Action"
- Found a translation error? Want to try a new reading style?
- Now just type a command in the chat box at the bottom right, and AI will fix or apply it instantly
Reading Style, Your Way
- Tell the AI "switch to a more casual style" or "keep all proper nouns" and it will do it immediately
All-New "/" Slash Commands for Efficiency
- Type "/" in the chat box to see all available advanced features
- For example, /search original text, /fix typos
- Less typing, more precise commands — maximum efficiency
Cover Generation
- Updated style — more refined and minimalist
Original Text Export
- You can now export the full original text of a book
Text-to-Speech
- New text-to-speech reading feature
Chapter Navigation
- Jump directly from chapter summaries to the corresponding position in the original text
Customer Support
- Open the support widget at the bottom right to ask questions or report issues

🔧 Improvements

Plan Adjustments: Free Plan More Practical, Full Unlock on Upgrade
- To ensure sustainable service, the free plan now includes 1 personalized reading style and 3 memory rules
- Upgrade to Plus to unlock unlimited
- New sign-ups now get a 14-day free full trial
Model Upgrade: Faster, More Stable
- Daily conversations now use a faster model
- Deep thinking tasks use a more stable reasoning model
- Overall experience is smoother and more reliable
Additionally, numerous bug fixes, code refactoring, and system consistency improvements

Redia 0.5.1 - September 6, 2025

✨ New Features

AI Chat Can Generate Visual Charts
- AI conversations can now generate flowcharts and mind maps
- Helps understand complex concepts and relationships

Redia 0.5.0 - September 4, 2025

This is a comprehensive usability update. Previous versions had slow book imports and a rough reading experience — we've fixed a large number of issues and significantly improved the overall experience. Going forward, we'll focus on the core use case: academic paper translation.

🔧 Improvements

Addressing User Feedback: Previously, generation took 3–5 minutes

PDF extraction speed improved 10x to 100x faster, with higher accuracy
Importing a book now generates a summary so you can instantly overview the entire book
Content also streams in real-time below

Filter Translation Quality and Speed Issues

Backend model upgraded — translation, simplification, and chapter restructuring are now more accurate
Added a refresh button below filters — if there's an issue, you can redo it

UI/UX Overlap and Confusion on Half-Screen/Small Screens

Extensive interaction fixes applied

Experience Improvements

Creating a book now generates a basic cover image
Added a button to display the original text alongside for comparison
Right-side chat UI updated

Redia 0.4.6 (Updated: 2025/08/12)

Continued optimization of book restructuring (filter) system, improving accuracy
Continued improvement of conversation accuracy

Redia 0.4.5 (Updated: 2025/08/06)

Optimized PDF import generation flow
Optimized book restructuring (filter) system, significantly improving accuracy
Fixed issues where some PDFs might fail to import

Redia 0.4.4 (Updated: 2025/08/04)

Optimized UX during book generation

Redia 0.4.3 (Updated: 2025/08/03)

Bug fixes
Adjusted homepage display
Planning next steps

Redia 0.4.2 (Updated: 2025/08/02)

Fixed user-reported interaction issues
Optimized book rendering, enabling 1000-page books to be read normally
Continued tuning of book restructuring (filter) system for better stability and speed

Redia 0.4.1 (Updated: 2025/08/01)

Fixed user-reported interaction issues
Tuned book restructuring (filter) system for better stability, speed, and accuracy
Mobile interface updated

Redia 0.4 (Updated: 2025/07/30)

Better book organization: You can now drag to reorder books in your library and create folders to categorize different books
Speed improvement: Opening a book in Redia is now several times faster
EPUB support: You can now upload EPUB files as book sources!
Seamless import experience: You no longer need to wait for book generation — you can start chatting with AI right away
Better translation, simplification, and content restructuring: Quality of all these features has significantly improved over the previous version

Redia 0.3.1 (Updated: 2025/05/27)

Reduced the chance of reading mode failing to apply
AI now predicts and suggests your next most likely question based on the current conversation and book topic
Minor UI/UX adjustments for a more intuitive experience

Redia 0.3 (Updated: 2025/05/26)

Redia Core

You can now ask AI to rewrite book content — truly read in the style you prefer For example, you could say: "Can you rewrite the entire book in a Cthulhu style?"
Experimental progress bar table of contents (disabled by default) You can enable it in Settings > "Layout" > change "Table of Contents Version" to Modern Style It now shows reading progress more intuitively — we're still experimenting with this, so feedback is welcome
Chapter summary preview (disabled by default) Enable it in Settings > "Layout" > toggle on "Show Chapter Summary Preview"
Chat experience improved — both AI responses and interaction flow
Experimental mobile interface — you can now use Redia on your phone! Some features are still in development
New users no longer need to fill out a form to register
Complete code refactoring for better performance

Chrome Extension

Download link: https://chromewebstore.google.com/detail/redia-深度閱讀助手/lmpnkdkjaojfpbagdgoiepoegalghppm
Browser extension now provides a better reading experience for imported websites — many layout and display issues have been resolved
Browser extension now supports direct PDF import
Browser extension now supports direct YouTube video import
Extension UX is now more intuitive, with easy disable on unwanted sites

CardQuill 0.2.3 (Updated: 2025/05/14)

Officially launched "Web Import" feature — directly extract website articles and create books
Added reading interface personalization (adjustable font, spacing, and width)
AI conversation capabilities further enhanced, with higher understanding and answer accuracy
System stability improved, handling large texts more smoothly
Brand restructuring began: CardQuill officially renamed to Redia, continuing development under this name going forward

CardQuill 0.2.2 (Updated: 2025/05/06)

Added precise PDF formula recognition:
- Support for LaTeX, multi-column tables, math and chemistry formula rendering
- Option to "extract formulas more precisely" during import
Fixed display issues when selecting text
Adjusted free user book generation limits
AI conversation quality upgraded again, with more powerful processing logic

CardQuill 0.2.0 (Updated: 2025/04/26)

Chapter outline generation logic completely overhauled — easier to understand book structure
Interface and interaction experience significantly redesigned for better usability
AI response quality upgraded — better performance even with standard models
Preview: website content import coming soon (requires browser extension, documentation in progress)
DM to apply for early access to web import feature

CardQuill 0.1.3 (Updated: 2025/04/01)

Multi-level content display (book summary / chapter summary / original text) launched (experimental preview)
Continued performance optimization
Fixed numerous bugs
UI/UX fine-tuning

CardQuill 0.1.2 (Updated: 2025/03/29)

Improved AI conversation reliability and accuracy
Enhanced book extraction stability
Rendering pipeline optimization
Usage flow experience improvements
Dark mode launched

CardQuill 0.1.1 (Updated: 2025/03/10)

Fixed display issues
Significantly improved system stability
Book extraction failures now show error messages
Fixed numerous bugs
Support for images in filtered text blocks
Added Bionic reading mode (beta)

CardQuill 0.1.0 (Updated: 2025/03/10)

Support for Text and PDF files
Streaming PDF content extraction
Translation and key point summary features
AI conversation feature
Drag to resize interface
Auto-generated table of contents (for PDFs without one)