AI-Powered Reading Companion

No more struggling with cluttered PDFs and endless copy-pasting.

Redia seamlessly transforms complex papers into clear summaries, highlights, or diagrams.

It reads as if it were written just for you.

Continuous Reading Filter

No need to manually select paragraphs and paste them into AI with instructions. Just scroll down, and complex text is automatically transformed into fluent, easy-to-read content in your preferred style.

The persistent cognitive dissonance encountered during the interpretation of multi-page academic PDFs often results in significant intellectual fatigue.

Traditional machine translation paradigms frequently fail to preserve the nuanced semantic architecture inherent in specialized scientific discourse.

Comprehend vast literature instantly and elevate your research quality.

Accelerate your literature review process from days to minutes with AI-powered contextual understanding.

The integration of domain-specific terminology recognition ensures accurate preservation of technical nomenclature.

Transform complex academic syntax into clear native-language expression.

The persistent cognitive dissonance encountered during the interpretation of multi-page academic PDFs often results in significant intellectual fatigue.

Traditional machine translation paradigms frequently fail to preserve the nuanced semantic architecture inherent in specialized scientific discourse.

Comprehend vast literature instantly and elevate your research quality.

Accelerate your literature review process from days to minutes with AI-powered contextual understanding.

The integration of domain-specific terminology recognition ensures accurate preservation of technical nomenclature.

Transform complex academic syntax into clear native-language expression.

The persistent cognitive dissonance encountered during the interpretation of multi-page academic PDFs often results in significant intellectual fatigue.

Traditional machine translation paradigms frequently fail to preserve the nuanced semantic architecture inherent in specialized scientific discourse.

Comprehend vast literature instantly and elevate your research quality.

Accelerate your literature review process from days to minutes with AI-powered contextual understanding.

The integration of domain-specific terminology recognition ensures accurate preservation of technical nomenclature.

Transform complex academic syntax into clear native-language expression.

讀論文,不該是苦難。 Redia 與你一起, 一眼看透學術本質。

精準捕捉學術語境, 不再只看表面字義, 深度還原研究細節。

膨大な文献資料を瞬時に理解し、研究の質を向上させる。

縮短閱讀時間, 跨越語言的阻礙, 讓全球知識觸手可及。

術語精準識別, 確保論文關鍵詞, 呈現最高的一致性。

学術論文の複雑な構文を、明快な母語表現へと変換する。

讀論文,不該是苦難。 Redia 與你一起, 一眼看透學術本質。

精準捕捉學術語境, 不再只看表面字義, 深度還原研究細節。

膨大な文献資料を瞬時に理解し、研究の質を向上させる。

縮短閱讀時間, 跨越語言的阻礙, 讓全球知識觸手可及。

術語精準識別, 確保論文關鍵詞, 呈現最高的一致性。

学術論文の複雑な構文を、明快な母語表現へと変換する。

讀論文,不該是苦難。 Redia 與你一起, 一眼看透學術本質。

精準捕捉學術語境, 不再只看表面字義, 深度還原研究細節。

膨大な文献資料を瞬時に理解し、研究の質を向上させる。

縮短閱讀時間, 跨越語言的阻礙, 讓全球知識觸手可及。

術語精準識別, 確保論文關鍵詞, 呈現最高的一致性。

学術論文の複雑な構文を、明快な母語表現へと変換する。

讓學習變得更簡單。

learning made easy.

論文を正確な母語表現へと変換。

Transform papers into accurate native-language expression.

言語の壁を越えて世界を知る。

Cross language barriers and explore global knowledge.

提升你的研究品質。

Boost your research quality.

Line-by-Line Alignment

Say goodbye to worries about AI mistranslation. Line-level precise alignment ensures every data point and argument is fully traceable.

REDIA

Attention Is All You Need

Ashish Vaswani、Noam Shazeer、Niki Parmar、Jakob Uszkoreit...

摘要

主流序列轉換模型多依賴複雜的循環或卷積神經網路(包含編碼器與解碼器)。我們提出一個更簡潔的架構 Transformer,完全以注意力機制為核心,並在機器翻譯任務中取得更佳效果。

1 引言:循環神經網路(特別是 LSTM 與 GRU)長期在語言建模與機器翻譯中表現強勢,但其序列計算方式限制了訓練並行度與效率。

循環模型通常依輸入/輸出符號位置逐步計算,隱狀態需依賴上一時間步,導致計算鏈長且難以在長序列情境下高效擴展。

這種高度序列化的特性讓訓練在長文本下更受記憶體與速度限制;相比之下,注意力機制可提供更高的並行效率與更佳的可擴展性。

Free Papers from Clutter

Extract PDF content and reorganize it into a comfortable single-column article. Font size, line height, and width are all up to you.

Evidence-Based AI Discussion

Discuss and ask questions about your documents with state-of-the-art AI models. Every answer comes with source links — click to jump directly to the original passage. No more searching for a needle in a haystack.

Q: How does Redia improve learning and understanding?

With high-precision AI translation, users can understand subtle context in foreign literature in their native language.Source
Long and cluttered academic papers are reformatted into a clean single-column layout, making key arguments easier to grasp.Source
Attention Is All You Need

This paper introduces the Transformer architecture, based entirely on attention mechanisms, achieving state-of-the-art performance in machine translation.

Zoom in Zoom out

Seamlessly switch between full-book summaries, chapter outlines, and the original text. Get the big picture first, then zoom into the details.

Transformer uses self-attention,
capturing dependencies across any positions in a sequence,
and this parallel design greatly improves training efficiency.

Visualize Your Knowledge

Text too abstract? Let AI analyze your selected content and automatically generate visuals to help you understand.

Text should adapt to people,
not the other way around.

Plans & Pricing

Choose the plan that best fits your reading and translation workflow.

Guest

Free access to core translation and reading guidance

$0/month

Process 5 papers or documents, then 1 free per day
PDF limit: 50 pages per document
Basic AI reading guidance, translation, and summaries
50 conversations per day
3 knowledge visualizations

Master

Advanced plan designed for deep translation reading

$8/month

No charges during trial. We will notify you 3 days before billing.

Most accurate AI for Q&A (currently using Gemini 3 Pro)
High-precision translation with hover-to-compare original text
Unlimited paper and document processing
Support for long PDFs (up to 1,000 pages)
Unlimited custom text filters and personalized glossaries
20 knowledge visualizations per month

Einstein

Beta
$20/month

Coming Soon

Unlimited power for knowledge workers and researchers

FAQ

What file formats does Redia support?

Redia currently supports the following formats:

  • PDF documents: Papers, books, reports, and more
  • EPUB e-books: Common e-book format
  • Web articles: Simply enter a URL to capture content
How accurate is the translation?

Redia uses state-of-the-art AI language models for translation, delivering high accuracy.

More importantly, we provide line-by-line alignment, allowing you to verify the original text against the translation at any time to ensure accuracy of critical information.

Can I use it offline?

Redia requires an internet connection for AI translation and analysis features.

However, once a document has been processed, you can read the processed content even with a poor connection.

Are there educational discounts?

We are currently planning educational discount programs. Stay tuned!

If you are a student or educator, feel free to join our Discord community for the latest updates.

Who is the Master plan for?

If you experience any of the following frustrations when reading foreign-language literature, the Master plan is designed for you:

  • Tired of switching between windows: Are you fed up with constantly copying, pasting, and switching between your PDF reader and web translation/ChatGPT, feeling like your reading flow is always interrupted?
  • Want more control over translations: Is web translation quality inconsistent, and rewriting prompts every time you want ChatGPT to translate in a specific style (e.g., "academic" or "concise") too tedious?
  • Worried about translation accuracy: For critical terms and sentences, do you always want to quickly cross-reference the original text to ensure the AI hasn't "over-interpreted" or mistranslated?

Redia Master solves these problems right in the reading interface. We provide a unified, efficient bilingual reading environment. You can save your preferred translation styles as custom filters and apply them with one click.

The upcoming sentence-by-sentence alignment feature will give you even more confidence in every translated line.

How is Redia different from pasting an article into ChatGPT?

Great question — this gets to the core advantage of our architecture.

When you paste a long document directly into a conversational AI, it often unconsciously shortens or summarizes the content to fit a single response, even if you ask it not to. This can result in incomplete translations. Moreover, the longer the text processed at once, the more likely the AI is to make contextual errors, affecting accuracy.

Redia fundamentally solves this problem. Instead of feeding the entire article to the AI at once, we first understand the full context, then process it sentence by sentence with precision. This ensures two things:

  1. No content reduction: Your translation is a 100% faithful, complete representation of the original — nothing is lost.
  2. Higher accuracy: By working with smaller processing units, the AI can focus better on contextual details, dramatically improving translation accuracy and fluency.

In short, ChatGPT is like a generalist who helps occasionally, while Redia is a professional tool purpose-built for deep, long-form translation reading.

Can I cancel anytime after upgrading?
Yes. After upgrading, you'll be billed monthly. You can cancel anytime in Settings, and you won't be charged for the next billing cycle.
What payment methods are supported?
We currently support international credit cards (Visa, Mastercard, JCB) via Stripe. If you need other payment methods, please contact us.
Who can I contact if I have issues?
For any billing or product questions, feel free to ask in our Discord community. Our team will assist you as soon as possible.
I previously subscribed with the early bird offer but didn't renew. Will I still get the early bird price if I subscribe again?
All users who have previously participated in the early bird program will continue to enjoy early bird pricing in the future.