How does it clarify jargon in the document?

Click the Upload button on the chat page, select or take a picture of your document, choose your preferred language, and the document translator provides a simplified summary. You can ask further questions as if it were a human.

Which languages does the app support for translation?

You can view the list of supported languages in the chat. If you don't see your language, contact support.

How secure is my document when I upload it?

Your documents are processed locally and never sent to our servers. We ensure the highest level of encryption and security protocols to safeguard your data.

Do you have a mobile app version or is it web-based only?

As of now, WhatLetter is web-based and supported on both desktop and mobile browsers. We are exploring ways to improve and expand.

I have another question

We would love to answer it, contact us via support.

WhatLetter

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Understanding important paperwork made easy!

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Document Analysis Language Translation

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WhatLetter is an AI-powered document translation tool designed to help immigrant families, seniors, and travelers understand important paperwork in their native language. Users can snap a photo of any document—such as medical records, bills, bank statements, legal forms, or complex technical papers—and receive instant insights, summaries, and translations. The tool also features a chatbot that can answer questions and provide explanations in over 30 languages. Privacy is a priority: uploaded images are processed locally and not saved on servers, and chat history is retained only for user reference. WhatLetter offers a free tier with limited usage and a paid subscription (WhatLetter Plus) for unlimited access.

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WhatLetter

1How does it clarify jargon in the document?

2Which languages does the app support for translation?

3How secure is my document when I upload it?

4Do you have a mobile app version or is it web-based only?

5I have another question

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GPT-Live-1 in the API: Build Natural Full-Duplex Voice Agents (What Changed)

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DeepSeek V4.1 Flash Isn't a Point Release: What Changed + the Sept 14 Routing Checklist