What Letter
Snap and translate documents quickly, available in many languages.
At a glance
Starts at
$1.99 USD per month
Price as published by the vendor, September 2026.
Free tier
Yes, limited
Platforms
Web
Best for
Immigrant families and seniors
Not for
Highly technical document translators
4.0 out of 5
Scored by Alex after real useOur verdict
WhatLetter excels at translating personal and travel-related documents but can struggle with highly technical or formal texts.
✓What it does well
Quick translationsSnap, scan, and get instant insights into any document.
30+ language supportTranslate between over 30 languages, supporting a global audience.
Privacy-focusedDoes not save images or chat history on servers; ensures data security locally.
✕Where it falls short
Limited to three free document translations per monthFree plan only allows up to three documents and chat sessions each month.
Voice typing unavailableNo voice typing or Telegram integration in the current offerings.
Doesn't translate all formal texts wellMay struggle with highly technical, academic, or legal documents that require precise translation.
Key features
Document scanningSnap a photo to scan any document for quick insights.
Chatbot assistanceEngage with an AI chatbot in your preferred language for guided translations and explanations.
No image or chat history storageImages are not saved on servers; chat histories are kept only for reference and privacy.
Mobile browser support onlyCurrently, the service is web-based and works in both desktop and mobile browsers.