Upload the document
Use a photo or PDF of the letter, bill, notice, or form.
Official documents, translated into action
LetterON
Turn official letters into clear next steps.
Upload a photo or PDF. LetterON reads the document, translates the important parts, and shows the deadline, amount, sender, and action you should verify.
No credit card required. You control whether the original image is kept.
Live product-style preview
Bürgeramt
Bitte reichen Sie die fehlende Meldebescheinigung ein.
Frist: 18. September 2026
Aktenzeichen: ST-2049
Detected: German
Translated to: 简体中文
Municipal notice
Key details found
Required actionSubmit the missing registration certificate.
Summary
The office is missing one document for your registration file.
Suggested next step
Find the certificate, verify the reference number, and submit it through an accepted channel.
Deadline2026-09-18
Amount0
Assurance maladie
Votre attestation doit être renouvelée.
Réponse demandée avant le 04.10.2026
Numéro de contrat: H-8210
Detected: French
Translated to: 简体中文
Insurance letter
Key details found
Required actionRenew your insurance certificate before the deadline.
Summary
Your insurer needs an updated certificate to keep the file complete.
Suggested next step
Check the requested certificate and send the current version to the insurer.
Deadline2026-10-04
Amount0
電気料金のお知らせ
電気料金のお知らせ
お支払い期限: 2026年9月2日
請求金額: 4,280円
Detected: Japanese
Translated to: 简体中文
Utility bill
Key details found
Required actionPay the electricity bill by the listed due date.
Summary
This is a utility bill with a payment deadline and amount.
Suggested next step
Verify the customer number and amount against the original before paying.
Deadline2026-09-02
AmountJPY 4,280
15 interface languages
Original and translation side by side
Low-confidence results are flagged
You control original-image retention
From confusing document to usable checklist
The landing page uses synthetic examples only: a German municipal notice, a French insurance letter, and a Japanese utility bill.
Get the core facts first
LetterON extracts the action, due date, amount, sender, and summary before showing long text.
Verify before acting
Complex layouts or uncertain results are marked so you know where to check the original.
Built for anxious admin moments
The interface focuses on what the user needs to do, not on raw OCR text.
Action card
Required action, Deadline, Amount
Original and translation
Original and translation side by side
Sender history
Summary
Precision review
Low-confidence results are flagged
Letter detail
See the decision-making information before the long translation.
A real product screenshot here should show the title, required action, due date, amount, summary, and suggested next step together.
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Letter detail page · desktop · recommended 1440 × 900
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Switch from a letter to Sender History · 8–12 seconds · recommended 1200 × 800
Context over time
Understand the sender, not just one letter.
Sender History groups previous letters and open actions from the same organization, helping users see the bigger picture.
Previous letters together
Open actions stay visible
Context across time
After the analysis
Keep every letter moving.
Search the archive, keep deadlines visible, and share a letter with people you trust when you need help.
Find it again
Search original text and translations, then filter by sender, category, or status.
Track what is open
Keep due dates and completion status attached to the letter.
Ask someone you trust
Share through Trusted Circle when family, friends, or an adviser should review it with you.
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Complete upload-to-action walkthrough · 30–45 seconds · 16:9 · no narration required
Privacy without vague claims
LetterON lets users choose whether original images are retained. Privacy mode removes cloud originals after successful analysis; extracted text and action data remain available until the letter or account is deleted.
Read the privacy policyFAQ
Is this legal advice?
No. LetterON helps you understand and organize official documents. You should verify important actions against the original or a qualified professional.
Which languages are supported?
The app interface supports 15 languages. Translations use your preferred language setting.
How does free usage work?
During the free beta, welcome users receive weekly points. A basic letter analysis currently costs 5 points, so users can start without a card.
What documents work best?
Plain letters, bills, insurance notices, municipal letters, and many forms. Dense tables or scanned layouts may be flagged for extra verification.
What happens to my document?
You choose whether the original image is retained. In privacy mode, the cloud original is removed after successful analysis. Extracted text and action data remain until you delete the letter or your account.
Start with one letter.
Create an account, upload a document, and see the action card first.
Start managing letters free