Preserve document structure
Translate files while keeping the document clear, readable, and close to the original layout.
Professional document translation workspace
Document translation isn't just for professionals.
Translate PDFs, Word files, images, comics, audio, arXiv papers, and text in a clean workspace designed for fast, reliable document translation.
Translation workspace
New upload
Drag and drop or choose a file
Documents, images, comics, audio, arXiv papers, and plain text.
Source
Russian
Target
English
diploma.jpg
RussianEnglish
StatusNot paid
Cost12 credits
100+ languages
50+ file formats
Up to 1GB file size
OCR for scanned files and images
Preview before payment
Features
A practical workspace for translation jobs
Everything is organized around the file, the language pair, the price, and the finished download.
Many file types in one place
Work with documents, images, comics, audio files, research papers, and plain text.
Preview before payment
Check the file, language pair, status, and price before paying.
OCR for images and scans
Extract text from images, screenshots, and scanned PDFs before translation.
Terminology support
Create and manage glossaries to keep important terms consistent.
For individuals and teams
Use LangOustine for personal documents, study, work, business, and team workflows.
Translation modes
One queue for the files people actually use
Switch between file types without leaving the LangOustine workspace.
Document translation
Upload PDFs, Word files, spreadsheets, presentations, and other everyday documents.
Language pair
Visible before processing
Credit estimate
Visible before processing
Download status
Visible before processing
How it works
From upload to download in four steps
The workflow stays familiar whether you are translating one page or a batch of files.
1
Upload a file
Drag and drop a file or choose it from your device.
2
Choose languages
Select the source and target language.
3
Preview and pay
Review the file details, see the cost, and pay with credits or another available payment method.
4
Download the result
Get the translated file when processing is complete.
Credits and payment
Clear pricing with credits
Buy credits and use them for document translation, OCR, audio processing, batch translation, and other paid actions inside LangOustine.
Current balance
250credits
One-time payments
Payment history
Invoices
Saved payment methods
Subscriptions for frequent users
Team billing for organizations
Starter
100 credits
$9
For occasional personal documents, forms, and study files.
Plus
500 credits
$39
For regular translation across documents, scans, and plain text.
Pro
1,500 credits
$99
For larger workloads, research files, audio, and batch translation.
Team
Shared billing
Custom
For organizations that need shared credits, invoices, and access controls.
Security and privacy
Designed for documents that matter
LangOustine should feel safe for personal files, academic documents, business materials, contracts, and internal company documents.
Control stays visible
The workspace keeps practical controls close to the file: upload status, deletion options, billing records, team access, and API keys.
Secure upload
Private user workspace
File deletion controls
Payment history
Organization access controls
API key management
Organization and API
For teams and developers
LangOustine supports individual users, teams, organizations, and developers who need document translation inside their own workflows.
Team members
Shared credits
Organization billing
Translation history
API keys
Usage statistics
Webhooks
Connect translation to your workflow
Manage API keys, monitor usage, and receive webhook updates when translation jobs finish or require attention.
Explore APIBlog
Guides for everyday document translation
Short, practical notes for students, teams, translators, and people handling documents online.
Preparing scanned documents
What to check before uploading images, screenshots, and scanned PDFs.
Keeping terms consistent
How glossaries help with names, product terms, and repeated phrases.
Planning team translation work
Simple ways to organize credits, history, and shared document queues.
FAQ
Questions before your first upload
A quick overview of formats, payments, teams, API access, and theme support.
LangOustine is designed for common documents, PDFs, Word files, spreadsheets, presentations, images, comics, audio files, text files, and arXiv papers.
Translate your first document with LangOustine.
Upload a file, choose languages, check the price, and download the translated result when it is ready.