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
StatusIncluded
PlanPlus
100+ languages
50+ file formats
Up to 1GB file size
OCR for scanned files and images
Preview before processing
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 processing
Check the file, language pair, status, and subscription coverage before starting.
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 start
Review the file details, confirm your subscription coverage, and start the translation.
4
Download the result
Get the translated file when processing is complete.
Subscriptions and billing
Simple monthly plans
Choose a subscription and get document translation, OCR, audio processing, batch translation, and other paid actions included in one monthly plan.
Current subscription
Plus$39/mo
Monthly plan billing
Included document volume
OCR and audio by plan
Batch translation by plan
Invoices and saved payment methods
Team billing for organizations
Starter
25 documents / month
$9/mo
For occasional personal documents, forms, and study files.
Plus
120 documents / month
$39/mo
For regular translation across documents, scans, and plain text.
Pro
400 documents / month
$99/mo
For larger workloads, research files, audio, and batch translation.
Team
Custom monthly volume
Custom
For organizations that need seats, 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 usage
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 plan usage, 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.