Release Notes
Stay up to date with the latest Doc2Lang updates, new features, and improvements.
What's New
- New voice-to-text transcription: convert audio and video files into accurate text transcripts.
- Download original subtitles, new support center, and refreshed header with improved locale switcher.
Audio & Video Transcription
Upload audio or video files and get accurate text transcripts powered by AI. Supports multiple languages and formats.
Original Subtitle Download
Download the original subtitle file from your video translations for editing or archival purposes.
Support Center
New help center with detailed articles covering transcription workflows, credit usage, and feature guides.
Header & UI Refresh
Redesigned site header with improved locale switcher for smoother navigation across languages.
What's New
- New interactive demo page: experience Doc2Lang translation quality instantly with pre-translated sample documents.
- Try PDF and subtitle translation side-by-side without uploading any files.
Interactive Demo Page
A guided 3-step demo lets you select sample documents, choose a target language, and preview translation results instantly — no account or upload required.
Multi-Format Sample Documents
Pre-translated PDF documents and subtitle files available in 8 languages, showcasing real translation quality across different content types.
Side-by-Side Preview
Compare original and translated documents side by side with an integrated viewer for PDFs and a bilingual subtitle table.
What's New
- Major PDF translation engine upgrade: AI-powered layout detection with vertical text support for more accurate formatting.
- New reasoning model integration and redesigned dashboard for a better user experience.
AI Layout Detection for PDF
New AI-driven layout analysis with vertical text support. Translation output now preserves formatting more accurately, including page index retention.
Reasoning Model Integration
Translation engine now leverages reasoning models for improved accuracy on complex texts, delivering higher quality results.
Redesigned Dashboard
Brand new dashboard with improved sidebar navigation and a dedicated mobile user center for better usability on all devices.
PDF Translation Comparison
New comparison page showcasing translation quality side-by-side with DeepL and Google Translate.
What's New
- PDF translation quality upgraded: symbol rendering is more accurate, and bilingual PDFs preserve original visuals better.
- New practical guides are live for PDF translation workflows and custom glossary usage.
Symbol Rendering Upgrade
Added dedicated symbol font support and Dingbats mapping to improve bullets, icons, and special character fidelity in translated PDFs.
Improved Bilingual PDF Output
Bilingual PDFs now preserve more of the original page background and visual context for easier side-by-side reading.
New Translation Guides
Published an IMF financial statement PDF case study and a detailed custom glossary guide, with direct links from the guide page.
What's New
- Added two new Excel tools: Online Excel Viewer and CSV-to-Excel Converter.
- Improved tool guidance and error feedback for a smoother spreadsheet workflow.
Online Excel Viewer
Open .xlsx files directly in the browser while preserving sheet structure and visuals.
CSV-to-Excel Converter
Convert CSV files to .xlsx in one click with cleaner output and easier sharing.
Clearer Viewer Alerts
Improved alert messaging when a sheet cannot be rendered, so users can recover faster.
What's New
- Major PDF translation quality upgrade for layout stability and readability.
- Improved multilingual bold fonts and font-size behavior across complex documents.
Layout Preservation Upgrade
Enhanced layout flow handling to keep translated PDF structure closer to the original.
Multilingual Bold Font Support
Expanded and corrected bold font mappings for CJK and many other writing systems.
Font Size Tuning
Refined font sizing logic to reduce overflow and improve visual consistency.
What's New
- New release notes page to track product updates in one place
- Excel workflow improvements: localized example labels and clearer CSV-to-Excel help content
Release Notes Page
Added a dedicated release notes page with version timeline and key feature highlights.
Localized Example Labels
Excel example headings are now localized as case labels instead of hard-coded numbering.
Localized CSV-to-Excel FAQ
CSV-to-Excel FAQ headings and guidance are now localized for each language.
What's New
- Added document description feature - tell AI about your document context for better translations
- UI improvements to the translating dialog for better user experience
Retranslate Function
Preview and retranslate with different styles until you're satisfied with the result.
Document Description
Add context about your document to help AI understand and translate more accurately.
What's New
- New guide page with comprehensive documentation
- Improved PDF landing page with bilingual examples
Help Center
New guide page covering retranslate, custom prompts, glossary, and exclusion features.
Bilingual PDF Support
PDF translations now support bilingual output format with side-by-side comparison.
Retranslate in History
Retranslated documents now appear correctly in your translation history.
What's New
- Major upgrade to GPT-5.4 for better translation quality
- New Excel features: translate selected ranges and custom glossary
GPT-5.4 Upgrade
Upgraded to the latest GPT-5.4 model for improved translation accuracy and context understanding.
Excel Glossary
Define custom terminology to ensure consistent translation of brand names and technical terms.
Image Translation Fix
Fixed delays in image translation processing for faster turnaround times.
What's New
- Batch translation and single-page PDF translation
Batch Translation
Upload ZIP files with multiple documents and translate them all at once.
Bilingual Output
Get both original and translated text in one document for easy comparison.
Excel Range Selection
Select specific columns, rows, or sheets to translate in Excel files.
What's New
- Free translation tier with daily limits
- Instant preview before purchase for faster quality checks
Free Translation
Try Doc2Lang with one free translation per day - no credit card required.
AI Translation Engine
Powered by the latest GPT models for human-quality translations.
Instant Preview
Preview your translation before purchasing to ensure quality.
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