Understand Your Document. Deliver It Intact.

LangTo reads the whole document first, mapping domain, terminology, and audience, before translating section by section and returning a format-perfect file.

No credit card requiredPowered by Gemini130+ languages
English
PDF source — English
Japanese
PDF translated — Japanese

Read First. Translate Right.

The best translators read the whole text before writing a single word. So does LangTo.

01

Read the whole document first

LangTo builds a document profile of the domain context, key terminology, and target audience before translating a single word.

02

Every chapter carries what came before

Glossary and prior translations flow into every chapter. Terms stay consistent from page 1 to page 100.

03

Your file, exactly as it was

Layout, tables, and formatting are fully preserved. Open it and use it. No cleanup needed.

Five document types. All supported.

PDF, Word, Excel, PowerPoint, and plain text. The formats you use every day, all covered.

PDF

PDF

Choose PDF output to preserve the original layout, or Word output for easier editing. Word output is clean and easy to work with.

DOCX

Word

Paragraph styles, tables, images, and formulas are all preserved. Your document stays the same. Only the language changes.

XLSX

Excel

Formulas are preserved after translation, whether it's a simple form or a large, complex spreadsheet.

PPTX

PowerPoint

Translated text automatically adapts to the slide layout. Font styles and images are preserved throughout.

Your documents deserve this.

300 free credits per month. Upload the file you need translated and try it now.

Files auto-deleted

After processing completes

Up to 1,000 pages per file

Large documents handled