Understand Your Document.
Deliver It Intact.

AI reads your entire document first — domain, terminology, structure — then translates section by section, and returns a format-perfect file.

No credit card required

Powered by GeminiFormat-preserved130+ languages
PDFreport.pdf

Annual Report 2024

Revenue grew by 23% year-over-year, driven primarily by expansion into Southeast Asian markets...

RegionRevenue
Asia Pacific$12.4M
Europe$8.7M
PDFreport_translated.pdf

2024 年度报告

营收同比增长 23%,主要得益于东南亚市场的拓展...

区域营收
亚太地区$12.4M
欧洲$8.7M

Format preserved · Tables intact · Terminology consistent

Read First. Translate Right.

Three steps. Zero context lost. Every document.

01

Understand

AI builds a document profile — domain, terminology, audience — before translating a single word.

DomainAudience
02

Translate

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

SourceRevenueRevenueTranslated收入收入
03

Deliver

Your translated file keeps the exact same layout, tables, and formatting. Open it and use it — no cleanup needed.

PDFLangToPDF

Six formats. Each handled natively.

Upload your file, get it back translated — same format, ready to use.

PDF

PDF

Preserve the original layout, or export a reading-friendly Word. Both modes available.

DOCX

Word

Fonts, bold, italic, images — edited in-place, paragraph by paragraph.

XLSX

Excel

Formulas skipped. Merged cells kept. Only translatable text is touched.

PPTX

PowerPoint

Slide text replaced in-place. Layout and SmartArt stay intact.

Also supports: Markdown, Plain Text

Try it with your own documents

The best way to evaluate LangTo is with your real files. Start free — no credit card required.

Files auto-deleted

After processing completes

Up to 1,000 pages per file

Large documents handled