Practical Document Translation Guides | Translate PDF, Excel, Word & Subtitles Cleanly

A collection of practical Doc2Lang guides. Learn how to translate PDF, Excel, Word, PowerPoint, and subtitles without breaking layout or formatting, with examples using real files. Solve common headaches like broken tables, lost macros, and inconsistent terminology — organized by goal.

Technical Articles

Translate Excel to English: the Same Quotation in 8 Languages

How do you translate an Excel spreadsheet to English without wrecking it? We took one quotation, built it in 8 languages, translated all of them to English, and unzipped every file to check what survived. Merged cells, live formulas, currency formats and the embedded logo all came through intact.

Technical Articles

Translate Multiple Files at Once with Doc2Lang

Put your documents in a ZIP and Doc2Lang unpacks it in your browser, so you translate only the files you pick. Steps, supported formats, size limits, and what does not get translated.

Technical Articles

The Complete Guide to PDF Translation: How to Translate a PDF Without Losing the Layout

Why PDF translation breaks formatting, and how AI-powered tools keep the original layout, fonts and tables intact. Includes OCR for scanned files, practical tips and answers to the questions people ask most.

Technical Articles

Best Excel Translation Tools in 2026: 6 Methods Compared

We translated a real Apple 10-Q Excel report into Japanese with six methods, from Excel's built-in translator to ChatGPT, Claude, Google, DeepL and Doc2Lang. Here are the real results, with screenshots.

Technical Articles

Translate an Excel Financial Report into Any Language with AI (Charts, Formulas and Layout Intact)

See how to translate an Excel file into French, German, Spanish, Japanese, Korean and 100+ more languages with Doc2Lang, keeping the layout, formulas and charts, step by step with screenshots.

Technical Articles

How to Translate a Resume to Japanese — A Real AI Before/After Test

We translated a real-format US resume from English to Japanese with AI and reviewed every detail — job titles, school names, dates, layout. Full results.

Technical Articles

Translate Excel Files with Python and ChatGPT (2026 Guide)

Step-by-step tutorial with complete working code: translate Excel files with openpyxl and the OpenAI API without breaking formulas or formatting.

Technical Articles

Interactive PDF & Subtitle Translator Demo: See Format-Preserving Translation in Action

Try our AI PDF translator and subtitle translator with no signup. See how Doc2Lang preserves fonts, tables, layouts, and timing codes across 100+ languages.

Technical Articles

Automating PDF Document Translation with Python and ChatGPT API

Automating PDF Document Translation with Python and ChatGPT API

Technical Articles

Translate Excel to Spanish: Embrace Efficiency with AI Technology

Master the art of translating Excel to Spanish with Doc2Lang. Experience unparalleled accuracy and ease with our AI-driven technology, designed for businesses seeking efficient, secure document translation solutions.

Technical Articles

PDF Translator: A GPT that Translates PDFs

PDF Translator: A GPT that Translates PDFs

Technical Articles

2024 Guide to Translating PDFs: Google, DeepL & ChatGPT's Doc2Lang.com

2024 Guide to Translating PDFs: Google, DeepL & ChatGPT's Doc2Lang.com

Technical Articles

Easy with a Smartphone! Expand Your World with the Latest Technology for Translating Text from Photos

Simple on Smartphones! Latest Technology for Translating Text from Photos

Technical Articles

Enhancing Translation Quality with ChatGPT: A User-Friendly Guide

Enhancing Translation Quality with ChatGPT: A User-Friendly Guide

Technical Articles

Top 3 Best Online Document Translation Services

The 3 Best Online Document Translators

Technical Articles

Automating Word Document Translation with Python and ChatGPT

Automating Word Document Translation with Python and ChatGPT