Translate PDF Files to Any Language Without Losing Formatting

Online PDF translator that keeps layout, charts, images, and fonts. Translate PDFs into 100+ languages in minutes

ai pdf translator

Format-Preserving PDF Translation Tool

Translate PDF files while keeping every visual element in place

PDF is the most common format for sharing business reports, contracts, manuals, and presentations. But PDFs are different from editable Word files: text, fonts, and graphics cannot be changed easily. That makes them hard to translate. Most translation tools only pull out the text and return a broken file. Our online PDF translator solves that problem by analyzing the structure of each page before translation begins. The AI reads coordinates for every text box, image, table cell, and chart label. Then it translates the content using Large Language Models trained on professional documents. The result is a translated PDF file that mirrors the original-same fonts, same column widths, same page breaks. It works for long, multi-page reports and technical PDFs with embedded data. All files are processed on EU secure servers. The service follows GDPR rules, so it is suitable for sensitive contracts, financial reports, and other confidential documents.

best pdf translator with layout preservation

How it Works

Three steps to translate PDF files online

Upload

Drag and drop the PDF file into the online PDF translator. Native PDFs are supported, including multi-page reports, contracts, brochures, and technical manuals in any source language.

Translate

Choose the target language from 100+ options. The AI PDF-translation engine analyzes a document's structure, extracts text while preserving its coordinates, performs neural machine translation, and then reconstructs the page geometry.

Download

Receive the translated PDF file in minutes. The output matches the source document pixel-for-pixel, with all visual elements anchored to their original locations. Forms, headers, footers, and page numbers remain functional.

Features

Advanced capabilities for PDF language translation

pdf translation app

Structure Recognition

Enterprise Security

Batch Processing

Multi-Language Output

Embedded Font Preservation

Neural Translation Models

What makes this the best PDF translator?

translate pdf while keeping formatting

Visual Structure Recognition

PDFs store content as drawing instructions rather than structured text. Our system parses those instructions to identify text blocks, images, and graphical elements as separate objects. Translation happens at the object level, so a chart legend stays inside the chart boundary, and footer text remains at the page bottom even when translated phrases change length.

Supports 100+ Languages

Translate PDF French to English, Chinese to Spanish, or Arabic to German. The system supports major world languages plus regional dialects. Businesses can localize content for any market without hiring separate translators for each language pair.

Multi-Column and Complex Layouts

Academic papers, magazines, and brochures often use columns and text wrapped around images. Simple tools that only pull out text can read the columns in the wrong order and mix up sentences. Our PDF language translator checks how close text blocks are and the direction the text flows to find the correct reading order. This keeps paragraphs in the right sequence and in their original columns.

Encrypts Sensitive Files

Confidential contracts, medical records, and proprietary research need protection. All uploads are encrypted during transfer and storage. The service complies with GDPR and deletes files after processing to prevent data leaks.

Font Subsetting and Embedding

When a PDF uses proprietary or uncommon fonts, replacing text can cause font mismatches. The tool identifies embedded fonts in the source, maps them to similar typefaces in the target language, and re-embeds font subsets in the translated file. This preserves typographic style of the original document.

Contextual AI Translation

Generic machine translation treats each sentence independently, missing document-wide themes and recurring terms. The AI PDF translator processes pages in batches, building a glossary of key terms from the first pass, then applying consistent translations throughout. Technical acronyms, product names, and domain terminology remain uniform from the first page to the last.

Common scenarios for PDF translation

Legal agreements, purchase orders, and compliance documents often arrive as PDFs. Signing a contract in a foreign language without understanding it creates risk. Translating the PDF file preserves signatures, stamps, and legal formatting.

The online PDF translator maintains legal document structure: signature lines stay at the bottom, exhibits remain attached, and cross-references update automatically. When translating a 40-page partnership agreement from English to Spanish, the tool preserves section hierarchies and legal formatting conventions, producing a file ready for international execution without additional formatting work.

Product brochures, case studies, and sales decks often exist only as PDFs. Translating these files by hand means rebuilding every page in design software. The AI translator eliminates that step by outputting a ready-to-print PDF in the target language.

Marketing teams translate PDF files for trade shows and regional campaigns. A brochure created in English becomes a French version in minutes, with logos, product photos, and brand colors untouched. Print shops receive files that require zero rework.

Academic papers, clinical studies, and white papers are published as PDFs with citations, footnotes, and references. These elements need to stay in place during translation. Researchers can read foreign-language studies without losing track of sources.

Our translation tool finds math symbols and leaves them as they are. It translates captions under figures and keeps each caption in the same place below its image. It also keeps citation numbers the same throughout the document. For example, a 25-page clinical study translated from German to English will keep chemical formulas unchanged and author affiliations in the right places, so the paper can meet journal submission rules on the first try.

online pdf translation use cases

Pricing

Try for free, no credit card required

Lite

$9 / mo
  • 400.000 characters per month
  • Advanced AI translation
  • Layout & formatting preservation
  • 100+ language support
Free Trial

Starter

$19 / mo
  • 1.000.000 characters per month
  • Advanced AI translation
  • Layout & formatting preservation
  • 100+ language support
Free Trial

Business

$49 / mo
  • 3.000.000 characters per month
  • Unlimited users & collaboration
  • All Pro features
  • Priority support
Free Trial
Save 25%

Yearly

$169 / year
  • 12.000.000 characters per year
  • Unlimited users & collaboration
  • All Pro features
  • Priority support
Free Trial

F.A.Q

Frequently Asked Questions

Upload the PDF to the online translator. The system maps every text element to its original coordinates, then replaces the text with translations while keeping images, fonts, and charts in their exact positions. The output PDF looks identical to the source.

Standard tools like Google Translate pull out text as one long line and break the layout. Our AI PDF translator first looks at where text and images sit on the page, finds chart labels and column edges, and then translates each part without changing the page design.

Our tool extracts font information from the source PDF, identifies Unicode mappings for special characters, and re-embeds matching fonts in the output. When exact fonts are unavailable in the target language, it substitutes the closest typeface family and adjusts spacing to maintain line breaks. Mathematical symbols, accented letters, and currency signs transfer correctly across all supported languages.

Files are encrypted during upload and files are processed on EU-based servers under GDPR compliance, meaning no data leaves the jurisdiction without consent. Translated PDFs are stored temporarily for download, then automatically deleted. The AI models do not train on user data, and no human reviews the content unless explicitly requested for quality feedback.

Internal links, external URLs, and PDF bookmarks carry over to the translated file. Bookmark titles get translated while maintaining their hierarchical structure. Hyperlinks remain clickable and point to the same destinations. Form fields-such as fillable text boxes and checkboxes stay interactive, though field labels are translated.

Processing time depends on page complexity. A standard text-heavy 100-page report typically completes in 10-15 minutes. The system processes pages in parallel to minimize wait time.

Secure PDFs with editing restrictions usually allow text extraction, so translation proceeds normally. Files with owner-level encryption that blocks all content access must be decrypted before upload.

The system supports PDFs up to 200 MB and 500 pages per file. Larger documents can be split into sections and processed separately.

Over 100 languages are supported, including English, Spanish, French, German, Chinese, Japanese, Arabic, and Portuguese. Both common and regional languages are available, covering most international business and academic needs.

The AI is trained on business documents, technical manuals, and legal contracts. It understands specialized terminology and context across pages. Accuracy is comparable to professional human translators for most business content, though a quick review is always recommended for critical documents.