PDF Translator
PDF Translator is a free online PDF translation tool that supports over 100 languages, preserves the original layout, and can recognize text in scanned documents. It is suitable for cross-lingual reading of papers, textbooks and technical manuals.
Updated: 2026-10-26
What is PDF Translator?
PDF Translator is an online PDF translation tool provided by PDFTranslator.org. It features free usage and no registration required. You can start translating right after uploading the file and selecting the source and target languages. The official website states that the translated version will retain the original layout, tables, images, and fonts, supporting over 100 languages. When the translated text is compared side by side with the original, it is almost indistinguishable from having been translated. In addition to regular text-based PDFs, it also handles scanned documents and long files with hundreds of pages. The official website also provides comparison examples of the original and translated texts, allowing you to evaluate the quality before uploading.
Who is it for?
- Graduate students and researchers: Translate English papers while preserving the layout around formulas for easy citation and comparison.
- Training and compliance for multinational teams: Translate technical manuals and employee handbooks into the local language while retaining diagrams.
- International students and self-learners: Translate entire chapters of textbooks and take notes by comparing with the original layout.
- Japanese book and archive organizers: Process vertically arranged scanned documents while maintaining the flow of columns and the order of pages without disorder.
- Occasional users: No account registration required; just drag and drop the file to get the results.
Key features
6Format Retention
The official statement says that the layout, tables, images, and fonts of the original document will be fully preserved, making the translated text look just like the original file without the need for reformatting.
100+ languages
It supports major languages such as English, Spanish, Chinese, Japanese, French, German, Korean, Vietnamese, as well as less common dialects.
Scan Recognition
The built-in OCR can directly extract text from image-based PDFs for translation, making scanned documents editable and searchable.
Vertical Text Documents
For vertical layout materials such as Japanese books and archives, it preserves the reading order, column flow, spacing and page structure.
Long Documents & Concurrency
Maximum single file size is 20MB, up to 3 concurrent tasks, and the free quota is 600 pages per calendar month.
Privacy Protection
Source files and translated content are transmitted via SSL. The official states that they are automatically deleted within 24 hours, and download links are also valid for 24 hours; translation records from the last 24 hours are only stored in the local browser.
How to use PDF Translator
- Just drag and drop to upload, no registration required.
- check the remaining pages before you start, and the 600-page quota resets every calendar month.
- For professional documents, select the corresponding field in the "Translation Style" to ensure more accurate terminology than the general mode.
- For scanned documents, go through the OCR process.
- the clearer the image and the smaller the tilt, the more stable the recognition.
- The translation download link expires after 24 hours, so save the result locally as soon as you get it.
- If you need to translate Word documents, switch to the DOCX tool on the same website, which also preserves the layout and is free to use.
- there are also corresponding free small tools for page splitting, merging, and compression.
Traffic & popularity
Data month Sep 2026
PDF Translator receives about 26.6K visits per month and ranks #1,388,445 worldwide.
Monthly visits
12 monthsTraffic sources
- Direct46.8%
- Search43.2%
- Referrals4.8%
- Social2.1%
- Mail1.6%
- Other1.5%
Top countries
- China14.0%
- United States12.5%
- Guatemala7.5%
- Vietnam4.5%
- Brazil4.0%
Estimated from third-party traffic data.
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