Top 11 Best PDF Translators That You Must Know in 2024

By Monica | Follow | Updated on April 19, 2024 | Français Deutsch

Introduction:

There are countless PDF documents in a variety of languages that are created and shared every day. As a language learner or international trader, you may often receive PDF files in foreign languages. However, it's difficult to understand these PDFs thoroughly. When encountering these situations, a PDF translator is urgently needed.

Translation is crucial for efficient communication between cultures. A PDF language translator can help translate a PDF document in a foreign language into the target language. This enables you to better understand the file and eliminate the language gap. Keep reading. To help you translate PDF documents, we’ve used and selected the top 11 best PDF translators that work.

A Comparison Table of the 11 Best PDF Translator Software

Here is a comparison chart for the top 11 best PDF translator software. You can choose any of these apps to translate your PDF documents easily when reading.

#1. SwifDoo PDF

If you find difficulty reading a PDF file written in a foreign language and are looking for software to translate PDF documents, SwifDoo PDF can be your best way to go. SwifDoo PDF has released built-in features: Quick Translation and Document Translation, allowing you to translate your PDF documents instantly while viewing them.

Serving as a free PDF reader with translator, SwifDoo PDF is a comprehensive PDF tool that opens PDF files without a hassle and translates PDFs into 100+ languages. Many users have given positive reviews to this feature because SwifDoo PDF makes it easier to understand the content in their language.

SwifDoo PDF: The Best PDF Translator Free

• A real PDF document translator
• Translate PDF files in any language for free
• High-quality translation guarantee

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More importantly, SwifDoo PDF is indeed the first professional PDF translator that allows you to translate PDF documents while reading. It’s a unique feature that only SwifDoo PDF possesses so far. Usually, other online translators require uploading PDF files first and then outputting the translation results. However, SwifDoo PDF allows you to select any sentence or word that you don’t understand and tap to translate it into any language directly when reading.

Let's see how to use SwifDoo PDF to translate PDF documents:

Step 1. Free download SwifDoo PDF and open a PDF document with this PDF translator app.

Step 2. Click Home in the top navigation bar, then select Quick Translation. If you need to translate the whole PDF file, select Document Translation instead.

Step 3. Tap on the translated text and select a target language. When finished, the translated content will be displayed in a dialogue box.

It only takes seconds for SwifDoo PDF to translate a PDF document. What’s more, SwifDoo PDF cooperates with Google Translate, so the translation keeps pace with that of Google Translate and supports all languages that Google Translate does. With this Quick Translation feature, readers won’t have any language barriers when reading a PDF file that is written in an unfamiliar language.

#2. Google Translate

Google Translate is one of the most popular online translators that most people use daily. It was launched in April 2006 and developed for over a decade. Google Translate supports 133 languages in total. In addition, it served as a statistical machine translation site from April 2006 to November 2016, and now it’s a neural machine translation site.

Google Translate supports translating multiple forms of text and media, including written words, websites, documents, speeches, images, handwritten texts (on mobile devices), bilingual conversations, and transcriptions.

More importantly, Google Translate serves as a free online PDF text translator. You don’t need to pay for any services. It also offers mobile versions, so you can download it from App Store or Google Play. To translate PDFs, you can upload your PDFs to the source language area, and it will translate the document automatically.

#3. DeepL

DeepL is a good alternative to Google Translate. It’s available on Windows, Mac, ChromeOS, iPhone, iPad, and Android, as well as providing online tools and browser extensions, helping translate file anywhere, anytime. It has developed advanced AI technology to meet perfect translation accuracy.

When translating PDF files in DeepL, simply upload your document and select the target language, it will start translating and downloading the final file automatically. The original format and style will remain unchanged in the translated file. Similarly, to enjoy unlimited translation services, pro plans are required.

#4. DocTranslator

As its name suggests, DocTranslator was designed for translating documents. It supports translating almost all the major Office document formats, including .doc, .ppt, .xls, .odt, .pdf, .txt, etc. And all translation tasks can be finished without downloading a third-party program, making it one of the best PDF translator online.

The DocTranslator won’t change the delicate layout of your original document. All translated text will be re-inserted into the document to preserve its layout. In addition, it requires no copying or pasting operation because all the text content will be inserted exactly where it belongs.

DocTranslator supports 109 languages in total now, and the number is growing gradually. Besides those common languages we often use daily, DocTranslator also supports right-to-left (RTL) languages, such as Arabic, Hebrew, Urdu, and more.

However, despite all its excellent qualities, DocTranslator has one flaw. That is, the website contains an excessive number of commercial ads, resulting in a less pleasant user experience.

#5. Steps

Steps is also a dedicated document translator that also serves as an app pdf translator, and it can be used to translate websites, videos, software, and eLearning. Steps doesn’t use machine translation, but instead hire professional and native human translators in every local country to ensure the translation quality.

Unlike those three free PDF translator tools mentioned above, Steps requires payments when translating PDF files. Moreover, it’s relatively expensive if you want to translate large PDF files. Steps offers two pricing plans. We will take translating 1,000 words as an example.

• Standard: $90-$200 / 1,000 words
• Marketing & Legal/Medical: $120-$240 / 1,000 words

Putting aside its price, the Steps app is indeed a reliable PDF translator when manipulating important documents. Steps sets high standards for hiring translators to ensure all translations are of high quality. If you need your PDF to be translated into a more professional and localized language, try Steps! It won’t let you down!

#6. DeftPDF

DeftPDF is an all-in-one online PDF tool, that enables you to edit, translate, combine, convert PDF files with ease, etc., over 40 solutions are available. What’s more, you can also download DeftPDF on your mobile phone in Google Play (Android) and App Store (iOS) to gain the best PDF translator app.

DeftPDF can instantly translate PDF, Word, PowerPoint, Excel, TXT, and many other files. Notice that DeftPDF isn’t a free PDF translator. Users can translate files with up to five pages for free, but anything beyond that requires payment.

One positive aspect is that DeftPDF integrates with Dropbox and Google Drive, making it much easier to upload PDF files from these two services. Additionally, it supports a wide variety of languages, fully satisfying your needs. Furthermore, to protect your privacy, DeftPDF will delete all of your files 5 hours after editing.

Admittedly, DeftPDF, like DocTranslator, shows a lot of animated pop-up ads on its pages, which can be distracting, hinder your browsing, and occasionally be rather loud!

#7. Fiverr

Fiverr is one of the largest online marketplaces for freelancers. You can find almost all the digital services and get solutions to your problems. Fiverr offers many job opportunities for people who are working at home.

Meanwhile, Fiverr also serves as PDF translator software because you can always get an ideal translator to translate your PDF files. On Fiverr, all translators are real people, which is more reliable and flexible than machine translation. And the translation will be good enough for professional usage.

To translate PDF files on Fiverr, you can communicate with the translator directly to make sure he/she translates files according to your requirements. In addition, you can also require the translator to rehandle your files if you’re not satisfied.

Despite all the positive aspects we’ve mentioned, there’s also one flaw when using Fiverr. It’s not a free PDF translator. All tasks on Fiverr are processed with payments. Usually, it charges by the word and starts at $5. The more words your PDFs contain, the more you’ll pay.

#8. Mate Translate

Mate Translate is a dedicated file translator tool that is available on iPhone, iPad, macOS, and all major browsers. On Apple products, there are downloading apps prepared on the App Store. However, if you want to use Mate Translate on a browser, you need to install it from the extension store because it doesn't offer any online tool and only acts as an extension. The reason why we put Mate Translate into our best PDF translator list is that you can open PDF files on browsers and thus use this tool to translate them.

Mate Translate supports 103 languages in total, covering from English to Zulu. In addition, what makes this PDF translator differ from others most is that it will speak all translations to you directly with perfect accent and pronunciation, thus you can make the PDF read aloud to you in a familiar language. And it also displays intuitive phonetics. With its aid, you can even learn foreign languages by yourself.

To translate PDF files with Mate Translate, simply install its extension and pin it to your extension bar, then open a PDF file in your browser, copy the text you're confused about and paste it to the translate area in Mate Translate, and then choose your targeted language. In fact, suppose that you are browsing a page and encountering a foreign language, you can also select it and ask for help from Mate Translate.

#9. GroupDocs

GroupDocs is a collection of free online document manipulation apps that support viewing, converting, comparing, editing, and translating popular files such as Office documents, CAD drawings, PDFs, etc. GroupDocs enables you to effortlessly translate many file formats, including text, Word, Excel, PowerPoint, Markdown, handwritten text, and more. It also supports all popular languages, though not as much as that of Google Translate. In addition to helping translate local files, GroupDocs also allows you to paste a PDF URL for efficient translation.

Speaking of translating PDF with GroupDocs, it uses powerful machine learning algorithms and sophisticated neural networks to guarantee translation quality. Moreover, it not only translates the text, but also metadata, structure, and layout of a PDF file. The translated PDF file can also be converted to other editable file formats hassle-free.

#10. ChatGPT

In addition to all the PDF translators we've introduced before, the AI PDF translator is also becoming a new trend in 2023 because of the popularity of the AI industry. ChatGPT has been a big bang for the world since its inception. It acts like a real man who can talk with you no matter what topics you focus on. And you may assign tasks to ChatGPT with good results received.

One of the most outstanding features of ChatGPT is that it can translate text content for you with accurate translation, that's how it serves as the best AI PDF translator. To translate a PDF file with ChatGPT, you need to copy the text in the PDF file paste it to ChatGPT, and let it translate to the target language for you. If you're unsatisfied with the translation result, you may let ChatGPT revise the work as per your requirements.

However, the drawbacks of using an AI PDF translator are also quite clear:

• ChatGPT isn't a real file translator, you cannot upload a file to ChatGPT or let it translate the whole file.
• You need to copy and paste the text content step by step, which is time-consuming and full of trouble.
• Some PDF files are image-only PDFs, in which the text is unrecognizable and cannot be copied.
• ChatGPT may get crashed for all kinds of reasons.

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#11. Smartcat

Smartcat is another popular AI file translator that uses machine translation engines. When using this online PDF translator, you can effortlessly translate over 50 file formats into 280+ languages. With the help of Smartcat website translator, it’s also easy to translate and localize a website.

The AI translator of Smartcat unlocks the power of GPT-4 and provides accurate translation results for any file type. It will detect the original language of your file, and all you need to do is to select a target language and download the translated PDF file manually. Before downloading, you can preview your file, the original sentences and translated ones are corresponding respectively. You may edit it and make sure the translation is accurate. However, Smartcat has limited words for free users, and extra Smartwords require an upgrade.

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Final Words

A PDF document with important information covered but written in a foreign language is hard to read and may cause some misunderstandings. However, after reading this post, you can choose a PDF translator according to your requirements. These 11 best PDF translators mentioned above all have their unique features, and we’ve offered a thorough explanation of every tool for a comprehensive comparison. Go pick one and use it now! And don't forget SwifDoo PDF, the real PDF translator you can quickly get by clicking the following download button.