OmniDocPDF only translates a few pages, split first and then merge
Long PDFs often only require translation of a few pages. This article explains how to first use the split function to take out the required pages, and then merge them back in the original page order after translation, and gives the inspection method for each step.
Key points of this article
- When only a few pages are needed, it is easier to split the pages and then translate them than to translate the entire document, and it is also easier to check.
- Write down the page number range before splitting and keep the original file for later comparison and redoing.
- When merging the translated text back into the original text, it should be arranged in page order, with the first half of the original text, then the translated text, and finally the second half of the original text.
- After merging, check whether the total number of pages, page number sequence, tables and formulas are complete. Important content still needs to be checked manually.
Many people search for "how to translate the entire PDF document", but the document at hand does not require the entire document to be translated. In an 80-page report, only pages 12 to 20 may be used; in a textbook, only one chapter may be needed. If the entire document is handed over to the translator every time, the waiting time will be long and it will be troublesome to check.
This article is written for readers who need to "translate only a few pages". The method is three steps: first use split to take out the required page, translate this part, and then use merge to put the translation back to the corresponding position of the original text. After reading, you will know when it is appropriate to do this, how to operate each step, and how to check whether the result is reliable after merging.
I only want to translate a few pages, what should I do? One sentence conclusion
When you only need a part of the page, split the target page first, and then merge it in the original order after translation; when you need to read the entire page, it is more worry-free to translate the entire page directly. Which one to choose, see the table below.
| your situation | Recommended practices | reason |
|---|---|---|
| Just one or two chapters, no need to read the rest | Split out chapter pages and translate them separately | The file is small, the wait is short, and the translation only needs to be checked for a short section |
| Want a complete bilingual reading version | Complete translation, select bilingual comparison | The original text and the translated text correspond page by page and do not need to be merged. |
| The middle pages of the original text should be replaced with the translated text | Split, translate and merge in page order | Leave the remaining pages as they are and insert the translation back into its original position. |
| Not sure whether to scan the copy | Try selecting a piece of text first and then decide | Most of the texts that can be selected are digital versions; most of the texts that cannot be selected are scanned copies, and translations can also be uploaded. |
| There are many pages and need to be revised repeatedly | Split into several segments and process them one by one. | If you make a mistake in a single paragraph, you only need to redo the paragraph without affecting the entire text. |
Before you start: Confirm these points first
Take a few minutes to confirm the following items before starting to avoid rework.
- Confirm page range. Find the starting and ending pages in the original document and write down a range like "pages 12 to 20". Note that the page numbers displayed by PDF readers are sometimes inconsistent with the page numbers printed on the page, and the physical page order of the file shall prevail.
- Keep the original file. Splitting will generate new files, do not overwrite the original files. It is needed to provide the remaining pages when merging, and if deleted, it must be obtained again.
- Determine file type. Open the PDF and try to select a piece of text with the mouse. If it can be selected, it means it is a digital version; if it cannot be selected, it is probably a scanned copy. Translations can be uploaded for both types, but the scanned translation needs to be compared with the original page paragraph by paragraph.
- Think about the output format. If you want to insert the original text later, you can use "Translation Only" for the translation; if it is just for reading, it is more intuitive to choose "Bilingual Comparison", and both are acceptable.
- Time to prepare for verification. Machine translation inevitably contains omissions or inappropriate wording, especially professional terms and numbers. Read the translation at least once before merging it, and please manually check important content.
Steps to split, translate and merge in OmniDoc
Take "Translating pages 12 to 20" as an example.
- Open the original file and confirm the page number. Open the original PDF in the desktop client's PDF editor, browse page by page, and confirm that pages 12 to 20 are indeed the content to be translated.
- Use the split function to extract the target page. In page operations, select Split to save pages 12 to 20 separately as a new PDF, with file names as "Original File Name_12-20" for easy identification.
- Upload the split file translation. Upload this new PDF on omnidoc.top. Scanned versions can also be uploaded directly.
- Choose the output method. If you need to read in a parallel language, choose bilingual reading; When you need to revert to the original text, select translation only.
- Download the translation. After the translation is complete, download the result and check whether the file opens normally and whether the page count is 9.
- Prepare the merging sequence. In the editor, arrange the three parts in order: original text pages 1 to 11, translation page 9, and original text page 21 to the end.
- Use the merge feature to generate complete files. Add each file in the order above, merge into a new PDF, and save it under the new file name, without overwriting the original file.
- Read through and check. Flip through the merged files from the beginning to confirm the translation is positioned correctly and the transitions are natural.
After completion, check each item one by one
After merging is complete, don't rush to share or submit; check item by item in the table below.
| Inspection items | How to see it | What should you do if there's a problem? |
|---|---|---|
| Total pages | The original page count minus the number of replaced pages, plus the translated page count, should be consistent | If the numbers are incorrect, return to the merge step to confirm whether a segment was omitted or overadded |
| Page order | Turn pages between pages 11 and 12, and between pages 20 and 21 to check for coherence | If the page order is misaligned, adjust the file order and merge again |
| Tables and formulas | Check whether the number of tables, columns, formulas, and images in the translation are complete | If missing, return to the original file for comparison; if necessary, retranslate the section separately |
| Numbers and proper nouns | Check whether the date, amount, model, and name match the original text | Revising each item against the original text can easily cause misunderstandings |
| Text readability | Check for typos or punctuation issues in the scanned translation | Retranslate the paragraph, or directly modify the paragraph text in the editor |
📊 Core Comparison
The entire translation and the split translation differ in the scenarios, and their respective advantages and disadvantages are as follows.
| Method | Suitable situation | Notes |
|---|---|---|
| Entire translation | A complete bilingual version is required, or the document has few pages | Waiting time increases with the number of pages; The verification scope is broad, requiring reading the entire text |
| Translate after splitting | You only need a few pages or chapters, or you may need to revisit the original text | There are two extra steps: splitting and merging, so special attention must be paid to page order and total page count |
If you only need to read a few pages temporarily, breaking them down is much easier; If you want to deliver a complete document, translate the entire document and then verify it, with fewer steps.
🎯 Which method suits you?
- Research Readers: Often only the methods or experimental sections of the paper are needed, separated into sections for separate translation, and then combined into complete literature notes.
- Readers handling contracts: In a 12-page contract, there may only be attachments that need to be translated. Split the attachments for translation, keep the original text in the main text, and avoid version confusion in the entire translation.
- For readers of long textbooks: Reading only one chapter at a time, splitting chapters into separate translations is easier to manage than completing the entire book at once.
❓ Frequently Asked Questions (FAQ)
1. Will splitting change the layout of the original text?
Splitting means extracting pages by page, keeping the page content as is. The split file is still PDF, but it is still recommended to open it and check again to confirm that no pages are missing.
2. What should I do if the page order gets messed up during merging?
In the editor, rearrange the order of each file according to the original page number, then merge it again. Keeping intermediate files at every step can reduce the workload of redos.
3. Can scanned PDFs be handled this way?
Yes, you can. The scanned version can also be split and uploaded as a translation. Since the original page is an image, it is recommended to merge and compare each page to confirm that the translation matches the original content one-to-one.
4. Can the translation be directly replaced with the original text?
Please save a copy of the original file before replacement. After replacement, reading and checking are still required. Machine translation may have omissions or mistranslations, and manual verification should be made before official use.
📝 Summary
Only translate a few pages of the PDF; the core is to split first, then translate, and finally merge in page order. Each step retains the original file, and after merging, checks page number, page number, and key numbers. This way, reliable results can be obtained even without the need for a full translation.
