How to convert Word to PDF in batches

Key points of this article

Organize the folders before batch conversion and separate the source files and output files to avoid overwriting the same names.
First use one or two typical documents to test transfer, confirm that the number of pages, fonts and revision marks are normal, and then run it in full.
When the number is small, it is more controllable to save them one by one. When the number is large, use a loop script to ensure one-to-one correspondence between file names.
After conversion, check the number of files, page number, layout and text layer one by one, and re-transmit failed files individually.
Choose local conversion when contracts or sensitive data are involved, and check the size restrictions and privacy statements of online sites first.

Dozens of Word contracts, reports or courseware need to be converted into PDF, and then opened one by one and then saved separately, which is slow and easy to miss. Many people search for the batch operation of converting Word to PDF. What they really want to know are three things: how to complete the conversion in one go, how to match the file names after the conversion, and how to check if there are any problems with the results.

This article is written for those who have to deliver documents, organize information, or prepare attachments. After reading, you will get a set of processes that you can follow: organize the files first, then select batch mode, and use a fixed list to check each PDF one by one after conversion.

What I'm talking about here is a general method that doesn't depend on a certain software. OmniDoc's desktop client can also come in handy after conversion, such as merging multiple PDFs into one and comparing the differences between two versions of the document. The text will indicate which step it is used for.

How to convert dozens of Word copies to PDF without making them messy? One sentence conclusion

If there are few files, save them one by one. If there are many files and need to be repeated, use a loop script to run them once. If sensitive content is involved, only use local conversion. Either way, try transferring a few copies first and then check the results with the checklist.

your situation	Recommended practices	reason
Within a dozen copies, transfer once in a while	Save as PDF one by one	No need to learn new methods, every result can be seen directly
Dozens to hundreds of copies, repeated regularly	Loop conversion using macros or scripts in office software	Once the operation is completed, the file name and output path can be controlled uniformly.
Documents containing contracts, identities or internal company information	Only use local conversion, do not upload to online website	Files do not leave your computer, reducing privacy risks
After the transfer, it will be combined into one file.	After conversion, merge in PDF editor	Conversion and merging are done separately, making it easy to locate errors.

Before you start: Confirm these points first

Whether the source file is .docx and can be opened normally. Old-fashioned .doc or damaged files often report errors and are interrupted during the batch process. Open them one by one to take a look, and single out the abnormal files for separate processing.
Whether the fonts are complete. When a font is missing, the PDF is displayed with an alternative font, and paragraph lengths and pagination may vary. For documents involving special fonts, it is recommended to install the fonts on this machine first.
Output location and file name rules. If batch conversion is output to the same folder, files with the same name will overwrite each other. Create a special output folder in advance and agree that the file name should be consistent with the source file.
Revisions, comments and hidden text. Unaccepted track changes, comments, and hidden text in Word may be exported together. Before converting a contract or formal manuscript, you should confirm whether the content should appear in the PDF.
Whether the document involves privacy. Local conversion is preferred for contracts, personal information, and internal financial data. Online websites will upload files to other people's servers, so read the privacy statement before using them.

Steps to batch convert Word to PDF using loop script

The following steps are applicable to most office software. The specific operation depends on the software you have.

Put all files to be transferred into the same source folder. Subfolders are processed separately to avoid path confusion and make it easier to check the quantity later.
Create a new output folder. Do not mix it with the source file, the conversion result is clear at a glance.
Manually convert a typical document as a comparison. Select a file with tables, pictures and headers, save it as PDF, note the number of pages and layout, and use it later to determine whether the batch results are consistent.
Write or record a loop script. Let it loop through the .docx files in the source folder, saving them as PDF one by one to the output folder. Readers who cannot write scripts can use the macro function that comes with office software, or use the save one by one method below.
Make the output file name correspond to the source file one-to-one. The output name in the script is set to "original file name plus .pdf". When checking, you only need to compare the file name lists of the two folders.
Try running three to five documents first. Observe whether there are pop-up window interruptions, whether existing files are overwritten, and whether the number of pages is consistent with the control sample. If there are any problems, fix the script before continuing.
Run all and record failed items. After the run is completed, record the file names that did not generate PDF, which will be the basis for subsequent retransmissions.
Repair the failed files individually and then redirect them. The common reasons are that the file is damaged, occupied or the font is missing. After repair, just re-transmit these copies.

After the conversion is completed, if you need to synthesize multiple PDF into one, you can use the merge function in the page operation in the PDF editor of the OmniDoc desktop client to import and export according to the file name order.

# check item by item after completion

Batch results can not only look at the number of files, it is recommended to check item by item according to the list below.

Check item	What do you think?	What if there's a problem?
Number of Fil	Is the number of output PDF the same as the number of source Word	Redirect the missing file separately against the failure list
Number of pages	Compare with the number of pages displayed in the Word status bar	Extra blank pages are usually caused by page breaks or paragraph settings. Go back to Word and redirect.
Layout	Spot check whether the tables, pictures, headers and footers are misplaced	Check if the font is missing and redirect it after installation
Text layer	Try to select a paragraph of text in PDF, which indicates that there is a text layer.	If you can't select most of the pictures, you need to OCR,OCR the results first and check them manually.
Revision and annotations	See if a revision mark or comment box appears	Accept revisions in Word before conversion, delete comments and redirect them
File name	Each PDF can find the corresponding source file.	Batch rename according to the list, or modify the naming rules in the script
Key content	Check numbers, dates, signature pages, page numbers	Manual comparison of source files item by item, machine conversion results can not replace manual inspection

If the same document has been converted twice, such as re-export after modification, you can use the PDF comparison feature of the OmniDoc desktop client to compare the two PDF to quickly find out the location of the changes and save the time of page-by-page browsing.

# Core comparison

Method	An appropriate situation	What you need to pay attention to.
Save as PDF one by one	The number of documents is small and needs to be confirmed one by one.	The speed is slow, and it is easy to leave out files when they are too long.
Loop scripts or macros	There are many files and need to be executed repeatedly on a regular basis	It takes time to set up for the first time. Be sure to run first.
Online conversion website	Non-sensitive files for temporary use	Pay attention to the file size limit, watermarking, privacy policy, typesetting should be spot checked
System virtual PDF printer	Do not want to install additional tools	Usually you need to print one by one, and the file names should be kept consistent manually.

# frequently asked questions (FAQ)

1. Is it safe to transfer online batch Word to PDF?

Online websites will upload files to the server, contracts, identity materials and other sensitive content is not recommended. Before making a choice, look at the privacy instructions, file length and size restrictions, and confirm whether watermarks will be added.

2. Will the catalog and page number change after batch conversion?

If the directory is automatically generated by Word, it is recommended to update the directory and domain before conversion; manually entered directories will not automatically correspond to the new page number. Different font, line spacing or paper settings may also change the paging and need to be sampled one by one.

3. Can the transferred PDF still change the text?

PDF exported directly from Word usually retains the text layer, and paragraph text can be modified in the PDF editor. The scanned PDF is a picture, which needs to be identified by OCR first, and the recognition result also needs to be checked manually.

4. Can batch conversion retain the original file name?

Sure. In the script, you can set the output name to the original file name plus .pdf, and manually keep it consistent when saving one by one. After the naming is unified, it will be much easier to check and file.

# Summary

The key to batch operation from Word to PDF is to sort out the files, then try to run the samples, and finally check the results with the list. Save one by one if the quantity is small, use a circular script if the quantity is large, and only do local conversion if sensitive data is involved. Following this process not only saves repetitive work, but also makes every PDF stand up to inspection.

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