OmniDocHow to merge PDF files on mobile phone
If you want to merge multiple PDFs on your mobile phone, you can use a browser to open the online merging website, or you can go back to your computer and use the desktop client. This article explains how to determine the method, the merging steps, privacy and watermark checks, and how to check the page number and page order after merging.
Key points of this article
- Ordinary files can be opened by a mobile browser on a trusted online merging website, and can be uploaded, sorted, merged, and downloaded without installing software.
- To encrypt sensitive materials such as documents, contracts, and certificates, read the website's file saving and deletion instructions before deciding whether to upload them.
- After merging, first check the total number of pages and the page order at the junction of the files, and then check whether the tables and picture pages are displayed normally.
- When you need to sign, fill out a form, correct wording, or translate, it's often easier to go back to your computer, and the desktop client's PDF editor can complete these operations.
- Text cannot be searched directly after the scans are merged, and the results need to be checked after OCR processing.
When merging PDFs on mobile phones, a common situation is: the received contract is divided into several pages and sent separately, the main text and appendix of the paper are two files, or several pages of materials obtained by taking photos are to be handed over to others together. It is not troublesome to handle when a computer is at hand, but when only a mobile phone is available, searching for "pdf merging mobile software" will often pop up results that require installation, login, and watermarks. I don't know which one to trust.
This article is written for readers who only have mobile phones, or who want to complete the merger on mobile phones first. After reading, you will be able to judge which method to use, know what risks to check when merging online web pages, and how to check the number and order of pages after merging to ensure that there are no gaps in the content.
One thing needs to be explained first: the PDF page operations currently publicly introduced by OmniDoc (including merging, splitting, and adjusting page order) are in the PDF editor of the desktop client. When you open omnidoc.top on your mobile browser, you can confirm the document translation function. Therefore, the following steps for merging on the mobile phone mainly focus on common methods; if you have a computer at hand, you can use the desktop client to complete the same thing as explained at the end of the article.
How to merge pdf on mobile phone? One sentence conclusion
When the file is not sensitive and only contains a few pages of ordinary material, use your mobile browser to open a trusted online merger website directly; when it involves contracts, documents or undisclosed research materials, return to the computer first to process it.
| your situation | Recommended practices | reason |
|---|---|---|
| Only mobile phone, documents are ordinary explanatory materials | Open the online merge website in the mobile browser, upload, sort and download | No need to install software, short steps |
| Only mobile phone, document contains contract or identity information | First read the website’s saving and deletion rules before deciding whether to upload it, otherwise wait for processing on the computer. | Files will leave the phone, and privacy risks must be assessed first |
| The file is a picture obtained by taking a photo | First convert the image to PDF, then merge it, and check whether the image is clear | Image conversion and merging are two steps |
| After merging, you still need to sign, fill in the form or change the wording. | Merge and edit with the OmniDoc desktop client’s PDF editor | Merging and subsequent editing are done within the same tool |
| Many files and pages | Transfer to computer, use desktop client to preview page by page and then merge | The larger screen makes it easier to check page order |
Before you start: Confirm these points first
- whether the file is encrypted : encrypted PDF requires a password to open, and most online merge sites cannot read it. Make sure that every file can be opened properly on your phone, otherwise the merge will fail and may be a waste of time.
- whether the merge order is ready or not : the page number of the merge result is determined by the file order. It is easier to name the file by serial number in the album or file management in advance than to rework after the merger.
- File size : online websites usually have limits on the size of individual files. When the mobile phone network is unstable, large files are uploaded slowly and may fail halfway, so you can try a small file first.
- Privacy and preservation rules : after the file is uploaded, it will stay on the website for a period of time. See if the privacy instructions on the page indicate how long they will be saved and how they will be deleted. Contracts, certificates and unpublished papers are not recommended to be uploaded to websites that you do not understand at will.
- Watermark and typesetting : some free online sites will add watermarks to the output pages, or change fonts and margins. Such changes should be checked page by page after the merger, not just the home page.
# steps to merge pdf with Mobile browser
- Search your mobile browser for "online merge pdf" and choose a website that can confirm the domain name and have a privacy description on the page to open it.
two. Click the upload button to select the PDF files that need to be merged from the phone. If the page supports multiple selections, you can select all at once.
- Check the order of the list of files and drag the files to the correct location when you need to adjust. This step determines the final page number.
- After confirming the correct order, click merge, wait for the processing to be completed, and the results will be displayed on the page.
- Preview the merged file on your phone, turn to the intersection of each original file, and see if both the last page of the previous file and the front page of the latter file are there.
- Download it to the phone, save it to the PDF folder, and then share or print it.
- If the site requires registration or login, only if necessary; after use, if the site provides the option to delete uploaded files, click Delete.
# check item by item after completion
Do not send out the merged documents at a glance. The following items can be checked quickly on your mobile phone.
| Check item | What do you think? | What if there's a problem? |
|---|---|---|
| Total pages | Add the number of pages in each original file and compare it with the total number of pages after the merge | The number of pages is less. Go back to the upload list to see if there are any files missing. |
| Page order | Looking at the junctions, the last page of the previous document should be the first page of the next document. | Re-merge after adjusting the order in the tool |
| Complete content | Spot check the pages with tables, pictures and formulas to see if the display is normal. | Change the way when an exception is displayed, or go back to the computer and use the desktop client to deal with it. |
| Watermarks and fonts | Check whether there are more marks in the corner of the page, headers and footers, and whether the font has changed. | Change tools if you can't accept it, or re-merge the original files on the computer. |
| File size | Check the file size after download to make sure there is no abnormal increase. | When the file is too large, it can be split into two copies and sent separately. |
# which method is suitable for you?
- only mobile phones and files are common : merge websites online, follow the above steps, and check again after the merger. - files are sensitive or have a large number of pages : first transfer the files to the computer and merge them with the desktop client to reduce the time for files to stay on external websites. - sign, fill in the form, blacken or change paragraph text after merging : use the OmniDoc desktop client (download address download.omnidoc.top) to complete the merge and subsequent editing in the PDF editor. - translate after merging : upload the merged PDF to the omnidoc.top page, select bilingual control or translation only, and download the result. The results of machine translation should check important contents, especially numbers, dates and proper nouns.
# frequently asked questions (FAQ)
1. How to choose the free version of pdf merging mobile phone software?
Look at four things: file size limit, whether the output page is watermarked, privacy description (how long the file will be saved, whether it will be deleted), and whether typesetting will be retained after the merge. You can try it with an unimportant test document before you choose, and then decide whether to use it for formal material.
2. Can the pdf merged on the mobile phone be edited on the computer?
Sure. Download to the phone and transfer to the computer, open with the OmniDoc desktop client, you can modify the paragraph text, sign, fill in the form, blacken, insert, delete, rotate and rearrange the page.
3. The merged ones are scanned pieces. Can you search for text?
The page of the scanned piece is essentially a picture, and it is usually impossible to search or copy the text directly after merging. You can first try to select a paragraph of text on the mobile phone to confirm the situation, and when you need to search, use the OCR function of the desktop client to process it, and then sample to check the recognition results.
4. Will the result of the merger of mobile phone and computer be different?
The content of the page is usually the same, but different tools may treat font embedding and page size differently. No matter where the merge is, check it with the checklist above, and you can find a significant difference.
# Summary
When mobile phones merge pdf, it is easier for ordinary files to merge websites online, and it is safer to leave sensitive documents and multi-page documents on the computer. Either way, after the merger, you have to check the number of pages, page order and content, and then send out the document.
