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Questions tagged [pdf]

PDF is an open file format standard for document exchange created by Adobe Systems.

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How can I find the correct extension for a file without one?

I have a large number of files with no extension on my android device. I do not know how I got them, probably by downloading. If, from the file name and date, I can guess what extension they should ...
andrewH's user avatar
  • 161
0 votes
1 answer
22 views

Can anybody pinch-zoom a PDF document using external touchpad/trackpad on an Android TV box?

Android doesn't seem to support external touchpad (usb or wireless) pinch gesture for zooming in and out? I tried a few external wireless keyboards with touchpads built-in, while the touchpad works ...
itoldusoandso's user avatar
0 votes
0 answers
18 views

How to put a pop up drawing pad dialog in an e-book and editable using a PDF reader?

Many e-book readers I've tried to download have a feature i.e. taking notes in a pop-up dialog that you can fill out with text only and also edit the pdf so it can be drawable. I wonder if I could ...
user516076's user avatar
2 votes
2 answers
443 views

PDF always open in Drive from Files

When opening PDFs in "Files by Google" it always opens in Drive PDF Viewer. I want them to open in Adobe. I've looked online and got a lot similar issue, but none of the fixes work for me. ...
Vincent Carle's user avatar
0 votes
0 answers
40 views

Can the view orientation switched from portrait to landscape and vice versa in Adobe Acrobat Reader?

On my tablet, Adobe Acrobat Reader goes into portrait mode for a document with portrait proportions. I tried to find a way to switch it to landscape mode, but I'm still clueless. Can the view ...
viuser's user avatar
  • 101
0 votes
1 answer
345 views

Can't open PDFs (and other files) from WhatsApp

I'm using a Xiaomi MI 9 SE phone (Android v11, MIUI Global v12.5.1). For quite a long time now, I've had the problem of not being able to open PDF files attached to WhatsApp messages I receive. When I ...
einpoklum's user avatar
  • 543
17 votes
2 answers
12k views

Why are all android web browsers unable to display PDF documents?

I just switched from an iPhone to a Pixel. Whenever I try to open a PDF document, the browser automatically downloads it and ask me to open it elsewhere. I don't want that; I want an in-browser PDF ...
Hypatia du Bois-Marie's user avatar
0 votes
0 answers
364 views

How to view these no file extension files exist in the android>data>xyz app>files folder?

I have installed an app from play store, which contains pdf files. When I click on download button the app download them in such way that these files are only able to be opened in that app. (Like how ...
Alex Smith's user avatar
1 vote
0 answers
48 views

Open multiple instances of Drive PDF Viewer on Redmagic

Opening a new pdf file from redmagic's file explorer (or the google file explorer) replaces the old instance of the drive pdf viewer and the previous pdf file with the new pdf file, unlike Samsung ...
Mike Jack's user avatar
1 vote
1 answer
67 views

New "Open PDF" App

I have a POCO F3 Xiaomi phone not rooted. Recently when I try to open a PDF file from the WhatsApp, in the list of apps able to open it (Drive, Dropbox PDF viewer, Word, ... are the choices), there is ...
kouty's user avatar
  • 225
1 vote
1 answer
486 views

Unable to open downloaded PDF files directly from Opera browser

I'm using Xioami's MI 9 SE phone. I have several PDF viewer apps installed: Mi Doc Viewer, Pdf Viewer Plus, MuPDF viewer... However - whenever I try to open a PDF with one of these, or even with a ...
einpoklum's user avatar
  • 543
1 vote
0 answers
1k views

Converting long-scrolling screenshot to PDF on Android without white background

Suppose I have a long-scrolling screenshot that I took with a phone, and when I convert it using those apps, it looks like the screenshot is just put on the regular-size white background page as you ...
user516076's user avatar
0 votes
0 answers
346 views

Bug when opening pdf with reader on android

When I try to open any pdf file downloaded from my browser (Chrome or Firefox) it does not open successfully in any viewer. For example opening it with Adobe Acrobat Reader (4.5) I get the error: &...
Kvothe's user avatar
  • 183
1 vote
0 answers
185 views

Unable to download/share pdf files: Where to reset permissions for PDF files?

Very newbie here when it comes to Android. Using Xiaomi Phone, MIUI Global, 12.5.10 Android: 11 RKQ1.20 While downloading PDF files from whatsapp or Sharing PDF files, i'm getting below error. The ...
diaryfolio's user avatar
3 votes
0 answers
2k views

How do I disable the scrollbar in the original PDF viewer on Android?

I have an Android 10 Huawei P20. I have not installed any PDF reader apps. I want to disable the scrollbar on the side when I'm reading PDFs. It's way too easy to accidentally hit and end up hundreds ...
Ettina's user avatar
  • 31
1 vote
0 answers
116 views

Chrome doesn't always suggest PDF reader when trying to open PDF files from Downloads tab

I have downloaded a PDF file within Chrome: https://github.com/besp9510/dma_pwm/blob/master/doc/raspberry_pi_dma_pwm.pdf When I want to open it from the Downloads tab, it offers me ridiculous options ...
Daniel's user avatar
  • 281
1 vote
1 answer
714 views

Remove PDF "security settings"

On Android, is there a way or an application that can be used to remove the "security settings" on a PDF so it can be edited? The file in question does NOT have a password, so one it not ...
Melab's user avatar
  • 785
1 vote
0 answers
73 views

How do I keep a .pdf open/quickly accessible

When I open a .pdf, such as a longer article, I'd like to keep it open, in the sense that it's available in the recent apps list. How do I do that? The problem in more detail: say I open article.pdf ...
Timo's user avatar
  • 111
1 vote
0 answers
53 views

Enhancing PDF (handwritten text)

I scanned many handwritten sheets (written by using a pencil and scanned by using a PC software), and I'm wondering if there is a way to enhance the handwritten text quality: the text is grey and ...
Gennaro Arguzzi's user avatar
-2 votes
1 answer
109 views

Import pdf Files to Samsung Galaxy Tab S7 [duplicate]

How do I import pdf files from my computer to my Galaxy Tab S7 5G?
Paul's user avatar
  • 1
1 vote
0 answers
126 views

downloads not started

I have just got a new android 10 tablet and I'm having a really stupid user interface problem. When I click a link to a PDF document in the web browswer (Chrome) I click download and nothing happens. ...
Bruce Adams's user avatar
9 votes
3 answers
61k views

Open PDF files directly in Chrome for Android

I am writing from my Android. On my laptop, it's pretty simple to choose to open a PDF file directly in the browser rather than opening it in an external program. The problem comes when I try to open ...
user avatar
1 vote
0 answers
108 views

How can I change pdf page color on Android?

I downloaded a few ebooks in pdf and I want to change the white pages to a color easier on my eyes. Adobe Acrobat's accessibility options seem to be missing on Android and I don't like inverted/night ...
A-Z's user avatar
  • 11
1 vote
1 answer
65 views

Save file as PDF using Microsoft Word's app

I have a .docx file that would like to save as .pdf. If I click in the three dots in the upper right And clicking the Save As doesn't allow to change from .docx to .pdf The way I managed to do up ...
Tiago Peres's user avatar
4 votes
1 answer
5k views

Cannot view PDF files inside an iframe on Chrome for Android

I have this screenshot displaying a PDF in an iframe on Chrome for Android. My device is Samsung Galaxy S9+. When I click on the open button, nothing happens. I've also opened the same page in the ...
Brad K's user avatar
  • 51
0 votes
2 answers
2k views

How do I clear native PDF viewer as default?

I'm on Android Lollipop. Due to ghost touch, the native PDF viewer is selected default. I also checked Reset Default Apps in the Settings menu, but there's only e-mail and messaging.
Gudeez's user avatar
  • 1
0 votes
0 answers
586 views

Strange Saving Behaviour of Samsung's "Write on PDF"

I did some work yesterday using Write on PDF on my Samsung S6 Lite tablet. Come this morning, and it didn't save. Bit of a nightmare. Anyway, I redid the work, but decided this afternoon to test out ...
Sam OT's user avatar
  • 171
1 vote
1 answer
4k views

Cannot open PDF files received on WhatsApp directly

When I try opening a PDF file that I receive on WhatsApp directly by clicking on the WhatsApp message, I get the message, "You may not have a proper app for viewing this content". I already ...
TrueUser's user avatar
0 votes
1 answer
890 views

Cannot set default app for some files (PDF, TXT...) select "always" has not effect, Complete action using keeps popping up

Android 10 on Samsung s10e. Every-time I open a PDF or TXT file I am prompted to select which app I want to open the file with. It does not matter which app I select, the setting is never remembered, ...
cap10's user avatar
  • 11
0 votes
1 answer
48 views

Call settings will pop-up when I open a pdf

So dear clever IT friends here is the thing. I am helping a nice old grandma. She has a Huawei tablet, android in it. The silly device asked when she opened a pdf file "which program would you like to ...
Karolina Valko's user avatar
0 votes
2 answers
1k views

Equivalent of the Control + F to search text in PDF

Is there in Android an equivalent of the control + F search in texts and OCR PDF? In browser we have "find in page" options. But for PDF I didn't find such option. Is there shortcuts to make such ...
kouty's user avatar
  • 225
5 votes
2 answers
6k views

How to print files using the Android's Default Print Service?

I'm on Android Oreo which is version 8. This has introduced a way to no longer need any services outside of the Android OS and instead use its "Default Printing Service" for printing with an ...
fohrums's user avatar
  • 161
0 votes
1 answer
4k views

How to view pdf file with chrome on android

I downloaded a pdf file on Windows and transferred it to my android phone. I want to know if there is any way to view the file using chrome browser.
preciousbetine's user avatar
0 votes
0 answers
25 views

How to read a video embedded in a ᴘᴅꜰ? [duplicate]

A simple question on a ᴘᴄ. But on Android, even the official reader doesn’t allows it. This is for reading the video inside/with the ᴘᴅꜰ, not extracting it.
user2284570's user avatar
1 vote
0 answers
254 views

Android App for split screen pdf note taking (for tablets) [closed]

Does anybody know of an app which lets you have a split screen of pdf(left) and note taking blank page(right) setting, so that you can make notes for every individual page? When you revisit it would ...
user21398's user avatar
  • 111
1 vote
0 answers
168 views

PDF Print Preview Failure on Android 7

An Android phone with Android 7, trying to use the HP Print Service Plugin (Android 8 was the version that brought in the default print service that makes this obsolete). Certain PDF files (all from ...
Neil Barnwell's user avatar
0 votes
0 answers
111 views

Other apps can't see PDF printed by Chrome

I'm using a Samsung Galaxy J3 with Android 7. Here's what I did to print the PDF from Chrome: Open Google Chrome app and go to a website I want to save Go to : Menu, Share ..., Print. (It defaults ...
krubo's user avatar
  • 221
1 vote
0 answers
69 views

PDF/Image viewer with scaling to a calibrated size

I'm looking for a way to consistently display raster images or PDFs, so that the image on screen has a calibrated physical size. I.e. I create an image/PDF on a computer with a shape 10cm*10cm and ...
Crazor's user avatar
  • 111
0 votes
1 answer
813 views

Opening a pdf file duplicates it on android

Whenever I open a pdf file in adobe reader in Android and then close it, the pdf file duplicates itself in the same folder. This happens again and again as I open and close the file. I tried ...
user46625's user avatar
1 vote
1 answer
1k views

adobe acrobat pdf reader now wants unnecessary permissions: workarounds? alternatives?

I recently went to reinstall adobe acrobat pdf reader, I found it now requires permissions for identity and ability to create accounts - I'm sure they weren't there last time I installed it. I just ...
hyperpallium's user avatar
1 vote
1 answer
381 views

How to prevent pop up PDF file automatically after downloading it?

I use lenovo phone where I faced this problem but I got no solution to fix the problem. After download of any PDF file it pops up automatically and automatically it opens . This problem is really ...
user70421's user avatar
1 vote
0 answers
60 views

Pdf not properly shown in pdf reader

I am having problems with the following pdf. Everytime I try to open the file with a pdf-viewer (I used acrobat reader and document viewer) the application does not render the first page. The ...
Giorgio Mossa's user avatar
0 votes
1 answer
1k views

Disable Save As Pdf Option In Print Dialog

I would like to disable or remove the Save as PDF option on the following print screen, is it possible in anyway? A solution with MDM capabilities or programmatically is acceptable. What i tried so ...
mehmet6parmak's user avatar
2 votes
1 answer
5k views

Open PDFs Automatically from Browser in Google Drive or Google PDF Viewer

Is it possible to configure Android to automatically open PDF links in an application such as Google Drive or Google PDF viewer instead of clicking link, then selecting the PDF from Notification bar. ...
Malcolm McCaffery's user avatar
2 votes
1 answer
178 views

Images in PDF File are distorted

I have a PDF file, when I open it on my computer (Linux) the Images in the PDF file is displayed properly (Its sharp) But when I copy the same PDF from the computer to Android device and opened it ...
diyoda_'s user avatar
  • 123
3 votes
1 answer
486 views

How do I stop PDFs opening in RollerCoaster Tycoon?

I have an unusual problem with Chrome when I try to open PDFs. If I have already downloaded a PDF and try to download it again, I can open it by tapping its name; in the screenshot below, I could tap "...
Aaron Christiansen's user avatar
4 votes
0 answers
520 views

Pdf videos on mobile phone

I put a video in my pdf with Acrobat and there I can watch my video. But if I open the pdf on my mobile, I can't watch the video, I only see an image. Is there a way to watch videos of a pdf in a ...
Curio's user avatar
  • 41
1 vote
1 answer
1k views

How to make the page number in a PDF file match with the one inbuilt in the app?

I have a PDF file, which shows page numbers after a few pages, like preface, index etc. However, I use the Drive PDF viewer, which starts counting pages from the preface page itself. Is there anyway, ...
MrObjectOriented's user avatar
1 vote
2 answers
2k views

How can I get the apk file of an app?

A while ago, I asked a question which has been deleted by Community Some Android apps are in fact ebooks. For example, Learn Lisp Is it possible to convert android app ebook to pdf or some ...
Tim's user avatar
  • 495
0 votes
1 answer
41 views

Salvaging a PDF with highlights done in Android

I was halfway highlighting a book using Acrobat Reader on an Android tablet when I dropped the tablet. The screen still 'sort of' works but is not usable as such (constant blinking etc). The tablet is ...
error404's user avatar