Is there a way to adjust the size of the text when reading PDF files?

by xralf   Last Updated June 01, 2017 06:11 AM

When I use Aldiko to a book in epub format on a mobile device with a small screen, I can read it without problems. The text is adjustable to the size, the application has no issues.

The opposite is true when I'm reading pdf file. It's always a fight. The text is small and unadjustable and the application freezes.

Is there a way to adjust the size of the text in my PDF files so that they are more easily readable? I don't intend to read scanned pdfs (this would be even bigger fight). I would like to be able to adjust text size, do scaling and not have the application freeze. I'm open to trying other readers if Aldiko cannot handle this.

EDIT: The title was changed, but note that it's not only the change in the size of text. The text should be flexible to various sizes of devices. This is called floating text (or layout) in HTML terminology. A lot of PDF readers can change the text size without the text fitting the device screen.

Answers 5

Install RepliGo PDF Reader and switch to Text Reflow mode. It has one of the best Text Reflow mode till date which displays images too. But, to read codes, you'll have to fight again.

Another option: Use ezPDF Reader Lite (or Pro) and use its text column locking feature in landscape orientation (to kick out blank margins and use large device height as width of PDF). I find it useful on my 4.0-inch screen even for the codes because it doesn't change formatting to reflow text. But, if your screen size is much smaller than my one, it'd be useless to you.

Plus, both PDF readers feature voice reading. You can use that too.

June 21, 2012 11:37 AM

qPDF Viewer - a free ad-free Android PDF Reader - also has a great text reflow mode. Users can zoom in and out to increase or decrease the font size. Look for "Reflow Text" under the action toolbar "View" menu.

November 16, 2012 15:27 PM

The best option is Foxit Mobile PDF.

February 07, 2014 00:21 AM

You can use K2pdfopt to convert the pdf to your screen size. Or if you are using an Android device, try KOReader, which has the most advanced support for dynamic pdf reflow.

January 16, 2015 02:43 AM

You should try DUOKAN, it deals with text searchable pdf and even scanned image pdf without any problem. Have a try and tell me which one is the best among so many options.

I have no idea why it disappears from Play Store.

Charles Fu
Charles Fu
June 01, 2017 05:41 AM

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