PDF 格式的博客

我们写关于使用 PDF 文件的高效性带给你的文件格式文件 ，一个易于使用的丰富的 PDF 工具集由开源引擎提供支持。

How to Extract Content of Scanned PDF to Text File (.txt)

There’s actually a tool that can convert scanned PDF files into text and...

PDF Hacks

5 PDF Security Hacks

When documents need to be limited in access, it’s about time to convert...

8 Uses of OCR Tool that Help you Everyday

Plenty of tools and software are already available online to make life easier and one...

Ask How

Infographics: How Encryption Systems Developed

In line with our recent blog post about the history of encryption, we've made a...

Ask How

How to Encrypt – Knowing Data Protection

If you would like to know where it all began, encryption can be found as...

Ask How

How to Rotate PDF Pages

By definition, rotation is a movement in circles. It is synonymous with spinning, revolving, turning...

Ask How

How to Get Easier Access to your Favorite DeftPDF Tool

We know you have a tool that you often use here at DeftPDF so to...

PDF Hacks

How to Insert PDF to Word

When instances come where PDF documents need to be combined with a Word file, one...

Ask How

How to Edit PDF Files for Free

Trying to edit a PDF file for the first time would make you want to...

Ask How

How to Make PDF Files into a Slideshow

We all know PowerPoint is the go-to application when it comes to creating presentations and...

Ask How

How to Translate PDF Forms and Files to Another Language

Have you ever been to another country and needed to fill a form but it...

Ask How

How to Delete PDF Pages

Sometimes there are PDF documents that you don’t want to distribute because there...

Ask How

How to Make my PDF Image Background Transparent

PDF files are actually transparent by default and your processor or application is probably the...

Ask How

How to Add Page Numbers in your Existing PDF

Page numbers and bates numbers can easily be added with the right tools, which is...

Ask How

How to Remove Image from PDF

It’s easy to add an image in a Word file, a PowerPoint or...

Infographic: How the PDF Developed

Trivia: Did you know that when the PDF was first released, it was first called...

1
2
...
11
12
13
14
15
16
17
18
19

升级至高级会员

The task is limited to 文件 and maximum file size of 50 MBs.

Please upgrade to the Premium plan to be able to process up to files per task and up to 4GBs of file size.

查看会员计划

Upgrade Plan

The task is limited to 文件 and maximum file size of 50 MBs.

Please upgrade to the Premium plan to be able to process up to files per task and up to 4GBs of file size.

查看会员计划

Upgrade Your Plan

Your current plan is limited:
- upload max 文件
- maximum questions limit
- maximum number of pages
- maximum file size of 0 MBs.

Please upgrade to a higher plan to unlock more opportunities.

查看会员计划