PDF文件是通信一個非常強有力的方式(特別是半新。 為長的作為一項內藏的公共事業的文本文件)和不幸地無窗口版本有。 PDF文件需要特殊軟件開始或讀PDF文件，這軟件一般被命名當PDF讀者。 我徵五個最用途廣泛的PDF讀者與比較桌在末端顯示最佳的pdf讀者在它外面。 得到更多在我們測試的軟件 被比較的和被測試的系列

Adobe Acrobat Reader 8

Adobe Acrobat Reader大概是最普遍，最強有力的PDF讀者。 可以下載它 這裡. 這個免費軟件讓您觀看和打印Adobe便攜式文件格式(PDF)文件。

正面特點：

• Adobe Reader在PDF文件准許觀看，打印，搜尋，簽字，核實和合作，在網上以及離線。
• 它提供幾個顯示選擇在不同的徒升水平根據對苛求細節的本文需要。 一個整個銀幕的方式讓您查驗文件，不用分心。
• 您能也完成和在網上遞交PDF形式。

消極方面

除上述正面特點之外，有少量否定性附有它，

• 浩大的22.32兆位設定文件。
• 發射讀者的很多時間花費。
• 改變頁在長的PDFs經常不是非常光滑的。
• 當安裝的作為大約169兆位磁盤空間。

您在指定的下載鏈接能讀更多回顧以上。

Foxit讀者2.2

Foxit讀者是另一個自由的PDF文件觀察者。

主要特點Foxit 2.2

• 難以置信地小即。 設定是2.1兆位。
• 立即發射沒有任何延遲。
• 註釋工具Foxit讀者在PDF允許您畫圖表，聚焦文本，類型文本和做筆記提供然後打印或保存附註的文件。
• 文本交換器整體PDF文件可以被轉換成一個簡單的文本文件。

讀更多 關於Foxit讀者2.2，這是一個非常輕量級PDF讀者與幾個特點，但它有有些問題，當打開網上PDF時。 讀回顧 on Foxit Reader 2.2

PDFescape

PDFescape is an online PDF Reader / Editor / Form Filler / Form Creator.

Features of PDFescape

• This is a free service.
• Open PDF files from your local computer and the web.
• Fill out PDF files with Form Fields
• Add Text and Shapes to PDF files without form fields
• Add Links and New Form Fields to PDF files
• Save PDF files to your local computer
• Have PDF files emailed to you or any other email address
• Restriction is File should not be more than 25 pages.

You just need to create an account and start using PDFescape. Being an online PDF Reader, working with PDFescape is totally dependent upon the speed of your Internet connection.

PDFescape has its offline counterpart too, AKA PDFtypewriter , but you can only have its trial version here as it?s not a free software. The same company allows you to have another free software i.e Free PDF Text Reader 1.1, but as the name indicates, its just a PDF text Reader, nothing more than that.

PDFHammer.com

PDF Hammer is another online PDF reader, being in Beta You can only open PDF files having not more than 100 pages. You can upload the PDF file and start using the features, no account creation is required.

PDF Hammer currently has the following features:

• Reorder pages
• Delete pages
• Append PDF to another PDF

Features coming soon:

• Rotate pages
• Apply Watermarks and stamps to pages

Once you upload the file you can view the pages by taking your mouse cursor over the pages, the page upon which you take your mouse cursor enables the zoomed in view of that page in the right, I tried opening few PDF files but the zoom in was not sufficient enough to allow me to read the pages, I am not sure if this issue is going to get rectified soon, or it allows only bigger font PDF files to be read into it.

Cool PDF Reader

Last but not the least, Cool PDF Reader is also a very good option if you are looking for a PDF Reader.Most appealing feature of this software is its size, which is just 655Kb to download.

Other features of this Software are as follows

• View and Print PDF
• Convert PDF to BMP, JPG, GIF, PNG, WMF, EMF, EPS
• Extract PDF to TXT
• Support PDF files of all versions
• Work with 68+ different languages
• Zoom in and zoom out
• Rotate page displays
• Slide show PDF document with full screen

Yet I didn?t find this software very smooth, but the features above just on a 655Kb download, that is really appealing.

A Quick Comparison of all 5

Name of the Reader	Download Size	Time taken to Launch	Features/Issues
	22.3 Mb	High	Offline as well as online access to PDF files, Working with software is generally not very smooth
	2.1 Mb	Instant enough	Very smooth working, Takes less space and resources, Issues faced while trying to open online PDF files.
	No download required	Depends upon your Internet connection	Has nice tools to edit your PDF Files, limitation is- File should not be more than 25 pages approx.
	No Download required	Depends upon your Internet connection	Trying to read a file, may not be helpful, but very good for deleting and merging more than one PDF.
	655 Kb	Launches instantly, but loading a file may take time.	Working is not very smooth, but has a wide range of features.

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Tags: compared and tested, comparison table, negative aspects, pdf document viewer, special software