This is a guest post by Tehseen Baweja.

PDFs  are one of the most useful document formats around, but not having proper tools can limit their usage. Not everybody wants to spend hundreds of dollars to buy official Adobe software, so we have made a list of free tools that will let you do everything with PDFs from splitting and merging to filling them online. All these tools are free and most of them require no downloads or installations:

1. PDF Maker

Want to create a simple Text PDF but don’t have time to download softwares or upload documents? Check out PDF Maker. It is a one-click PDF generator that creates PDFs from the text you type. A rich text-editor allows to type and format text just the way you want. Once you are done, click on download and a PDF would be saved to your local drive.

2. PDF2Word

PDF2Word lets you convert documents from PDF to MS Word without any hassle. No login or download required, just browse to the PDF file on your computer and click convert.

3. PDF-Crack

You have a locked PDF document but you forgot the password! PDF-Crack lets you unlock PDFs without doing anything. Just browse to the PDF you want to unlock and click submit. PDF-Crack would unlock any PDF of up-to 5 MB for you instantly.

4. PDFToExcelOnline

PDFToExcelOnline converts PDF documents into Excel. It is a really useful tool that will let you keep your tables and spreadsheets. The converted file is emailed to you right away!

5. PDFind

Google and Bing are all excellent but sometimes you just want to search for PDF documents. PDFind searches for your keyword within thousands of PDF documents and displays PDFs containing your keywords. Selecting a search result would also provide you information about the PDF such as number of pages, language etc.

6. PDFVue

PDFVue is an online replacement of Adobe Acrobat. It lets you view PDFs online without downloading any software. Just open up a PDF from your local drive or a URL and start editing it. You can save your updated PDF and/or share it online.

7. Html to PDF Converter

Convert any web page or HTML document to PDFs without downloading any software through HTML to PDF.

8. MergePDF

Merge up-to 10 PDF files together without downloading any software. No registration required. MergePDF supports files up-to 5 MB each.

9. CountOnIt

Want to count the words and characters in a PDF document? CountOnit can do it for you for any PDFs up to 1MB.

10. PDF Notes Generator

Create customized PDFs for taking notes. Choose between blank, ruled or graph layout and print single-sided or double-sided sheets. You can also print on different paper sizes and select how dark the lines should be.

11. Vuzit

Vuzit lets you share PDF documents with the world. Simply browse to a PDF on your computer and Vuzit will create a permanent link that you can use to view the PDF online without any download or plugins.

12. PDF Escape

PDFEscape allows you to edit and fill out PDFs online for free. All you need is a Javascript enabled browser and you are good to go. You can also use PDFEscape on your website to allow customers to fill PDF documents online and email to you.

13. PDFMeNot

PDFMeNot is a light-weight online PDF viewer that open PDFs from your computer or a URL. You can also get the Firefox add-on  for one-click PDF viewing.

14. PDFHammer

PDF Hammer is a free online PDF editor that allows you to secure your PDFs by setting a password. You can move and delete pages within a PDF and download the edited version. You can also use it to add metadata to your PDF.

15. Web2PDF

Add a PDF creation feature to your blog or website through Web2PDF. Just copy-paste the Javascript code on your website and a Save Page As PDF button would be embedded on your website.

16. RSS2PDF

RSS2PDF allows you to create PDF documents from any RSS feeds. Just provide the URL of any website, feed or OPML and submit.

17. SpeedyPDF

SpeedyPDF is a light-weight desktop application that allows you to print any windows documents to a PDF. It is installed as a virtual printer so all you need to do is choose SpeedyPDF as your printer when you are trying to print something. Download SpeedyPDF here.

18. PDF to MP3

This freeware lets you convert your PDF documents into an MP3 file that you can import into your iTunes and listen. It works by first converting the PDF into a text document and then converting the text into speech. You can download it here.

This is a guest post by Tehseen Baweja who writes for Ijaar.com, you can get regular updates from him through RSS feeds. If you want to get featured here as a guest writer, drop us a line through the Guest Post Writer form.