converters

Sometimes, we want to run/view a file without installing a particular application. A file converter is necessary. To avoid a long list of file converters, I put them into groups: Multiple format, Image, Audio/video, Document, and Programming language.

Multiple format file converters refer to converters that can convert almost most types of files into any other type of files.

Cometdocs free online file converter currently offers over 50 online conversions (convert from/to PDF, Convert from XPS and more).
Convert.Files will convert any document, archive file, spreadsheet, audio and video file from one format to another.
DocsPal supports all kind of documents, video, audio, images, e-books and archives like microsoft word (doc, docx), powerpoint (ppt, pptx), excel (xls, xlsx), open office documents (odp, odt, ods), pdf, djvu, postscript; avi, mpeg, mkv, mp4, mov, flv, wmv, as well as video for iPhone, iPad, iPod, HTC, PSP, BlackBerry; mp3, wav, wma, aac, ac3, flac; chm, fb2, jpeg 2000 (jp2), png, photoshop documents (psd), tiff; 7z, jar, rar, zip and many others.
Fileminx converts document, image, music, video files into compatible form.
FreeFileConvert helps you convert your files from one format to another.
Go2Convert is free on-line converter for audio files mp3, wma, ogg, aac, flac, real audio, rm, ringtone amr, flac, and image files such as jpg, bmp, gif, tga, png etc.
Online converter converts media files online from one format into another. It provides audio, video, image, document, ebook, archive and hash converters.
Xconv free online file conversion helps you to convert WAV/WMA to MP3,WMA/MP3 to AAC,WMV/AVI to GIF,WORD to PDF.
Youconvertit helps you convert Convert any media file format ( Documents, Images, Audio, Video & Archives).
Zamzar is a free online file converter. You can convert almost anything (video, music, images, documents) to anything else. (it’s the advertise on the site annoying, however, it’s free.)

Document converters:

Convert PDF to Word.net help you to easily convert PDF document to Word file.
FontConverter.org helps you to convert even exotic font file formats into common used formats like ttf or otf.
Free Online Font Converter service works for all of the common font formats including TrueType (.ttf), OpenType (.oft) and PostScript (.ps).
Free Online OCR is a free service that allows you to easily convert scanned documents, faxes, screenshots and photos into editable and searchable text, such as DOC, TXT or PDF.
Neevia Document Converter makes it possible for anyone to instantly convert many of the file formats (doc, docx, xls, ppt..) that are used daily to PDF or Image.
Nitro PDF Sofware provides free tools: PDF to Word, Word to PDF and PDF to EXCEL Converters.
pdf2jpg.net provides a simple way to convert PDF to JPG quickly.
PDF Converter converts Word, Excel, PowerPoint, Images, Web Pages and other files to PDF.
PDF Online provides converting services: PDF to Word and Word to PDF.
Zoho Viewer allows you to convert your document to the desired format.

Image converters:

CMYK Converter is a free online converter which converts your images between CMYK and RGB color profiles online.
CoolUtils Online Image Converter allows you to convert images between JPEG, BMP, TIFF, GIF, ICO, and PNG format.
Free Online Images Converter by PictureResize. It is a set of free web based tools that allow you to convert, resize a picture (e.g., BMP, DIP, JPG, EPS, PCX, PDF, PNG, PSD, SVG, TGA, etc.) without having to install any software on your computer. For extended converting options, they recommend to use the Picture Resize Genius.

Audio/Video converters:

Cellsea converts video files to any of the popular video formats.
Flvto.com converter is good to transfer or download YouTube videos to popular format like MP3. (it’s the advertise on the site annoying, however, it’s free.)
Flvmp3.org is there for you when you need to convert your YouTube videos to mp3.
Media Converter free version converts files up to 100MB in size and are limited to 5 conversions per day.
Vixy Freecorder adds a powerful video downloader, MP3 audio recorder and video/MP3 converter to your browser.

Programming language converters:

Carlosag.net supports from VB.NET to C# and from C# to VB.NET converting.
Code Converter is a free and simple VB to C# and C# to VB code converter.
DeveloperFusion provide code converters such as C# to/from VB.NET, C# to/from Python, C# to/from Ruby.
SharpDevelop provides an online code conversion service.
Textfixer has free online word converter tool which take the contents of a doc or docx file and convert the word text into HTML code. It also provides other converting service to help web development, e.g. Convert CSV Text into a HTML Table.