Free Online File Conversion Services

Alyssa Gregory

Even if your computer is well stocked with the latest and greatest software, chances are that at some point you will need to convert a file and not have what you need to make it happen. Online conversion tools are great – free ones are even better – so, here is a collection for you to keep handy for all of your file conversion needs.

Multi-Purpose Conversion

Convert Files: A service that converts documents, archives, spreadsheets, audio and video files up to 150MB for free, including the ability to send the files to a mobile device.

Convert Files

Free File Converter: Converts documents, images, audio, video and archive files up to a maximum size of 200MB per file for free.

Free File Converter

Zamzar: A free service that converts documents, images, audio, video, compressed and CAD formats. The free service allows up to 100MB files and as many as five concurrent conversions.


Document Conversion

Cometdocs: A free online document conversion service that provides on-the-fly OCR conversion and over 50 different conversion options.


OCR Terminal: An online service that converts scanned images into DOC, RTF or TXT files. The free service allows up to 20 converted pages per month.

Ocr Terminal

PDF to Word Converter: A free service that converts PDFs into editable DOC or RTF files.

PDF to Word

Bonus Document Conversion Resources: There are also a number of PDF creation tools for converting documents into PDF. Here are a few to keep on your list: ExpressPDF, PDF Converter, PDF Online and PrimoOnline.

Image Conversion

Document Converter eXPress: A free service that allows you to create image files and PDFs from a wide variety of file types. The maximum upload size is 100MB.

Document Converter eXPress

Free Online Images Converter: Converts over 100 image formats and allows you to resize the graphic as well.
Free Online Images Converter

Go2Convert: A free online image converter that supports over 100 major image formats and allows you to convert files up to 5MB in size. The service stores converted files on their server for up to two hours.


SwiftConverter: Converts a large variety of image files from one format to another for free.


What’s your favorite online file conversion tool?