How to Move WordPress.com Blogs to Blogger Without Losing Data

Google data liberation front helps you in moving you blog from wordpress to blogger which is a free hosted blogging platform. Here we will discuss how to move your blog from wordpress to google hosted blogger.

1. Login to your WordPress account and navigate to the Dashboard for the blog that you’d like to transfer to Blogger.
2. Click on the Manage tab below the Blog name.
3. Click on the Export link below the Manage tab.
4. Download the WordPress WXR export file by clicking on Download Export File.
5. [advt]Save this file to your local machine.
6. Browse to that saved document with the form here and click Convert.
7. Save this file to your local machine. This file will be the contents of your posts/comments from WordPress in a Blogger export file.
8. Login to your Blogger or create a new user.
9. Once logged in, click on the Create a Blog link from the user dashboard, and then click on the Import Blog Tool
10. Follow the instructions and upload your Blogger export file when prompted.
11. After completing the import wizard, you should have a set of imported posts from WordPress that you can now publish to Blogger.

This hosted application will only allow downloads smaller than 1MB. [source]